From 28709baf9446e567577ede65e73969f51160a025 Mon Sep 17 00:00:00 2001
From: zhyass <34016424+zhyass@users.noreply.github.com>
Date: Fri, 3 Apr 2020 12:34:20 +0800
Subject: [PATCH] * : complete create index syntax support #592 [summary] 1.
 create index syntax. CREATE [UNIQUE | FULLTEXT | SPATIAL] INDEX index_name   
  ON tbl_name (key_part,...)     [index_option]     [algorithm_option |
 lock_option] ...

key_part:
    col_name [(length)]

index_option:
    KEY_BLOCK_SIZE [=] value
  | index_type
  | WITH PARSER NGRAM
  | COMMENT 'string'

index_type:
    USING {BTREE | HASH}

algorithm_option:
    ALGORITHM [=] {DEFAULT | INPLACE | COPY}

lock_option:
    LOCK [=] {DEFAULT | NONE | SHARED | EXCLUSIVE}

2. create table index definition syntax.
index_definition:
    PRIMARY KEY (key_part,...)
  | UNIQUE [index_or_key] index_name (key_part,...) [index_option]
  | index_or_key index_name (key_part,...) [index_option]
  | FULLTEXT index_or_key index_name (key_part,...) [index_option]
  | SPATIAL index_or_key index_name (key_part,...) [index_option]

index_or_key:
    INDEX
  | KEY

[test case]
src/planner/ddl_plan_test.go
src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ddl_test.go
src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/parse_test.go
[patch codecov]
src/planner/ddl_plan.go 93.8%
src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ast.go 86.4%
---
 docs/radon_sql_support.md                     |   23 +-
 intergration/radon-test/r/ddl.result          |   34 +
 intergration/radon-test/t/ddl.test            |   21 +
 src/planner/ddl_plan.go                       |    3 +-
 src/planner/ddl_plan_test.go                  |  116 +-
 src/proxy/ddl.go                              |   12 +-
 .../xelabs/go-mysqlstack/sqlparser/ast.go     |  205 +-
 .../go-mysqlstack/sqlparser/ddl_test.go       |   56 +-
 .../go-mysqlstack/sqlparser/parse_test.go     |   14 +-
 .../xelabs/go-mysqlstack/sqlparser/sql.go     | 4910 +++++++++--------
 .../xelabs/go-mysqlstack/sqlparser/sql.y      |  266 +-
 .../xelabs/go-mysqlstack/sqlparser/token.go   |   17 +-
 12 files changed, 3204 insertions(+), 2473 deletions(-)

diff --git a/docs/radon_sql_support.md b/docs/radon_sql_support.md
index bc68021b..78640358 100644
--- a/docs/radon_sql_support.md
+++ b/docs/radon_sql_support.md
@@ -463,7 +463,28 @@ RadonDB only supports the `CREATE/DROP INDEX` syntax in order to simplify the in
 
 `Syntax`
 ```
-CREATE INDEX index_name ON table_name (index_col_name,...)
+CREATE [UNIQUE | FULLTEXT | SPATIAL] INDEX index_name
+    ON tbl_name (key_part,...)
+    [index_option]
+    [algorithm_option | lock_option] ...
+	
+key_part:
+    col_name [(length)]
+
+index_option:
+    KEY_BLOCK_SIZE [=] value
+  | index_type
+  | WITH PARSER NGRAM
+  | COMMENT 'string'
+
+index_type:
+    USING {BTREE | HASH}
+
+algorithm_option:
+    ALGORITHM [=] {DEFAULT | INPLACE | COPY}
+
+lock_option:
+    LOCK [=] {DEFAULT | NONE | SHARED | EXCLUSIVE}
 ```
 
 `Instructions`
diff --git a/intergration/radon-test/r/ddl.result b/intergration/radon-test/r/ddl.result
index 021bf2e7..7cd3a280 100644
--- a/intergration/radon-test/r/ddl.result
+++ b/intergration/radon-test/r/ddl.result
@@ -25,4 +25,38 @@ t	CREATE TABLE `t` (\n  `a` int(11) NOT NULL,\n  `b` int(11) NOT NULL,\n  `c` ch
 drop table integrate_test.t;
 
 
+create table integrate_test.t(
+        a int,
+        b int,
+        c char(10),
+        unique key a_idx(a) using btree comment 'unique',
+        fulltext index c_idx(c) KEY_BLOCK_SIZE=10 WITH PARSER ngram
+        ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+show create table integrate_test.t;
+Table	Create Table
+t	CREATE TABLE `t` (\n  `a` int(11) DEFAULT NULL,\n  `b` int(11) DEFAULT NULL,\n  `c` char(10) DEFAULT NULL,\n  UNIQUE KEY `a_idx` (`a`) USING BTREE COMMENT 'unique',\n  FULLTEXT KEY `c_idx` (`c`) KEY_BLOCK_SIZE=10 /*!50100 WITH PARSER `ngram` */ \n) ENGINE=InnoDB DEFAULT CHARSET=utf8\n/*!50100 PARTITION BY HASH(a) */
+
+drop table integrate_test.t;
+
+
+create table integrate_test.t(
+        a int,
+        b int,
+        c char(10)
+        )  PARTITION BY HASH(a) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+create unique index a_idx on integrate_test.t(a);
+
+create index b_idx on integrate_test.t(b) using btree KEY_BLOCK_SIZE=10 LOCK=DEFAULT ALGORITHM=COPY;
+
+create FULLTEXT index c_idx on integrate_test.t(c) WITH PARSER ngram comment 'fulltext' ALGORITHM=DEFAULT LOCK=SHARED;
+
+show create table integrate_test.t;
+Table	Create Table
+t	CREATE TABLE `t` (\n  `a` int(11) DEFAULT NULL,\n  `b` int(11) DEFAULT NULL,\n  `c` char(10) DEFAULT NULL,\n  UNIQUE KEY `a_idx` (`a`),\n  KEY `b_idx` (`b`) USING BTREE KEY_BLOCK_SIZE=10,\n  FULLTEXT KEY `c_idx` (`c`) COMMENT 'fulltext' /*!50100 WITH PARSER `ngram` */ \n) ENGINE=InnoDB DEFAULT CHARSET=utf8\n/*!50100 PARTITION BY HASH(a) */
+
+drop table integrate_test.t;
+
+
 drop database integrate_test;
diff --git a/intergration/radon-test/t/ddl.test b/intergration/radon-test/t/ddl.test
index 6c812155..d9e58e51 100644
--- a/intergration/radon-test/t/ddl.test
+++ b/intergration/radon-test/t/ddl.test
@@ -14,4 +14,25 @@ create table integrate_test.t(
 show create table integrate_test.t;
 drop table integrate_test.t;
 
+create table integrate_test.t(
+        a int,
+        b int,
+        c char(10),
+        unique key a_idx(a) using btree comment 'unique',
+        fulltext index c_idx(c) KEY_BLOCK_SIZE=10 WITH PARSER ngram
+        ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+show create table integrate_test.t;
+drop table integrate_test.t;
+
+create table integrate_test.t(
+        a int,
+        b int,
+        c char(10)
+        )  PARTITION BY HASH(a) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+create unique index a_idx on integrate_test.t(a);
+create index b_idx on integrate_test.t(b) using btree KEY_BLOCK_SIZE=10 LOCK=DEFAULT ALGORITHM=COPY;
+create FULLTEXT index c_idx on integrate_test.t(c) WITH PARSER ngram comment 'fulltext' ALGORITHM=DEFAULT LOCK=SHARED;
+show create table integrate_test.t;
+drop table integrate_test.t;
+
 drop database integrate_test;
diff --git a/src/planner/ddl_plan.go b/src/planner/ddl_plan.go
index 85e1d6d0..3bbfed96 100644
--- a/src/planner/ddl_plan.go
+++ b/src/planner/ddl_plan.go
@@ -101,8 +101,7 @@ func (p *DDLPlan) checkUnsupportedOperations(database, table string) error {
 			}
 			// constraint check in index definition
 			for _, index := range node.TableSpec.Indexes {
-				info := index.Info
-				if info.Unique || info.Primary {
+				if index.Unique || index.Primary {
 					err := fmt.Sprintf("The unique/primary constraint should be only defined on the sharding key column[%s]", shardKey)
 					return errors.New(err)
 				}
diff --git a/src/planner/ddl_plan_test.go b/src/planner/ddl_plan_test.go
index 209fdee0..ea76be89 100644
--- a/src/planner/ddl_plan_test.go
+++ b/src/planner/ddl_plan_test.go
@@ -24,7 +24,7 @@ func TestDDLPlan1(t *testing.T) {
 		"{\n\t\"RawQuery\": \"create table G(a int)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.G (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend1\",\n\t\t\t\"Range\": \"\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.G (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"\"\n\t\t}\n\t]\n}",
 		"{\n\t\"RawQuery\": \"create table S(a int)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.S (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend1\",\n\t\t\t\"Range\": \"\"\n\t\t}\n\t]\n}",
 		"{\n\t\"RawQuery\": \"alter table A engine = tokudb\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A0 engine = tokudb\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A2 engine = tokudb\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A4 engine = tokudb\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A8 engine = tokudb\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
-		"{\n\t\"RawQuery\": \"create index idx_a on A(a)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create index idx_a on sbtest.A0\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create index idx_a on sbtest.A2\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create index idx_a on sbtest.A4\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create index idx_a on sbtest.A8\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
+		"{\n\t\"RawQuery\": \"create index idx_a on A(a)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create index idx_a on sbtest.A0(`a`)\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create index idx_a on sbtest.A2(`a`)\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create index idx_a on sbtest.A4(`a`)\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create index idx_a on sbtest.A8(`a`)\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
 		"{\n\t\"RawQuery\": \"drop index idx_a on sbtest.A\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"drop index idx_a on sbtest.A0\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"drop index idx_a on sbtest.A2\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"drop index idx_a on sbtest.A4\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"drop index idx_a on sbtest.A8\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
 		"{\n\t\"RawQuery\": \"alter table A add column(b int)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A0 add column (\\n\\t`b` int\\n)\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A2 add column (\\n\\t`b` int\\n)\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A4 add column (\\n\\t`b` int\\n)\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A8 add column (\\n\\t`b` int\\n)\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
 		"{\n\t\"RawQuery\": \"alter table sbtest.A add column(b int)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A0 add column (\\n\\t`b` int\\n)\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A2 add column (\\n\\t`b` int\\n)\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A4 add column (\\n\\t`b` int\\n)\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"alter table sbtest.A8 add column (\\n\\t`b` int\\n)\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
@@ -202,13 +202,117 @@ func TestDDLAlterError(t *testing.T) {
 	}
 }
 
-func TestDDLPlanCreateIndexWithTableNameIssue10(t *testing.T) {
+func TestDDLPlanCreateIndex(t *testing.T) {
 	results := []string{
-		"{\n\t\"RawQuery\": \"create index idx_A_id on A(a)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create index idx_A_id on sbtest.A0\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create index idx_A_id on sbtest.A2\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create index idx_A_id on sbtest.A4\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create index idx_A_id on sbtest.A8\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
+		`{
+	"RawQuery": "create index idx_A_id on A(a)",
+	"Partitions": [
+		{
+			"Query": "create index idx_A_id on sbtest.A0(` + "`a`" + `)",
+			"Backend": "backend0",
+			"Range": "[0-2)"
+		},
+		{
+			"Query": "create index idx_A_id on sbtest.A2(` + "`a`" + `)",
+			"Backend": "backend2",
+			"Range": "[2-4)"
+		},
+		{
+			"Query": "create index idx_A_id on sbtest.A4(` + "`a`" + `)",
+			"Backend": "backend4",
+			"Range": "[4-8)"
+		},
+		{
+			"Query": "create index idx_A_id on sbtest.A8(` + "`a`" + `)",
+			"Backend": "backend8",
+			"Range": "[8-4096)"
+		}
+	]
+}`,
+		`{
+	"RawQuery": "create fulltext index idx on A(a) with parser ngram lock=none algorithm=copy",
+	"Partitions": [
+		{
+			"Query": "create fulltext index idx on sbtest.A0(` + "`a`" + `) WITH PARSER ngram algorithm = copy lock = none",
+			"Backend": "backend0",
+			"Range": "[0-2)"
+		},
+		{
+			"Query": "create fulltext index idx on sbtest.A2(` + "`a`" + `) WITH PARSER ngram algorithm = copy lock = none",
+			"Backend": "backend2",
+			"Range": "[2-4)"
+		},
+		{
+			"Query": "create fulltext index idx on sbtest.A4(` + "`a`" + `) WITH PARSER ngram algorithm = copy lock = none",
+			"Backend": "backend4",
+			"Range": "[4-8)"
+		},
+		{
+			"Query": "create fulltext index idx on sbtest.A8(` + "`a`" + `) WITH PARSER ngram algorithm = copy lock = none",
+			"Backend": "backend8",
+			"Range": "[8-4096)"
+		}
+	]
+}`,
+		`{
+	"RawQuery": "create index idx on A(a) using hash comment 'c' lock=shared",
+	"Partitions": [
+		{
+			"Query": "create index idx on sbtest.A0(` + "`a`" + `) using hash comment 'c' lock = shared",
+			"Backend": "backend0",
+			"Range": "[0-2)"
+		},
+		{
+			"Query": "create index idx on sbtest.A2(` + "`a`" + `) using hash comment 'c' lock = shared",
+			"Backend": "backend2",
+			"Range": "[2-4)"
+		},
+		{
+			"Query": "create index idx on sbtest.A4(` + "`a`" + `) using hash comment 'c' lock = shared",
+			"Backend": "backend4",
+			"Range": "[4-8)"
+		},
+		{
+			"Query": "create index idx on sbtest.A8(` + "`a`" + `) using hash comment 'c' lock = shared",
+			"Backend": "backend8",
+			"Range": "[8-4096)"
+		}
+	]
+}`,
+		`{
+	"RawQuery": "create spatial index idx on A(gis) key_block_size=10 algorithm=default",
+	"Partitions": [
+		{
+			"Query": "create spatial index idx on sbtest.A0(` + "`gis`" + `) key_block_size = 10 algorithm = default",
+			"Backend": "backend0",
+			"Range": "[0-2)"
+		},
+		{
+			"Query": "create spatial index idx on sbtest.A2(` + "`gis`" + `) key_block_size = 10 algorithm = default",
+			"Backend": "backend2",
+			"Range": "[2-4)"
+		},
+		{
+			"Query": "create spatial index idx on sbtest.A4(` + "`gis`" + `) key_block_size = 10 algorithm = default",
+			"Backend": "backend4",
+			"Range": "[4-8)"
+		},
+		{
+			"Query": "create spatial index idx on sbtest.A8(` + "`gis`" + `) key_block_size = 10 algorithm = default",
+			"Backend": "backend8",
+			"Range": "[8-4096)"
+		}
+	]
+}`,
 	}
 
 	querys := []string{
+		// issue 10.
 		"create index idx_A_id on A(a)",
+		// issue 592.
+		"create fulltext index idx on A(a) with parser ngram lock=none algorithm=copy",
+		"create index idx on A(a) using hash comment 'c' lock=shared",
+		"create spatial index idx on A(gis) key_block_size=10 algorithm=default",
 	}
 
 	log := xlog.NewStdLog(xlog.Level(xlog.PANIC))
@@ -252,6 +356,8 @@ func TestDDLPlanWithQuote(t *testing.T) {
 		"{\n\t\"RawQuery\": \"create table sbtest.A (\\n\\t`a` int\\n)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A0 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A2 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A4 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A8 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
 		"{\n\t\"RawQuery\": \"create table sbtest.A (\\n\\t`a` int\\n)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A0 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A2 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A4 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A8 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
 		"{\n\t\"RawQuery\": \"create table sbtest.A (\\n\\t`a` int\\n)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A0 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend0\",\n\t\t\t\"Range\": \"[0-2)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A2 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[2-4)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A4 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend4\",\n\t\t\t\"Range\": \"[4-8)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.A8 (\\n\\t`a` int\\n)\",\n\t\t\t\"Backend\": \"backend8\",\n\t\t\t\"Range\": \"[8-4096)\"\n\t\t}\n\t]\n}",
+		"{\n\t\"RawQuery\": \"create table B (\\n\\t`a` int,\\n\\t`b` varchar(10),\\n\\tunique key `a_idx` (`a`) using btree comment 'key'\\n)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.B0 (\\n\\t`a` int,\\n\\t`b` varchar(10),\\n\\tunique key `a_idx` (`a`) using btree comment 'key'\\n)\",\n\t\t\t\"Backend\": \"backend1\",\n\t\t\t\"Range\": \"[0-512)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.B1 (\\n\\t`a` int,\\n\\t`b` varchar(10),\\n\\tunique key `a_idx` (`a`) using btree comment 'key'\\n)\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[512-4096)\"\n\t\t}\n\t]\n}",
+		"{\n\t\"RawQuery\": \"create table B (\\n\\t`b` varchar(10),\\n\\tfulltext index `b_idx` (`b`) key_block_size = 10 WITH PARSER ngram\\n)\",\n\t\"Partitions\": [\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.B0 (\\n\\t`b` varchar(10),\\n\\tfulltext index `b_idx` (`b`) key_block_size = 10 WITH PARSER ngram\\n)\",\n\t\t\t\"Backend\": \"backend1\",\n\t\t\t\"Range\": \"[0-512)\"\n\t\t},\n\t\t{\n\t\t\t\"Query\": \"create table sbtest.B1 (\\n\\t`b` varchar(10),\\n\\tfulltext index `b_idx` (`b`) key_block_size = 10 WITH PARSER ngram\\n)\",\n\t\t\t\"Backend\": \"backend2\",\n\t\t\t\"Range\": \"[512-4096)\"\n\t\t}\n\t]\n}",
 	}
 
 	querys := []string{
@@ -262,6 +368,8 @@ func TestDDLPlanWithQuote(t *testing.T) {
 		"create table sbtest.`A`(a int)",
 		"create table `sbtest`.A(a int)",
 		"create table `sbtest`.`A`(a int)",
+		"create table B(a int, b varchar(10), unique key a_idx(a) using btree comment 'key')",
+		"create table B(b varchar(10), fulltext index b_idx(b) with parser ngram key_block_size=10)",
 	}
 
 	log := xlog.NewStdLog(xlog.Level(xlog.PANIC))
@@ -270,7 +378,7 @@ func TestDDLPlanWithQuote(t *testing.T) {
 	route, cleanup := router.MockNewRouter(log)
 	defer cleanup()
 
-	err := route.AddForTest(database, router.MockTableAConfig())
+	err := route.AddForTest(database, router.MockTableAConfig(), router.MockTableBConfig())
 	assert.Nil(t, err)
 	for i, query := range querys {
 		log.Debug("%v", query)
diff --git a/src/proxy/ddl.go b/src/proxy/ddl.go
index ecaec0d3..53827741 100644
--- a/src/proxy/ddl.go
+++ b/src/proxy/ddl.go
@@ -78,9 +78,8 @@ func tryGetShardKey(ddl *sqlparser.DDL) (string, error) {
 		// constraint check in index definition
 		for _, index := range ddl.TableSpec.Indexes {
 			constraintCheckOK = false
-			info := index.Info
-			if info.Unique || info.Primary {
-				for _, colIdx := range index.Columns {
+			if index.Unique || index.Primary {
+				for _, colIdx := range index.Opts.Columns {
 					colName := colIdx.Column.String()
 					if colName == shardKey {
 						constraintCheckOK = true
@@ -103,10 +102,9 @@ func tryGetShardKey(ddl *sqlparser.DDL) (string, error) {
 		}
 		// constraint check in index definition.
 		for _, index := range ddl.TableSpec.Indexes {
-			info := index.Info
-			if info.Unique || info.Primary {
-				if len(index.Columns) == 1 {
-					return index.Columns[0].Column.String(), nil
+			if index.Unique || index.Primary {
+				if len(index.Opts.Columns) == 1 {
+					return index.Opts.Columns[0].Column.String(), nil
 				}
 			}
 		}
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ast.go b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ast.go
index c8fcf0a7..2a1c87e6 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ast.go
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ast.go
@@ -571,6 +571,10 @@ type DDL struct {
 	DatabaseOptions DatabaseOptionListOpt
 	TableSpec       *TableSpec
 
+	// [UNIQUE | FULLTEXT | SPATIAL] index.
+	IndexType string
+	IndexOpts *IndexOptions
+
 	// Tables is set if Action is DropStr.
 	Tables TableNames
 
@@ -607,6 +611,14 @@ const (
 	PartitionTableList      = "partitiontablelist"
 )
 
+// Index key type strings.
+const (
+	IndexStr    = "index "
+	FullTextStr = "fulltext index "
+	SpatialStr  = "spatial index "
+	UniqueStr   = "unique index "
+)
+
 // Format formats the node.
 func (node *DDL) Format(buf *TrackedBuffer) {
 	switch node.Action {
@@ -634,7 +646,7 @@ func (node *DDL) Format(buf *TrackedBuffer) {
 			buf.Myprintf("%s%s %v %v", node.Action, ifnotexists, node.NewName, node.TableSpec)
 		}
 	case CreateIndexStr:
-		buf.Myprintf("%s %s on %v", node.Action, node.IndexName, node.NewName)
+		buf.Myprintf("create %s%s on %v%v", node.IndexType, node.IndexName, node.NewName, node.IndexOpts)
 	case DropTableStr:
 		exists := ""
 		if node.IfExists {
@@ -799,6 +811,139 @@ func (opts TableOptions) WalkSubtree(visit Visit) error {
 	return nil
 }
 
+// IndexOptionType is the type for IndexOption.
+type IndexOptionType int
+
+const (
+	// IndexOptionNone enum.
+	IndexOptionNone IndexOptionType = iota
+	// IndexOptionComment is 'comment' enum.
+	IndexOptionComment
+	// IndexOptionUsing is 'using' enum.
+	IndexOptionUsing
+	// IndexOptionBlockSize is 'key_block_size' enum.
+	IndexOptionBlockSize
+	// IndexOptionParser is 'with parser' enum.
+	IndexOptionParser
+	// IndexOptionAlgorithm is 'algorithm' enum.
+	IndexOptionAlgorithm
+	// IndexOptionLock is 'lock' enum.
+	IndexOptionLock
+)
+
+// IndexOption represents the index options.
+// See https://dev.mysql.com/doc/refman/5.7/en/create-index.html.
+type IndexOption struct {
+	Type IndexOptionType
+	Val  *SQLVal
+}
+
+// IndexOptionList ...
+type IndexOptionList []*IndexOption
+
+// IndexOptions is used by IndexOpts.
+type IndexOptions struct {
+	Columns   []*IndexColumn
+	Using     string
+	Comment   string
+	BlockSize *SQLVal
+	Parser    string
+	Algorithm string
+	Lock      string
+}
+
+// NewIndexOptions use to create IndexOptions.
+func NewIndexOptions(columns []*IndexColumn, idxOptList IndexOptionList) *IndexOptions {
+	idxOpts := &IndexOptions{
+		Columns: columns,
+	}
+	for _, idxOpt := range idxOptList {
+		switch idxOpt.Type {
+		case IndexOptionComment:
+			idxOpts.Comment = String(idxOpt.Val)
+		case IndexOptionUsing:
+			idxOpts.Using = String(idxOpt.Val)
+		case IndexOptionBlockSize:
+			idxOpts.BlockSize = idxOpt.Val
+		case IndexOptionParser:
+			idxOpts.Parser = String(idxOpt.Val)
+		case IndexOptionAlgorithm:
+			idxOpts.Algorithm = String(idxOpt.Val)
+		case IndexOptionLock:
+			idxOpts.Lock = String(idxOpt.Val)
+		}
+	}
+	return idxOpts
+}
+
+// Format formats the node.
+func (opts *IndexOptions) Format(buf *TrackedBuffer) {
+	buf.Myprintf("(")
+	for i, col := range opts.Columns {
+		if i != 0 {
+			buf.Myprintf(", `%s`", col.Column.String())
+		} else {
+			buf.Myprintf("`%s`", col.Column.String())
+		}
+		if col.Length != nil {
+			buf.Myprintf("(%v)", col.Length)
+		}
+	}
+	buf.Myprintf(")")
+	if opts.Using != "" {
+		buf.Myprintf(" using %s", opts.Using)
+	}
+	if opts.Comment != "" {
+		buf.Myprintf(" comment %s", opts.Comment)
+	}
+	if opts.BlockSize != nil {
+		buf.Myprintf(" key_block_size = %v", opts.BlockSize)
+	}
+	if opts.Parser != "" {
+		buf.Myprintf(" WITH PARSER %s", opts.Parser)
+	}
+	if opts.Algorithm != "" {
+		buf.Myprintf(" algorithm = %s", opts.Algorithm)
+	}
+	if opts.Lock != "" {
+		buf.Myprintf(" lock = %s", opts.Lock)
+	}
+}
+
+// WalkSubtree walks the nodes of the subtree.
+func (opts *IndexOptions) WalkSubtree(visit Visit) error {
+	if opts == nil {
+		return nil
+	}
+
+	for _, n := range opts.Columns {
+		if err := Walk(visit, n.Column); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// CheckIndexLock use to check if the string value matches a supported value.
+// Supported values: default, exclusive, none, shared.
+func CheckIndexLock(lock string) bool {
+	switch strings.ToLower(lock) {
+	case "default", "exclusive", "none", "shared":
+		return true
+	}
+	return false
+}
+
+// CheckIndexAlgorithm use to check if the string value matches a supported value.
+// Supported values: inplace, copy, default.
+func CheckIndexAlgorithm(algorithm string) bool {
+	switch strings.ToLower(algorithm) {
+	case "copy", "default", "inplace":
+		return true
+	}
+	return false
+}
+
 // TableSpec describes the structure of a table from a CREATE TABLE statement
 type TableSpec struct {
 	Columns []*ColumnDefinition
@@ -1038,27 +1183,21 @@ func (ct *ColumnType) WalkSubtree(visit Visit) error {
 
 // IndexDefinition describes an index in a CREATE TABLE statement
 type IndexDefinition struct {
-	Info    *IndexInfo
-	Columns []*IndexColumn
+	Type    string
+	Name    ColIdent
+	Opts    *IndexOptions
+	Primary bool
+	Unique  bool
 }
 
 // Format formats the node.
 func (idx *IndexDefinition) Format(buf *TrackedBuffer) {
-	buf.Myprintf("%v (", idx.Info)
-	for i, col := range idx.Columns {
-		if i != 0 {
-			buf.Myprintf(", `%s`", col.Column.String())
-		} else {
-			buf.Myprintf("`%s`", col.Column.String())
-		}
-		if col.Length != nil {
-			buf.Myprintf("(%v)", col.Length)
-		}
-	}
-	buf.Myprintf(")")
-	if idx.Info.Fulltext {
-		buf.Myprintf(" WITH PARSER ngram")
+	if idx.Primary {
+		buf.Myprintf("%s", idx.Type)
+	} else {
+		buf.Myprintf("%s `%v`", idx.Type, idx.Name)
 	}
+	buf.Myprintf(" %v", idx.Opts)
 }
 
 // WalkSubtree walks the nodes of the subtree.
@@ -1066,37 +1205,7 @@ func (idx *IndexDefinition) WalkSubtree(visit Visit) error {
 	if idx == nil {
 		return nil
 	}
-
-	for _, n := range idx.Columns {
-		if err := Walk(visit, n.Column); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-// IndexInfo describes the name and type of an index in a CREATE TABLE statement
-type IndexInfo struct {
-	Type     string
-	Name     ColIdent
-	Primary  bool
-	Unique   bool
-	Fulltext bool
-}
-
-// Format formats the node.
-func (ii *IndexInfo) Format(buf *TrackedBuffer) {
-	if ii.Primary {
-		buf.Myprintf("%s", ii.Type)
-	} else {
-		buf.Myprintf("%s `%v`", ii.Type, ii.Name)
-	}
-}
-
-// WalkSubtree walks the nodes of the subtree.
-func (ii *IndexInfo) WalkSubtree(visit Visit) error {
-	return Walk(visit, ii.Name)
+	return Walk(visit, idx.Opts)
 }
 
 // IndexColumn describes a column in an index definition with optional length
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ddl_test.go b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ddl_test.go
index 936dcd0b..04d30676 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ddl_test.go
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/ddl_test.go
@@ -483,17 +483,23 @@ func TestDDL1(t *testing.T) {
 				")",
 		},
 
-		// Fulltext.
+		// TODO: SPATIAL INDEX only support Spatial Data Types, now radon donot support.
 		{
 			input: "create table t (\n" +
-				"	id INT PRIMARY KEY,\n" +
+				"	id INT,\n" +
 				"	title VARCHAR(200),\n" +
-				"   FULLTEXT KEY ngram_idx(title,body) /*!50100 WITH PARSER `ngram` */ \n" +
+				"	gis int,\n" +
+				"	UNIQUE KEY id_idx(id) using btree comment 'a',\n" +
+				"	FULLTEXT INDEX ngram_idx(title) WITH PARSER ngram,\n" +
+				"	SPATIAL INDEX gis_idx(gis) key_block_size=10\n" +
 				")",
 			output: "create table t (\n" +
-				"	`id` int primary key,\n" +
+				"	`id` int,\n" +
 				"	`title` varchar(200),\n" +
-				"	fulltext key `ngram_idx` (`title`, `body`) WITH PARSER ngram\n" +
+				"	`gis` int,\n" +
+				"	unique key `id_idx` (`id`) using btree comment 'a',\n" +
+				"	fulltext index `ngram_idx` (`title`) WITH PARSER ngram,\n" +
+				"	spatial index `gis_idx` (`gis`) key_block_size = 10\n" +
 				")",
 		},
 
@@ -681,28 +687,24 @@ func TestDDL1(t *testing.T) {
 
 		// Index.
 		{
-			input:  "create index idx on test(a,b)",
-			output: "create index idx on test",
+			input:  "create index idx on test(a,b) using hash comment 'c' lock=EXCLUSIVE",
+			output: "create index idx on test(`a`, `b`) using hash comment 'c' lock = EXCLUSIVE",
 		},
 		{
 			input:  "drop index idx on test",
 			output: "drop index idx on test",
 		},
 		{
-			input:  "create unique index a on b",
-			output: "create index a on b",
-		},
-		{
-			input:  "create unique index a on b(foo)",
-			output: "create index a on b",
+			input:  "create unique index a on b(foo) using btree key_block_size=10 algorithm=copy",
+			output: "create unique index a on b(`foo`) using btree key_block_size = 10 algorithm = copy",
 		},
 		{
-			input:  "create fulltext index a on b(foo)",
-			output: "create index a on b",
+			input:  "create fulltext index a on b(foo) with parser ngram comment 'c' lock=none algorithm=inplace",
+			output: "create fulltext index a on b(`foo`) comment 'c' WITH PARSER ngram algorithm = inplace lock = none",
 		},
 		{
-			input:  "create spatial index a on b(foo)",
-			output: "create index a on b",
+			input:  "create spatial index a on b(foo) comment 'c' key_block_size=10 algorithm=default lock=shared",
+			output: "create spatial index a on b(`foo`) comment 'c' key_block_size = 10 algorithm = default lock = shared",
 		},
 
 		// Add column.
@@ -958,6 +960,26 @@ func TestDDL1ParseError(t *testing.T) {
 				") single engine=tokudb comment 'str' charset \"utf8\" partition by hash(id)",
 			output: "SINGLE or GLOBAL should not be used simultaneously with PARTITION at position 140",
 		},
+		{ // create index without index columns.
+			input:  "create unique index a on b",
+			output: "syntax error at position 28",
+		},
+		{ // create index lock type error.
+			input:  "create index idx on t(a,b) lock=d",
+			output: "unknown lock type at position 34 near 'd'",
+		},
+		{ // create index algorithm type error.
+			input:  "create index idx on t(a,b) algorithm=d",
+			output: "unknown algorithm type at position 39 near 'd'",
+		},
+		{ // create index in the wrong order.
+			input:  "create index idx on t(a,b) algorithm=default using btree",
+			output: "syntax error at position 51 near 'using'",
+		},
+		{ // create index use wrong options.
+			input:  "create unique index idx on t(a,b) with parser ngram",
+			output: "syntax error at position 39 near 'with'",
+		},
 	}
 
 	for _, ddl := range invalidSQL {
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/parse_test.go b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/parse_test.go
index c3897319..621b61d0 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/parse_test.go
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/parse_test.go
@@ -16,8 +16,10 @@ limitations under the License.
 
 package sqlparser
 
-import "strings"
-import "testing"
+import (
+	"strings"
+	"testing"
+)
 
 func TestValid(t *testing.T) {
 	validSQL := []struct {
@@ -655,8 +657,8 @@ func TestValid(t *testing.T) {
 		input:  "create table if not exists a (\n\t`a` int\n)",
 		output: "create table if not exists a (\n\t`a` int\n)",
 	}, {
-		input:  "create index a on b",
-		output: "create index a on b",
+		input:  "create index a on b(c)",
+		output: "create index a on b(`c`)",
 	}, {
 		input:  "drop table a",
 		output: "drop table a",
@@ -797,8 +799,8 @@ func TestCaseSensitivity(t *testing.T) {
 	}{{
 		input: "create table A (\n\t`B` int\n)",
 	}, {
-		input:  "create index b on A",
-		output: "create index b on A",
+		input:  "create index b on A(B)",
+		output: "create index b on A(`B`)",
 	}, {
 		input:  "alter table A foo",
 		output: "alter table A",
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.go b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.go
index 5bed9b6c..558a8f1e 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.go
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.go
@@ -89,9 +89,10 @@ type yySymType struct {
 	LengthScaleOption     LengthScaleOption
 	columnDefinition      *ColumnDefinition
 	indexDefinition       *IndexDefinition
-	indexInfo             *IndexInfo
 	indexColumn           *IndexColumn
 	indexColumns          []*IndexColumn
+	indexOptionList       IndexOptionList
+	indexOption           *IndexOption
 	columnOptionListOpt   ColumnOptionListOpt
 	columnOptionList      ColumnOptionList
 	columnOption          *ColumnOption
@@ -118,208 +119,212 @@ const BY = 57357
 const LIMIT = 57358
 const OFFSET = 57359
 const FOR = 57360
-const FULLTEXT = 57361
-const PARSER = 57362
-const NGRAM = 57363
-const UNIQUE = 57364
-const KEY = 57365
-const ALL = 57366
-const DISTINCT = 57367
-const AS = 57368
-const EXISTS = 57369
-const ASC = 57370
-const DESC = 57371
-const INTO = 57372
-const DUPLICATE = 57373
-const DEFAULT = 57374
-const SET = 57375
-const LOCK = 57376
-const FULL = 57377
-const CHECKSUM = 57378
-const VALUES = 57379
-const LAST_INSERT_ID = 57380
-const NEXT = 57381
-const VALUE = 57382
-const SHARE = 57383
-const MODE = 57384
-const SQL_NO_CACHE = 57385
-const SQL_CACHE = 57386
-const JOIN = 57387
-const STRAIGHT_JOIN = 57388
-const LEFT = 57389
-const RIGHT = 57390
-const INNER = 57391
-const OUTER = 57392
-const CROSS = 57393
-const NATURAL = 57394
-const USE = 57395
-const FORCE = 57396
-const ON = 57397
-const ID = 57398
-const HEX = 57399
-const STRING = 57400
-const INTEGRAL = 57401
-const FLOAT = 57402
-const HEXNUM = 57403
-const VALUE_ARG = 57404
-const LIST_ARG = 57405
-const COMMENT = 57406
-const COMMENT_KEYWORD = 57407
-const NULL = 57408
-const TRUE = 57409
-const FALSE = 57410
-const OFF = 57411
-const OR = 57412
-const AND = 57413
-const NOT = 57414
-const BETWEEN = 57415
-const CASE = 57416
-const WHEN = 57417
-const THEN = 57418
-const ELSE = 57419
-const END = 57420
-const LE = 57421
-const GE = 57422
-const NE = 57423
-const NULL_SAFE_EQUAL = 57424
-const IS = 57425
-const LIKE = 57426
-const REGEXP = 57427
-const IN = 57428
-const SHIFT_LEFT = 57429
-const SHIFT_RIGHT = 57430
-const DIV = 57431
-const MOD = 57432
-const UNARY = 57433
-const COLLATE = 57434
-const BINARY = 57435
-const INTERVAL = 57436
-const JSON_EXTRACT_OP = 57437
-const JSON_UNQUOTE_EXTRACT_OP = 57438
-const CREATE = 57439
-const ALTER = 57440
-const DROP = 57441
-const RENAME = 57442
-const ANALYZE = 57443
-const ADD = 57444
-const MODIFY = 57445
-const TABLE = 57446
-const INDEX = 57447
-const VIEW = 57448
-const TO = 57449
-const IGNORE = 57450
-const IF = 57451
-const USING = 57452
-const PRIMARY = 57453
-const COLUMN = 57454
-const SHOW = 57455
-const DESCRIBE = 57456
-const EXPLAIN = 57457
-const DATE = 57458
-const ESCAPE = 57459
-const REPAIR = 57460
-const OPTIMIZE = 57461
-const TRUNCATE = 57462
-const BIT = 57463
-const TINYINT = 57464
-const SMALLINT = 57465
-const MEDIUMINT = 57466
-const INT = 57467
-const INTEGER = 57468
-const BIGINT = 57469
-const INTNUM = 57470
-const REAL = 57471
-const DOUBLE = 57472
-const FLOAT_TYPE = 57473
-const DECIMAL = 57474
-const NUMERIC = 57475
-const TIME = 57476
-const TIMESTAMP = 57477
-const DATETIME = 57478
-const YEAR = 57479
-const CHAR = 57480
-const VARCHAR = 57481
-const BOOL = 57482
-const CHARACTER = 57483
-const VARBINARY = 57484
-const NCHAR = 57485
-const CHARSET = 57486
-const TEXT = 57487
-const TINYTEXT = 57488
-const MEDIUMTEXT = 57489
-const LONGTEXT = 57490
-const BLOB = 57491
-const TINYBLOB = 57492
-const MEDIUMBLOB = 57493
-const LONGBLOB = 57494
-const JSON = 57495
-const ENUM = 57496
-const NULLX = 57497
-const AUTO_INCREMENT = 57498
-const APPROXNUM = 57499
-const SIGNED = 57500
-const UNSIGNED = 57501
-const ZEROFILL = 57502
-const DATABASES = 57503
-const TABLES = 57504
-const WARNINGS = 57505
-const VARIABLES = 57506
-const EVENTS = 57507
-const BINLOG = 57508
-const GTID = 57509
-const STATUS = 57510
-const COLUMNS = 57511
-const FIELDS = 57512
-const CURRENT_TIMESTAMP = 57513
-const DATABASE = 57514
-const CURRENT_DATE = 57515
-const CURRENT_TIME = 57516
-const LOCALTIME = 57517
-const LOCALTIMESTAMP = 57518
-const UTC_DATE = 57519
-const UTC_TIME = 57520
-const UTC_TIMESTAMP = 57521
-const REPLACE = 57522
-const CONVERT = 57523
-const CAST = 57524
-const GROUP_CONCAT = 57525
-const SEPARATOR = 57526
-const MATCH = 57527
-const AGAINST = 57528
-const BOOLEAN = 57529
-const LANGUAGE = 57530
-const WITH = 57531
-const QUERY = 57532
-const EXPANSION = 57533
-const UNUSED = 57534
-const PARTITION = 57535
-const PARTITIONS = 57536
-const HASH = 57537
-const LIST = 57538
-const XA = 57539
-const DISTRIBUTED = 57540
-const ENGINES = 57541
-const VERSIONS = 57542
-const PROCESSLIST = 57543
-const QUERYZ = 57544
-const TXNZ = 57545
-const KILL = 57546
-const ENGINE = 57547
-const SINGLE = 57548
-const BEGIN = 57549
-const START = 57550
-const TRANSACTION = 57551
-const COMMIT = 57552
-const ROLLBACK = 57553
-const GLOBAL = 57554
-const SESSION = 57555
-const NAMES = 57556
-const RADON = 57557
-const ATTACH = 57558
-const ATTACHLIST = 57559
-const DETACH = 57560
-const RESHARD = 57561
-const CLEANUP = 57562
+const ALGORITHM = 57361
+const BTREE = 57362
+const FULLTEXT = 57363
+const KEY_BLOCK_SIZE = 57364
+const NGRAM = 57365
+const PARSER = 57366
+const SPATIAL = 57367
+const UNIQUE = 57368
+const KEY = 57369
+const ALL = 57370
+const DISTINCT = 57371
+const AS = 57372
+const EXISTS = 57373
+const ASC = 57374
+const DESC = 57375
+const INTO = 57376
+const DUPLICATE = 57377
+const DEFAULT = 57378
+const SET = 57379
+const LOCK = 57380
+const FULL = 57381
+const CHECKSUM = 57382
+const VALUES = 57383
+const LAST_INSERT_ID = 57384
+const NEXT = 57385
+const VALUE = 57386
+const SHARE = 57387
+const MODE = 57388
+const SQL_NO_CACHE = 57389
+const SQL_CACHE = 57390
+const JOIN = 57391
+const STRAIGHT_JOIN = 57392
+const LEFT = 57393
+const RIGHT = 57394
+const INNER = 57395
+const OUTER = 57396
+const CROSS = 57397
+const NATURAL = 57398
+const USE = 57399
+const FORCE = 57400
+const ON = 57401
+const ID = 57402
+const HEX = 57403
+const STRING = 57404
+const INTEGRAL = 57405
+const FLOAT = 57406
+const HEXNUM = 57407
+const VALUE_ARG = 57408
+const LIST_ARG = 57409
+const COMMENT = 57410
+const COMMENT_KEYWORD = 57411
+const NULL = 57412
+const TRUE = 57413
+const FALSE = 57414
+const OFF = 57415
+const OR = 57416
+const AND = 57417
+const NOT = 57418
+const BETWEEN = 57419
+const CASE = 57420
+const WHEN = 57421
+const THEN = 57422
+const ELSE = 57423
+const END = 57424
+const LE = 57425
+const GE = 57426
+const NE = 57427
+const NULL_SAFE_EQUAL = 57428
+const IS = 57429
+const LIKE = 57430
+const REGEXP = 57431
+const IN = 57432
+const SHIFT_LEFT = 57433
+const SHIFT_RIGHT = 57434
+const DIV = 57435
+const MOD = 57436
+const UNARY = 57437
+const COLLATE = 57438
+const BINARY = 57439
+const INTERVAL = 57440
+const JSON_EXTRACT_OP = 57441
+const JSON_UNQUOTE_EXTRACT_OP = 57442
+const CREATE = 57443
+const ALTER = 57444
+const DROP = 57445
+const RENAME = 57446
+const ANALYZE = 57447
+const ADD = 57448
+const MODIFY = 57449
+const TABLE = 57450
+const INDEX = 57451
+const VIEW = 57452
+const TO = 57453
+const IGNORE = 57454
+const IF = 57455
+const USING = 57456
+const PRIMARY = 57457
+const COLUMN = 57458
+const SHOW = 57459
+const DESCRIBE = 57460
+const EXPLAIN = 57461
+const DATE = 57462
+const ESCAPE = 57463
+const REPAIR = 57464
+const OPTIMIZE = 57465
+const TRUNCATE = 57466
+const BIT = 57467
+const TINYINT = 57468
+const SMALLINT = 57469
+const MEDIUMINT = 57470
+const INT = 57471
+const INTEGER = 57472
+const BIGINT = 57473
+const INTNUM = 57474
+const REAL = 57475
+const DOUBLE = 57476
+const FLOAT_TYPE = 57477
+const DECIMAL = 57478
+const NUMERIC = 57479
+const TIME = 57480
+const TIMESTAMP = 57481
+const DATETIME = 57482
+const YEAR = 57483
+const CHAR = 57484
+const VARCHAR = 57485
+const BOOL = 57486
+const CHARACTER = 57487
+const VARBINARY = 57488
+const NCHAR = 57489
+const CHARSET = 57490
+const TEXT = 57491
+const TINYTEXT = 57492
+const MEDIUMTEXT = 57493
+const LONGTEXT = 57494
+const BLOB = 57495
+const TINYBLOB = 57496
+const MEDIUMBLOB = 57497
+const LONGBLOB = 57498
+const JSON = 57499
+const ENUM = 57500
+const NULLX = 57501
+const AUTO_INCREMENT = 57502
+const APPROXNUM = 57503
+const SIGNED = 57504
+const UNSIGNED = 57505
+const ZEROFILL = 57506
+const DATABASES = 57507
+const TABLES = 57508
+const WARNINGS = 57509
+const VARIABLES = 57510
+const EVENTS = 57511
+const BINLOG = 57512
+const GTID = 57513
+const STATUS = 57514
+const COLUMNS = 57515
+const FIELDS = 57516
+const CURRENT_TIMESTAMP = 57517
+const DATABASE = 57518
+const CURRENT_DATE = 57519
+const CURRENT_TIME = 57520
+const LOCALTIME = 57521
+const LOCALTIMESTAMP = 57522
+const UTC_DATE = 57523
+const UTC_TIME = 57524
+const UTC_TIMESTAMP = 57525
+const REPLACE = 57526
+const CONVERT = 57527
+const CAST = 57528
+const GROUP_CONCAT = 57529
+const SEPARATOR = 57530
+const MATCH = 57531
+const AGAINST = 57532
+const BOOLEAN = 57533
+const LANGUAGE = 57534
+const WITH = 57535
+const QUERY = 57536
+const EXPANSION = 57537
+const UNUSED = 57538
+const PARTITION = 57539
+const PARTITIONS = 57540
+const HASH = 57541
+const LIST = 57542
+const XA = 57543
+const DISTRIBUTED = 57544
+const ENGINES = 57545
+const VERSIONS = 57546
+const PROCESSLIST = 57547
+const QUERYZ = 57548
+const TXNZ = 57549
+const KILL = 57550
+const ENGINE = 57551
+const SINGLE = 57552
+const BEGIN = 57553
+const START = 57554
+const TRANSACTION = 57555
+const COMMIT = 57556
+const ROLLBACK = 57557
+const GLOBAL = 57558
+const SESSION = 57559
+const NAMES = 57560
+const RADON = 57561
+const ATTACH = 57562
+const ATTACHLIST = 57563
+const DETACH = 57564
+const RESHARD = 57565
+const CLEANUP = 57566
 
 var yyToknames = [...]string{
 	"$end",
@@ -340,9 +345,13 @@ var yyToknames = [...]string{
 	"LIMIT",
 	"OFFSET",
 	"FOR",
+	"ALGORITHM",
+	"BTREE",
 	"FULLTEXT",
-	"PARSER",
+	"KEY_BLOCK_SIZE",
 	"NGRAM",
+	"PARSER",
+	"SPATIAL",
 	"UNIQUE",
 	"KEY",
 	"ALL",
@@ -567,7 +576,7 @@ const yyEofCode = 1
 const yyErrCode = 2
 const yyInitialStackSize = 16
 
-//line sql.y:3671
+//line sql.y:3841
 
 //line yacctab:1
 var yyExca = [...]int{
@@ -578,753 +587,786 @@ var yyExca = [...]int{
 	5, 27,
 	-2, 4,
 	-1, 180,
-	83, 675,
+	87, 696,
 	-2, 40,
 	-1, 185,
-	83, 552,
-	-2, 500,
-	-1, 412,
-	111, 536,
-	-2, 532,
-	-1, 413,
-	111, 537,
-	-2, 533,
-	-1, 440,
-	158, 58,
-	161, 58,
-	-2, 71,
-	-1, 479,
-	1, 52,
-	238, 52,
-	-2, 58,
-	-1, 594,
+	87, 571,
+	-2, 520,
+	-1, 416,
+	115, 555,
+	-2, 551,
+	-1, 417,
+	115, 556,
+	-2, 552,
+	-1, 444,
+	162, 81,
+	165, 81,
+	-2, 92,
+	-1, 483,
+	1, 75,
+	242, 75,
+	-2, 81,
+	-1, 600,
 	5, 27,
-	-2, 476,
-	-1, 617,
-	158, 58,
-	161, 58,
-	-2, 72,
-	-1, 684,
-	1, 53,
-	238, 53,
-	-2, 58,
-	-1, 769,
-	111, 539,
-	-2, 535,
-	-1, 899,
+	-2, 496,
+	-1, 623,
+	162, 81,
+	165, 81,
+	-2, 93,
+	-1, 690,
+	1, 76,
+	242, 76,
+	-2, 81,
+	-1, 777,
+	115, 558,
+	-2, 554,
+	-1, 909,
 	5, 28,
-	-2, 355,
-	-1, 923,
+	-2, 375,
+	-1, 933,
 	5, 28,
-	-2, 477,
-	-1, 1011,
+	-2, 497,
+	-1, 1022,
 	5, 27,
-	-2, 479,
-	-1, 1115,
+	-2, 499,
+	-1, 1145,
 	5, 28,
-	-2, 480,
+	-2, 500,
 }
 
 const yyPrivate = 57344
 
-const yyLast = 6718
+const yyLast = 7049
 
 var yyAct = [...]int{
 
-	413, 960, 366, 1120, 1154, 500, 1056, 1002, 597, 1070,
-	667, 943, 798, 680, 607, 390, 936, 962, 388, 1001,
-	765, 753, 159, 1067, 799, 884, 981, 184, 892, 554,
-	3, 74, 768, 310, 66, 795, 598, 763, 140, 311,
-	56, 760, 779, 730, 710, 503, 816, 611, 819, 72,
-	642, 421, 636, 685, 626, 618, 493, 364, 178, 676,
-	168, 368, 355, 55, 140, 565, 74, 415, 313, 149,
-	151, 150, 152, 153, 146, 1079, 307, 613, 614, 1121,
-	158, 308, 1168, 181, 183, 1153, 1167, 1142, 1165, 143,
-	1081, 1152, 994, 762, 630, 1141, 1050, 141, 947, 117,
-	118, 831, 832, 833, 337, 707, 326, 325, 330, 834,
-	841, 660, 361, 391, 50, 332, 333, 821, 855, 176,
-	820, 140, 140, 966, 668, 1088, 1045, 1043, 867, 866,
-	624, 865, 320, 1110, 1112, 315, 116, 142, 140, 145,
-	505, 147, 148, 864, 154, 155, 156, 157, 1134, 639,
-	1133, 862, 701, 140, 505, 1132, 316, 24, 51, 26,
-	27, 1077, 639, 318, 50, 347, 349, 119, 821, 137,
-	700, 820, 164, 140, 327, 902, 140, 121, 74, 120,
-	46, 358, 416, 74, 28, 60, 319, 36, 544, 545,
-	1035, 509, 508, 926, 418, 181, 183, 703, 826, 898,
-	896, 434, 808, 417, 37, 1111, 699, 53, 510, 353,
-	553, 62, 63, 64, 65, 661, 136, 428, 951, 612,
-	532, 780, 328, 329, 668, 334, 335, 336, 835, 338,
-	339, 340, 341, 342, 144, 629, 522, 1158, 504, 532,
-	135, 344, 507, 510, 346, 903, 817, 1140, 638, 350,
-	861, 352, 504, 696, 694, 690, 863, 693, 695, 580,
-	581, 638, 712, 348, 348, 30, 31, 32, 952, 34,
-	523, 524, 525, 526, 527, 528, 529, 522, 50, 807,
-	532, 35, 47, 39, 625, 628, 48, 49, 33, 982,
-	1032, 627, 508, 432, 996, 123, 698, 431, 480, 656,
-	655, 512, 130, 830, 509, 508, 322, 423, 510, 652,
-	737, 697, 53, 984, 780, 140, 909, 1030, 140, 140,
-	140, 510, 733, 140, 735, 736, 734, 140, 140, 986,
-	1118, 990, 658, 985, 1025, 983, 692, 509, 508, 115,
-	988, 511, 711, 1024, 998, 657, 650, 702, 52, 941,
-	987, 419, 651, 853, 510, 989, 991, 509, 508, 124,
-	691, 134, 132, 852, 122, 38, 129, 1031, 904, 501,
-	842, 345, 40, 314, 510, 41, 42, 1091, 44, 43,
-	937, 513, 938, 45, 530, 531, 523, 524, 525, 526,
-	527, 528, 529, 522, 496, 1023, 532, 125, 133, 127,
-	128, 131, 172, 509, 508, 654, 525, 526, 527, 528,
-	529, 522, 501, 935, 532, 509, 508, 871, 870, 563,
-	510, 74, 723, 725, 726, 542, 140, 851, 724, 140,
-	599, 74, 510, 877, 878, 879, 754, 838, 755, 586,
-	582, 497, 313, 498, 317, 499, 600, 502, 181, 183,
-	653, 1028, 1137, 610, 594, 1085, 604, 1161, 354, 1135,
-	354, 602, 1054, 354, 669, 670, 671, 567, 568, 569,
-	570, 571, 572, 573, 968, 631, 541, 543, 1027, 965,
-	584, 946, 546, 547, 548, 549, 550, 551, 140, 609,
-	1021, 1020, 682, 890, 354, 140, 140, 957, 956, 954,
-	953, 354, 552, 945, 140, 555, 556, 557, 558, 559,
-	560, 561, 706, 564, 566, 566, 566, 566, 566, 566,
-	566, 566, 574, 575, 576, 577, 925, 354, 22, 720,
-	721, 731, 727, 728, 686, 678, 679, 827, 595, 1124,
-	521, 520, 530, 531, 523, 524, 525, 526, 527, 528,
-	529, 522, 74, 615, 532, 380, 379, 381, 382, 383,
-	384, 811, 756, 481, 385, 74, 716, 354, 441, 440,
-	759, 767, 183, 24, 321, 1084, 501, 732, 1083, 774,
-	775, 769, 948, 781, 796, 771, 806, 163, 716, 708,
-	709, 806, 921, 1054, 715, 599, 74, 24, 955, 416,
-	592, 797, 757, 758, 593, 890, 57, 608, 704, 800,
-	430, 600, 805, 777, 804, 918, 313, 784, 578, 53,
-	662, 681, 67, 53, 823, 802, 677, 729, 583, 810,
-	738, 739, 740, 741, 742, 743, 744, 745, 746, 747,
-	748, 749, 750, 751, 752, 788, 787, 53, 809, 890,
-	772, 773, 1125, 806, 776, 814, 672, 50, 165, 1128,
-	590, 796, 890, 688, 663, 664, 665, 666, 783, 555,
-	785, 786, 818, 815, 843, 844, 822, 487, 1131, 673,
-	674, 675, 24, 794, 1130, 1100, 1103, 1099, 825, 140,
-	828, 1104, 829, 520, 530, 531, 523, 524, 525, 526,
-	527, 528, 529, 522, 1159, 140, 532, 801, 53, 50,
-	717, 1101, 1151, 1010, 876, 845, 1102, 847, 848, 849,
-	1105, 719, 1062, 1063, 169, 170, 422, 812, 813, 1150,
-	793, 792, 53, 872, 630, 856, 859, 874, 854, 686,
-	420, 1058, 1061, 1062, 1063, 1059, 356, 1060, 1064, 1033,
-	731, 1129, 940, 846, 1058, 1061, 1062, 1063, 1059, 873,
-	1060, 1064, 357, 437, 770, 427, 74, 389, 919, 687,
-	486, 1066, 166, 167, 422, 1008, 782, 837, 880, 836,
-	824, 1138, 1122, 791, 894, 160, 1094, 858, 1093, 439,
-	140, 790, 438, 161, 57, 1053, 732, 608, 494, 495,
-	490, 910, 175, 1074, 869, 138, 839, 506, 59, 599,
-	61, 54, 1, 313, 313, 1119, 875, 684, 683, 641,
-	640, 908, 501, 942, 74, 600, 930, 183, 929, 633,
-	617, 174, 931, 920, 616, 309, 769, 632, 850, 647,
-	646, 645, 944, 928, 643, 840, 927, 659, 881, 882,
-	883, 1029, 932, 933, 1026, 889, 1078, 623, 74, 622,
-	140, 621, 620, 619, 648, 649, 939, 644, 313, 444,
-	445, 906, 443, 447, 446, 442, 183, 177, 1065, 1069,
-	891, 897, 69, 860, 689, 540, 789, 182, 174, 174,
-	433, 949, 950, 803, 74, 579, 414, 1092, 1052, 74,
-	967, 969, 958, 959, 907, 174, 562, 970, 778, 367,
-	722, 378, 894, 375, 767, 183, 980, 183, 377, 140,
-	174, 376, 976, 585, 769, 992, 74, 74, 975, 978,
-	997, 993, 999, 591, 514, 74, 1018, 800, 365, 979,
-	174, 359, 1000, 174, 1013, 1014, 1009, 995, 1109, 1004,
-	1015, 484, 331, 183, 1011, 126, 1019, 424, 964, 1057,
-	1055, 1003, 917, 489, 1049, 1123, 887, 589, 25, 58,
-	888, 961, 171, 14, 21, 15, 13, 12, 29, 10,
-	1005, 899, 900, 901, 9, 8, 905, 7, 6, 5,
-	4, 911, 162, 912, 913, 914, 915, 23, 972, 973,
-	1041, 2, 20, 19, 18, 17, 16, 140, 140, 11,
-	0, 922, 923, 924, 0, 0, 0, 0, 0, 1051,
-	0, 0, 74, 1075, 934, 0, 800, 0, 0, 0,
-	0, 0, 1006, 1082, 0, 801, 74, 0, 1012, 0,
-	944, 0, 1076, 0, 0, 0, 0, 0, 961, 0,
-	1087, 0, 0, 980, 183, 140, 140, 140, 140, 0,
-	0, 0, 0, 1096, 0, 1098, 140, 0, 1005, 140,
-	0, 1106, 140, 0, 1095, 0, 1097, 599, 74, 74,
-	1117, 1113, 479, 1114, 1034, 174, 174, 174, 0, 0,
-	488, 0, 1007, 600, 174, 174, 1116, 183, 771, 974,
-	1127, 0, 0, 0, 0, 0, 0, 0, 1048, 0,
-	0, 0, 0, 0, 1126, 501, 1005, 1005, 1005, 1005,
-	1068, 0, 0, 0, 801, 0, 50, 0, 0, 0,
-	1005, 1080, 0, 0, 0, 0, 0, 74, 1149, 1148,
-	0, 0, 1016, 1017, 0, 0, 74, 74, 74, 1143,
-	1144, 1156, 1157, 0, 0, 183, 173, 0, 0, 0,
-	1022, 1089, 74, 0, 1155, 1155, 1155, 0, 1006, 1006,
-	1006, 1006, 0, 0, 1164, 0, 0, 0, 0, 0,
-	1166, 0, 1068, 0, 0, 0, 0, 0, 0, 1036,
-	0, 1037, 961, 174, 0, 601, 603, 0, 1038, 1039,
-	0, 1040, 1046, 1047, 1042, 0, 1044, 0, 0, 0,
-	0, 0, 0, 323, 324, 0, 0, 521, 520, 530,
-	531, 523, 524, 525, 526, 527, 528, 529, 522, 0,
-	343, 532, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 351, 1145, 1146, 1147, 0,
-	961, 0, 0, 0, 0, 174, 0, 885, 0, 1090,
-	0, 0, 174, 174, 0, 426, 0, 0, 429, 0,
-	0, 174, 348, 0, 0, 0, 0, 1108, 0, 516,
-	0, 519, 0, 0, 0, 0, 1115, 533, 534, 535,
-	536, 537, 538, 539, 0, 517, 518, 515, 521, 520,
-	530, 531, 523, 524, 525, 526, 527, 528, 529, 522,
-	0, 0, 532, 0, 0, 0, 0, 0, 0, 0,
-	766, 603, 0, 0, 766, 766, 0, 0, 766, 1136,
-	0, 0, 0, 1139, 0, 0, 0, 0, 0, 0,
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-	75, 0, 91, 0, 96, 85, 106, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 84,
-	100, 0, 0, 0, 0, 0, 89, 0, 107, 109,
-	110, 112, 111, 113, 114, 0, 0, 0, 79, 0,
-	97, 0, 105, 76, 0, 0, 0, 95, 0, 88,
-	0, 0, 81, 87, 0, 0, 103, 104, 80, 108,
-	0, 82, 77, 0, 0, 94, 0, 102, 92, 0,
-	0, 98, 93, 0, 0, 90, 83, 0, 0, 0,
-	99, 0, 0, 0, 0, 0, 0, 0, 0, 73,
-	101, 895, 86, 0, 0, 0, 0, 0, 78, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 75, 0,
-	91, 0, 96, 85, 106, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 84, 100, 0,
-	0, 0, 0, 0, 89, 0, 0, 109, 110, 112,
-	111, 113, 114, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 107, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 79, 0, 97, 0, 105, 76, 0,
-	0, 0, 95, 0, 88, 0, 0, 81, 87, 0,
-	0, 103, 104, 80, 108, 425, 82, 77, 0, 0,
-	94, 0, 102, 92, 0, 0, 98, 93, 0, 0,
-	90, 83, 0, 0, 0, 99, 0, 0, 0, 0,
-	0, 0, 0, 0, 139, 101, 0, 86, 0, 0,
-	0, 0, 0, 78, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 75, 0, 91, 0, 96, 85, 106,
+	0, 0, 134, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 106, 0, 124, 0, 132, 102, 0, 122,
+	0, 101, 0, 115, 0, 0, 108, 114, 0, 0,
+	130, 131, 107, 135, 0, 0, 103, 109, 0, 121,
+	0, 129, 0, 0, 119, 0, 0, 125, 120, 117,
+	110, 0, 0, 0, 126, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 128, 188, 113, 0, 593, 0,
+	0, 594, 0, 0, 105, 0, 0, 0, 0, 0,
+	0, 0, 100, 0, 118, 0, 123, 112, 133, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 84, 100, 0, 0, 0, 0, 0, 89,
-	0, 0, 109, 110, 112, 111, 113, 114, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 107, 0,
-	95, 0, 88, 0, 0, 0, 0, 0, 79, 0,
-	97, 0, 105, 76, 82, 0, 0, 0, 0, 0,
-	0, 92, 81, 87, 98, 93, 103, 104, 80, 108,
-	0, 0, 77, 0, 0, 94, 0, 102, 0, 0,
-	0, 0, 73, 0, 0, 90, 83, 0, 0, 0,
-	99, 78, 0, 0, 0, 0, 0, 0, 0, 0,
-	101, 0, 86, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 75, 0,
-	91, 0, 96, 85, 106, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 84, 100, 0,
-	0, 0, 0, 0, 89, 0, 107, 109, 110, 112,
-	111, 113, 114, 0, 0, 0, 79, 0, 97, 0,
-	105, 76, 0, 0, 0, 95, 0, 88, 0, 0,
-	81, 87, 0, 0, 103, 104, 80, 108, 0, 82,
-	77, 0, 0, 94, 0, 102, 92, 0, 0, 98,
-	93, 0, 0, 90, 83, 0, 0, 0, 99, 0,
-	0, 0, 0, 0, 0, 0, 0, 412, 101, 0,
-	86, 0, 0, 0, 0, 0, 78, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 75, 0, 91, 0,
-	96, 85, 106, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 84, 100, 0, 0, 0,
-	0, 0, 89, 0, 0, 109, 110, 112, 111, 113,
-	114, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 107, 0, 95, 0, 88, 0, 0, 0, 0,
-	0, 79, 0, 97, 0, 105, 76, 82, 0, 0,
-	0, 0, 0, 0, 92, 81, 87, 98, 93, 103,
-	104, 80, 108, 0, 0, 77, 0, 0, 94, 0,
-	102, 0, 0, 0, 0, 139, 0, 0, 90, 83,
-	0, 0, 0, 99, 78, 0, 0, 0, 0, 0,
-	0, 0, 0, 101, 0, 86, 0, 0, 0, 0,
+	0, 111, 127, 0, 0, 0, 0, 0, 116, 0,
+	0, 136, 137, 139, 138, 140, 104, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 134,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 106,
+	0, 124, 0, 132, 102, 0, 122, 0, 101, 0,
+	115, 0, 0, 108, 114, 0, 0, 130, 131, 107,
+	135, 0, 0, 103, 109, 440, 121, 0, 129, 0,
+	0, 119, 0, 0, 125, 120, 117, 110, 0, 0,
+	0, 126, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 128, 188, 113, 439, 0, 0, 0, 0, 0,
+	0, 105, 0, 0, 0, 0, 0, 0, 0, 100,
+	0, 118, 0, 123, 112, 133, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 111, 127,
+	0, 0, 0, 0, 0, 116, 0, 0, 136, 137,
+	139, 138, 140, 104, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 134, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 106, 0, 124, 0,
+	132, 102, 0, 122, 0, 101, 0, 115, 0, 0,
+	108, 114, 0, 0, 130, 131, 107, 135, 0, 0,
+	103, 109, 0, 121, 0, 129, 0, 0, 119, 0,
+	0, 125, 120, 117, 110, 0, 0, 0, 126, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 128, 98,
+	113, 1094, 0, 0, 0, 0, 0, 0, 105, 0,
+	0, 0, 0, 0, 0, 0, 100, 0, 118, 0,
+	123, 112, 133, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 111, 127, 0, 0, 0,
+	0, 0, 116, 0, 0, 136, 137, 139, 138, 140,
+	104, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 134, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 106, 0, 124, 0, 132, 102, 0,
+	122, 0, 101, 0, 115, 0, 0, 108, 114, 0,
+	0, 130, 131, 107, 135, 0, 0, 103, 109, 0,
+	121, 0, 129, 0, 0, 119, 0, 0, 125, 120,
+	117, 110, 0, 0, 0, 126, 0, 0, 0, 0,
+	0, 0, 0, 53, 0, 128, 98, 113, 0, 0,
+	0, 0, 0, 0, 0, 105, 0, 0, 0, 0,
+	0, 0, 0, 100, 0, 118, 0, 123, 112, 133,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 75, 0, 91, 0, 96, 85, 106, 0, 0,
+	0, 0, 111, 127, 0, 0, 0, 0, 0, 116,
+	0, 0, 136, 137, 139, 138, 140, 104, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	84, 100, 0, 0, 0, 0, 0, 89, 0, 107,
-	109, 110, 112, 111, 113, 114, 0, 0, 0, 79,
-	0, 97, 0, 105, 76, 0, 0, 0, 95, 0,
-	88, 0, 0, 81, 87, 0, 0, 103, 104, 80,
-	108, 0, 82, 77, 0, 0, 94, 0, 102, 92,
-	0, 0, 98, 93, 0, 0, 90, 83, 0, 0,
-	0, 99, 0, 0, 0, 0, 0, 0, 0, 0,
-	312, 101, 0, 86, 0, 0, 0, 0, 0, 78,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 75,
-	0, 91, 0, 96, 85, 106, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 84, 100,
-	0, 0, 0, 0, 0, 89, 0, 0, 109, 110,
-	112, 111, 113, 114, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 107, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 79, 0, 97, 0, 105, 76,
-	0, 0, 0, 0, 0, 0, 0, 0, 81, 87,
-	0, 0, 103, 104, 80, 108, 0, 0, 77, 0,
-	0, 94, 0, 102, 0, 0, 0, 0, 0, 0,
-	0, 90, 83, 0, 0, 0, 99, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 101, 0, 86, 0,
+	134, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	106, 0, 124, 0, 132, 102, 0, 122, 0, 101,
+	0, 115, 0, 0, 108, 114, 0, 0, 130, 131,
+	107, 135, 0, 0, 103, 109, 0, 121, 0, 129,
+	0, 0, 119, 0, 0, 125, 120, 117, 110, 0,
+	0, 0, 126, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 128, 188, 113, 905, 0, 0, 0, 0,
+	0, 0, 105, 0, 0, 0, 0, 0, 0, 0,
+	100, 0, 118, 0, 123, 112, 133, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 111,
+	127, 0, 0, 0, 0, 0, 116, 0, 0, 136,
+	137, 139, 138, 140, 104, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 134, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 106, 0, 124,
+	0, 132, 102, 0, 0, 0, 0, 0, 0, 0,
+	0, 108, 114, 0, 0, 130, 131, 107, 135, 0,
+	0, 103, 0, 0, 121, 0, 129, 0, 122, 0,
+	101, 0, 115, 0, 117, 110, 0, 0, 0, 126,
+	0, 0, 0, 0, 0, 429, 109, 0, 0, 128,
+	0, 113, 0, 119, 0, 0, 125, 120, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 100, 0, 118,
+	0, 123, 112, 133, 98, 0, 0, 0, 0, 0,
+	0, 0, 0, 105, 0, 0, 111, 127, 0, 0,
+	0, 0, 0, 116, 0, 0, 136, 137, 139, 138,
+	140, 104, 0, 0, 0, 0, 0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 75, 0, 91, 0, 96, 85,
-	106, 0, 0, 0, 0, 450, 0, 0, 0, 0,
-	0, 0, 0, 84, 100, 0, 0, 0, 0, 0,
-	89, 0, 0, 109, 110, 112, 111, 113, 114, 462,
-	0, 0, 0, 0, 467, 468, 469, 470, 471, 472,
-	473, 0, 474, 475, 476, 477, 478, 463, 464, 465,
-	466, 448, 449, 0, 0, 451, 0, 0, 452, 453,
-	454, 455, 456, 457, 458, 459, 460, 461,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 134, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 106, 0,
+	124, 0, 132, 102, 0, 122, 0, 101, 0, 115,
+	0, 0, 108, 114, 0, 0, 130, 131, 107, 135,
+	0, 0, 103, 109, 0, 121, 0, 129, 0, 0,
+	119, 0, 0, 125, 120, 117, 110, 0, 0, 0,
+	126, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	128, 188, 113, 0, 0, 0, 0, 0, 0, 0,
+	105, 0, 0, 0, 0, 0, 0, 0, 100, 0,
+	118, 0, 123, 112, 133, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 111, 127, 0,
+	0, 0, 0, 0, 116, 0, 0, 136, 137, 139,
+	138, 140, 104, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 134, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 106, 0, 124, 0, 132,
+	102, 0, 122, 0, 101, 0, 115, 0, 0, 108,
+	114, 0, 0, 130, 131, 107, 135, 0, 0, 103,
+	109, 0, 121, 0, 129, 0, 0, 119, 0, 0,
+	125, 120, 117, 110, 0, 0, 0, 126, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 128, 416, 113,
+	0, 0, 0, 0, 0, 0, 0, 105, 0, 0,
+	0, 0, 0, 0, 0, 100, 0, 118, 0, 123,
+	112, 133, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 111, 127, 0, 0, 0, 0,
+	0, 116, 0, 0, 136, 137, 139, 138, 140, 104,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 134, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 106, 0, 124, 0, 132, 102, 0, 122,
+	0, 101, 0, 115, 0, 0, 108, 114, 0, 0,
+	130, 131, 107, 135, 0, 0, 103, 109, 0, 121,
+	0, 129, 0, 0, 119, 0, 0, 125, 120, 117,
+	110, 0, 0, 0, 126, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 128, 98, 113, 0, 0, 0,
+	0, 0, 0, 0, 105, 0, 0, 0, 0, 0,
+	0, 0, 100, 0, 118, 0, 123, 112, 133, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 111, 127, 0, 0, 0, 0, 0, 116, 0,
+	0, 136, 137, 139, 138, 140, 104, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 134,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 106,
+	0, 124, 0, 132, 102, 0, 122, 0, 101, 0,
+	115, 0, 0, 108, 114, 0, 0, 130, 131, 107,
+	135, 0, 0, 103, 109, 0, 121, 0, 129, 0,
+	0, 119, 0, 0, 125, 120, 117, 110, 0, 0,
+	0, 126, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 128, 314, 113, 0, 0, 0, 0, 0, 0,
+	0, 105, 0, 0, 0, 0, 0, 0, 0, 100,
+	0, 118, 0, 123, 112, 133, 0, 0, 24, 51,
+	26, 27, 0, 0, 0, 0, 0, 0, 111, 127,
+	0, 0, 0, 0, 0, 116, 0, 0, 136, 137,
+	139, 138, 140, 104, 0, 46, 0, 0, 0, 28,
+	0, 0, 36, 0, 0, 0, 134, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 106, 0, 124, 37,
+	132, 102, 53, 0, 0, 0, 0, 0, 0, 0,
+	108, 114, 0, 0, 130, 131, 107, 135, 0, 0,
+	103, 0, 0, 121, 0, 129, 0, 0, 0, 0,
+	0, 0, 0, 117, 110, 0, 0, 0, 126, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 128, 0,
+	113, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	30, 31, 32, 0, 34, 0, 100, 0, 118, 0,
+	123, 112, 133, 0, 0, 0, 35, 47, 39, 0,
+	0, 48, 49, 33, 0, 111, 127, 0, 0, 0,
+	0, 0, 116, 0, 0, 136, 137, 139, 138, 140,
+	104, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 52, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	38, 0, 0, 0, 0, 0, 0, 40, 0, 0,
+	41, 42, 0, 44, 43, 0, 0, 0, 45,
 }
 var yyPact = [...]int{
 
-	151, -1000, -175, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	6812, -1000, -171, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 782, 821, -1000, -1000, -1000, -1000, -1000, 582,
+	92, 52, -4, 90, 88, 124, 87, 6602, -1000, -1000,
+	39, -1000, -156, -1000, -1000, -139, -1000, -1000, -1000, -1000,
+	602, -1000, -1000, -1000, -1000, -1000, 774, 780, 613, 755,
+	664, -1000, 52, 6602, 809, 2092, -137, 6729, 49, 85,
+	84, 83, 49, -1000, 72, -1000, 45, 478, 45, 6602,
+	6602, -62, -13, -1000, -1000, -40, -1000, -1000, -1000, -69,
+	-1000, -1000, -1000, -1000, -1000, -1000, 6602, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, 780, 803, -1000, -1000, -1000, -1000, -1000, 566,
-	4884, 11, -22, 58, 56, 181, 48, 6316, -1000, -1000,
-	27, -1000, -152, -1000, -1000, -164, -1000, -1000, -1000, -1000,
-	591, -1000, -1000, -1000, -1000, -1000, 769, 778, 652, 748,
-	681, -1000, 11, 6316, 792, 1839, -134, 6441, 9, 34,
-	9, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, 42, -1000, 6, 515, 6,
-	6316, 6316, -75, -15, -1000, -1000, -71, -1000, -1000, -1000,
-	-81, -1000, -1000, -1000, -1000, -1000, -1000, 6316, -1000, -1000,
-	-1000, -1000, -1000, -1000, 309, -1000, -1000, -1000, -1000, 563,
-	563, -1000, 6316, -1000, -1000, -1000, -1000, -1000, 443, 728,
-	4535, 4535, 780, -1000, 591, -1000, -1000, -1000, 701, -1000,
-	-1000, 240, 5975, 732, 106, 6316, 553, 2771, -1000, -1000,
-	-1000, 210, 5492, -1000, -1000, -1000, 730, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, 342, -1000, -1000, -1000, -1000, 560,
+	560, -1000, 6602, -1000, -1000, -1000, -1000, -1000, 397, 716,
+	4595, 4595, 782, -1000, 602, -1000, -1000, -1000, 697, -1000,
+	-1000, 267, 6221, 704, 126, 6602, 555, 3040, -1000, -1000,
+	-1000, 225, 5689, -1000, -1000, -1000, 702, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
@@ -1336,148 +1378,158 @@ var yyPact = [...]int{
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
 	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 777, 774, 511,
-	-1000, 6546, -1000, -1000, 6316, 223, 504, 6316, 6316, 6316,
-	743, 622, 6316, -1000, -1000, 790, 6316, 6316, -1000, -1000,
-	788, 789, -1000, -1000, -1000, -1000, -1000, 788, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 4535, -1000,
-	-1000, 114, -1000, -1000, -1000, -1000, 799, 149, 284, -1000,
-	4535, 1204, 563, 563, -1000, -1000, 76, -1000, -1000, 4742,
-	4742, 4742, 4742, 4742, 4742, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 563, 99,
-	-1000, 4324, 563, 563, 563, 563, 563, 563, 4535, 563,
-	563, 563, 563, 563, 563, 563, 563, 563, 563, 563,
-	563, 563, -1000, -1000, 561, -1000, 231, 769, 443, 681,
-	5384, 614, -1000, -1000, 567, 6316, -1000, 6208, 3470, 786,
-	2771, 553, 4535, 111, -1000, -1000, -1000, -1000, -135, 563,
-	62, 1472, 277, -65, -1000, -1000, 564, -1000, 564, 564,
-	564, 564, -34, -34, -34, -34, -1000, -1000, -1000, -1000,
-	-1000, 600, -1000, 564, 564, 564, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 570, 570, 570, 565, 565, 702,
-	742, 608, -1000, 138, 551, -1000, -1000, 6316, -1000, 769,
-	-79, -1000, -1000, 251, 6316, 6316, -1000, -1000, -1000, -1000,
-	509, 330, -1000, 6316, -1000, -1000, -1000, 680, 4535, 4535,
-	353, 4535, 4535, 153, 4742, 256, 233, 4742, 4742, 4742,
-	4742, 4742, 4742, 4742, 4742, 4742, 4742, 4742, 4742, 4742,
-	4742, 4742, 377, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, 503, -1000, 591, 495, 495, 112, 112, 112, 112,
-	112, 1330, 3691, 3237, 443, 4324, 3902, 3902, 4535, 4535,
-	3902, 749, 142, 330, 6083, -1000, 443, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 3902, 3902, 3902, 3902, 4535, -1000,
-	-1000, -1000, 728, -1000, 749, 773, -1000, 694, 693, 3902,
-	-1000, 606, 6208, 563, -1000, 5257, -1000, 596, -1000, 196,
-	-1000, 91, -1000, -1000, -1000, -1000, -1000, 780, 4535, -1000,
-	330, -1000, 502, 563, 563, 6441, -1000, 62, -1000, -1000,
-	-1000, -1000, -1000, -1000, 163, 163, -41, -1000, -1000, 163,
-	-1000, -1000, -1000, 568, 757, 139, 478, 126, -1000, -1000,
-	-1000, 277, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
-	-1000, 234, 40, -1000, 756, -1000, 754, 376, 798, -67,
-	-1000, -1000, 308, -34, -34, -1000, -1000, 111, 720, 111,
-	111, 111, 366, -1000, -1000, -1000, -1000, 301, -1000, -1000,
-	-1000, 291, -1000, -1000, 702, -1000, 10, -1000, 6316, -1000,
-	128, 173, 19, 2, 0, -1, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 6316, -1000, -1000, 357, -1000, -1000,
-	-1000, 356, 4535, -1000, 251, -1000, 4535, -1000, -1000, 672,
-	153, 218, -1000, -1000, 364, -1000, -1000, 330, 330, 3676,
-	-1000, -1000, -1000, -1000, 256, 4742, 4742, 4742, 1123, 3676,
-	1347, 288, 598, 112, 306, 306, 131, 131, 131, 131,
-	131, 172, 172, -1000, -1000, -1000, 443, -1000, -1000, -1000,
-	443, 3902, 548, -1000, -1000, 1580, 89, 563, 88, -1000,
-	-1000, 443, 436, 436, 118, 342, 436, 3902, 235, -1000,
-	4535, 443, -1000, 436, 443, 436, 436, -1000, -1000, 6316,
-	-1000, -1000, -1000, -1000, 605, -1000, 737, 529, 535, -1000,
-	-1000, 4113, 443, 469, 82, 780, 6208, 4535, 3237, 769,
-	330, -1000, 6441, 6441, 443, -1000, 352, -1000, 321, 163,
-	-1000, 719, 287, 6083, -1000, 444, -1000, -1000, 422, -1000,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -90,
-	-1000, -1000, 524, 111, 111, -1000, 159, -1000, -1000, -1000,
-	442, -1000, 541, 440, -1000, 163, 163, 2072, -1000, 6316,
-	-1000, -1000, -1000, 420, -35, 566, 415, 6441, -1000, -1000,
-	-1000, -1000, 330, -1000, 330, -1000, -1000, -1000, -1000, -1000,
-	-1000, 1123, 3676, 1279, -1000, 4742, 4742, -1000, -1000, 436,
-	3902, -1000, -1000, 5850, -1000, -1000, 2538, 3902, 3004, -1000,
-	-1000, -1000, 180, 377, 180, -111, 592, 212, -1000, 4535,
-	264, -1000, -1000, -1000, -1000, -1000, -1000, 786, 5725, 752,
-	-1000, 563, -1000, -1000, 676, 6083, 6083, 769, -1000, 330,
-	-1000, -1000, 443, 443, 2072, -1000, -1000, -1000, -1000, 321,
-	-1000, -1000, 433, -1000, 564, -1000, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, -1000, 334, 281, -1000, 272, 419, 258,
-	-1000, -1000, -1000, -1000, -1000, -1000, 716, -1000, -1000, -1000,
-	-1000, 4742, 3676, 3676, -1000, -1000, -1000, -1000, 79, 443,
-	-1000, 443, 564, 564, -1000, 564, 565, -1000, 564, -16,
-	564, -17, 443, 443, 563, -105, -1000, 330, 4535, 783,
-	536, 709, -1000, -1000, -1000, 745, 4992, 5149, 795, -1000,
-	563, -1000, 591, 50, -1000, -1000, -136, 563, -1000, -1000,
-	-116, 6083, -1000, -1000, 520, 517, -1000, -1000, -1000, -1000,
-	-1000, -1000, -1000, 396, 3676, 2305, -1000, -1000, -1000, 66,
-	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 4742, 443,
-	316, 330, 775, 771, 5725, 5725, 5725, 5725, -1000, 642,
-	640, -1000, 666, 641, 675, 6316, -1000, 405, 4992, 80,
-	-1000, 5617, -1000, -1000, 6208, 535, 443, 6083, 2072, 268,
-	-131, 762, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 446,
-	-1000, -1000, -1000, 4535, 4535, 709, 604, 696, -1000, -1000,
-	-1000, -1000, 639, -1000, 633, -1000, -1000, -1000, -1000, -1000,
-	33, 28, 26, -1000, 534, -1000, -1000, -1000, -1000, 402,
-	-1000, 393, 760, 443, 43, -120, 330, 531, 4535, 4535,
-	-1000, -1000, 563, 563, 563, -131, 2072, 692, -1000, -1000,
-	670, -114, -123, 330, 330, 6083, 6083, 6083, -1000, -1000,
-	144, -1000, 662, -1000, 400, -1000, 400, 400, 563, -118,
-	-1000, 6083, -1000, -1000, -1000, -121, -1000, -126, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 779,
+	778, 514, -1000, 1201, -1000, -1000, 6602, 237, 476, 455,
+	446, 6602, 6602, 6602, 721, 617, 6602, -1000, -1000, 808,
+	6602, 6602, -1000, -1000, 804, 807, -1000, -1000, -1000, -1000,
+	-1000, 804, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 4595, -1000, -1000, 139, -1000, -1000, -1000, -1000,
+	817, 161, 278, -1000, 4595, 1350, 560, 560, -1000, -1000,
+	108, -1000, -1000, 4806, 4806, 4806, 4806, 4806, 4806, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 560, 122, -1000, 4384, 560, 560, 560, 560,
+	560, 560, 4595, 560, 560, 560, 560, 560, 560, 560,
+	560, 560, 560, 560, 560, 560, -1000, -1000, 557, -1000,
+	256, 774, 397, 664, 5562, 649, -1000, -1000, 595, 6602,
+	-1000, 6475, 3751, 802, 3040, 555, 4595, 95, -1000, -1000,
+	-1000, -1000, -121, 560, 37, 227, 611, -54, -1000, -1000,
+	565, -1000, 565, 565, 565, 565, -8, -8, -8, -8,
+	-1000, -1000, -1000, -1000, -1000, 608, -1000, 565, 565, 565,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 607, 607,
+	607, 566, 566, 708, 718, 616, 612, 610, -1000, 163,
+	546, -1000, -1000, 6602, -1000, 774, -65, -1000, -1000, 257,
+	6602, 6602, -1000, -1000, -1000, -1000, 512, 283, -1000, 6602,
+	-1000, -1000, -1000, 677, 4595, 4595, 347, 4595, 4595, 187,
+	4806, 297, 233, 4806, 4806, 4806, 4806, 4806, 4806, 4806,
+	4806, 4806, 4806, 4806, 4806, 4806, 4806, 4806, 340, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 437, -1000, 602,
+	496, 496, 117, 117, 117, 117, 117, 5006, 1831, 3514,
+	397, 4384, 3962, 3962, 4595, 4595, 3962, 727, 235, 283,
+	6348, -1000, 397, -1000, -1000, -1000, -1000, -1000, -1000, -1000,
+	3962, 3962, 3962, 3962, 4595, -1000, -1000, -1000, 716, -1000,
+	727, 806, -1000, 689, 688, 3962, -1000, 594, 6475, 560,
+	-1000, 5435, -1000, 593, -1000, 223, -1000, 116, -1000, -1000,
+	-1000, -1000, -1000, 782, 4595, -1000, 283, -1000, 435, 560,
+	560, 6729, -1000, 37, -1000, -1000, -1000, -1000, -1000, -1000,
+	211, 211, -21, -1000, -1000, 211, -1000, -1000, -1000, 753,
+	165, 433, 166, 166, -1000, -1000, -1000, 611, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, 262, 82, -1000,
+	743, -1000, 734, 364, 815, -56, -1000, -1000, 338, -8,
+	-8, -1000, -1000, 95, 701, 95, 95, 95, 363, -1000,
+	-1000, -1000, -1000, 333, -1000, -1000, -1000, 324, -1000, -1000,
+	708, -1000, 40, -1000, 6602, 6602, 6602, -1000, 174, 214,
+	54, 35, 34, 32, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, -1000, 6602, -1000, -1000, 362, -1000, -1000, -1000, 358,
+	4595, -1000, 257, -1000, 4595, -1000, -1000, 674, 187, 199,
+	-1000, -1000, 300, -1000, -1000, 283, 283, 922, -1000, -1000,
+	-1000, -1000, 297, 4806, 4806, 4806, 1144, 922, 1422, 484,
+	1293, 117, 305, 305, 147, 147, 147, 147, 147, 660,
+	660, -1000, -1000, -1000, 397, -1000, -1000, -1000, 397, 3962,
+	545, -1000, -1000, 5157, 112, 560, 106, -1000, -1000, 397,
+	444, 444, 145, 264, 444, 3962, 266, -1000, 4595, 397,
+	-1000, 444, 397, 444, 444, -1000, -1000, 6602, -1000, -1000,
+	-1000, -1000, 585, -1000, 710, 519, 539, -1000, -1000, 4173,
+	397, 505, 104, 782, 6475, 4595, 3514, 774, 283, -1000,
+	6729, 6729, 397, -1000, 354, -1000, 332, 211, -1000, 700,
+	321, 606, 430, 604, 596, 406, 399, -1000, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -78, -1000, -1000,
+	515, 95, 95, -1000, 184, -1000, -1000, -1000, 475, -1000,
+	544, 472, -1000, 211, 211, 560, 560, 560, -1000, 6602,
+	-1000, -1000, -1000, 389, -16, 582, 386, 6729, -1000, -1000,
+	-1000, -1000, 283, -1000, 283, -1000, -1000, -1000, -1000, -1000,
+	-1000, 1144, 922, 1199, -1000, 4806, 4806, -1000, -1000, 444,
+	3962, -1000, -1000, 6070, -1000, -1000, 2803, 3962, 3277, -1000,
+	-1000, -1000, 81, 340, 81, -97, 554, 229, -1000, 4595,
+	242, -1000, -1000, -1000, -1000, -1000, -1000, 802, 5943, 731,
+	-1000, 560, -1000, -1000, 592, 6348, 6348, 774, -1000, 283,
+	-1000, -1000, 397, 397, 2329, -1000, -1000, -1000, -1000, 332,
+	-1000, -1000, 6348, 581, 6348, 6348, 580, 567, -1000, -1000,
+	-1000, -1000, -1000, -1000, -1000, 350, 320, -1000, 314, 388,
+	194, 6348, 6348, 6348, -1000, -1000, -1000, 696, -1000, -1000,
+	-1000, -1000, 4806, 922, 922, -1000, -1000, -1000, -1000, 101,
+	397, -1000, 397, 565, 565, -1000, 565, 566, -1000, 565,
+	17, 565, 15, 397, 397, 560, -94, -1000, 283, 4595,
+	787, 542, 790, -1000, -1000, -1000, 725, 1498, 5308, 812,
+	-1000, 560, -1000, 602, 70, -1000, -1000, -132, 560, -1000,
+	-1000, -1000, -1000, 442, -1000, 565, 6348, 429, 427, 6348,
+	6348, -1000, 486, 424, -1000, -1000, -1000, -1000, -1000, -1000,
+	-1000, 423, 423, 423, 382, 922, 2566, -1000, -1000, -1000,
+	71, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 4806,
+	397, 306, 283, 784, 777, 5943, 5943, 5943, 5943, -1000,
+	661, 657, -1000, 644, 640, 629, 6602, -1000, 416, 1498,
+	114, -1000, 5816, -1000, -1000, 6475, 539, 397, 6348, 2329,
+	296, -138, -1000, 6348, -1000, 414, -1000, -1000, 410, 396,
+	-1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, -1000, 703,
+	-1000, -1000, -1000, 4595, 4595, 790, 586, 726, -1000, -1000,
+	-1000, -1000, 656, -1000, 630, -1000, -1000, -1000, -1000, -1000,
+	77, 74, 60, -1000, 538, -1000, -1000, -1000, -1000, 394,
+	-1000, 369, -1000, -1000, 148, 148, -1000, -1000, 148, 68,
+	359, 397, 63, -107, 283, 521, 4595, 4595, -1000, -1000,
+	560, 560, 560, -138, 2329, 687, 148, -1000, -1000, -1000,
+	211, 298, 59, 68, 359, 713, 713, -1000, -1000, 763,
+	713, -1000, -1000, 668, -101, -125, 283, 283, 6348, 6348,
+	6348, -1000, -1000, 154, 277, -1000, -1000, -1000, -1000, -1000,
+	211, 211, 766, -1000, 663, -1000, 380, -1000, 380, 380,
+	560, -1000, 388, 388, -1000, -103, -1000, 6348, -1000, -1000,
+	-1000, -1000, -1000, -108, -1000, -127, -1000,
 }
 var yyPgo = [...]int{
 
-	0, 1009, 1006, 1005, 1004, 1003, 1002, 1001, 29, 528,
-	997, 992, 990, 989, 988, 987, 985, 984, 979, 978,
-	977, 976, 975, 974, 973, 185, 972, 969, 968, 51,
-	967, 60, 965, 964, 963, 25, 93, 41, 37, 20,
-	962, 23, 19, 7, 961, 960, 6, 959, 1092, 957,
-	56, 955, 952, 44, 951, 949, 948, 4, 14, 941,
-	938, 934, 933, 57, 112, 923, 921, 918, 913, 911,
-	910, 43, 5, 12, 15, 24, 909, 61, 2, 908,
-	42, 906, 904, 898, 897, 40, 896, 67, 895, 22,
-	62, 893, 35, 8, 36, 119, 58, 890, 887, 886,
-	339, 885, 186, 373, 884, 45, 883, 882, 27, 0,
-	18, 17, 28, 880, 39, 767, 32, 9, 879, 878,
-	97, 1, 21, 877, 26, 875, 874, 873, 872, 870,
-	869, 215, 867, 865, 864, 863, 862, 861, 859, 857,
-	856, 10, 47, 16, 854, 48, 46, 54, 851, 847,
-	845, 59, 13, 844, 841, 840, 839, 838, 33, 837,
-	52, 34, 835, 834, 830, 55, 829, 11, 823, 820,
-	819, 50, 818, 817, 53, 3, 815, 812, 811, 113,
-	209, 810, 65,
+	0, 1063, 1061, 1059, 1058, 1056, 1055, 1054, 19, 672,
+	1051, 1048, 1046, 1042, 1039, 1036, 1033, 1017, 1016, 1015,
+	1013, 1012, 1011, 1010, 1009, 130, 1008, 1004, 1003, 61,
+	1002, 63, 1001, 999, 998, 35, 67, 30, 49, 142,
+	997, 32, 29, 17, 996, 995, 15, 994, 1142, 993,
+	65, 992, 991, 50, 990, 987, 980, 2, 31, 978,
+	976, 971, 970, 72, 885, 969, 966, 964, 963, 951,
+	935, 48, 11, 23, 10, 28, 934, 106, 18, 933,
+	43, 932, 930, 928, 926, 45, 925, 59, 923, 39,
+	60, 922, 54, 14, 41, 127, 62, 920, 918, 917,
+	546, 914, 321, 370, 911, 51, 908, 37, 0, 12,
+	34, 42, 907, 52, 1000, 40, 22, 906, 905, 44,
+	3, 26, 903, 24, 902, 901, 897, 896, 895, 894,
+	232, 893, 892, 890, 889, 888, 887, 886, 884, 883,
+	21, 47, 25, 53, 7, 56, 882, 881, 880, 69,
+	16, 879, 877, 876, 875, 869, 46, 868, 75, 36,
+	866, 865, 864, 58, 9, 33, 13, 8, 27, 4,
+	5, 862, 861, 858, 855, 852, 850, 1, 848, 847,
+	55, 838, 836, 57, 6, 834, 832, 831, 115, 337,
+	828, 145,
 }
 var yyR1 = [...]int{
 
-	0, 177, 178, 178, 7, 7, 7, 7, 7, 7,
+	0, 186, 187, 187, 7, 7, 7, 7, 7, 7,
 	7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
 	7, 7, 7, 8, 8, 8, 9, 10, 10, 11,
-	11, 12, 12, 28, 28, 13, 14, 15, 15, 123,
-	123, 176, 176, 175, 140, 140, 16, 16, 16, 16,
-	16, 16, 172, 172, 173, 173, 174, 174, 147, 147,
-	146, 146, 145, 145, 144, 144, 148, 148, 148, 19,
-	161, 163, 163, 164, 164, 165, 165, 165, 165, 165,
-	139, 143, 143, 135, 136, 137, 138, 138, 162, 162,
-	162, 158, 114, 114, 125, 125, 125, 169, 169, 170,
-	170, 171, 171, 171, 171, 171, 171, 171, 128, 128,
-	126, 126, 126, 126, 126, 126, 126, 127, 127, 127,
-	127, 127, 129, 129, 129, 129, 129, 130, 130, 130,
-	130, 130, 130, 130, 130, 130, 130, 130, 130, 130,
-	130, 157, 157, 131, 131, 151, 151, 152, 152, 152,
-	149, 149, 150, 150, 153, 153, 132, 132, 132, 132,
-	132, 133, 154, 141, 141, 141, 142, 142, 155, 155,
-	156, 156, 134, 159, 159, 166, 166, 166, 166, 166,
-	160, 160, 168, 168, 167, 17, 17, 17, 17, 17,
+	11, 12, 12, 28, 28, 13, 14, 15, 15, 122,
+	122, 185, 185, 184, 139, 139, 16, 16, 16, 16,
+	16, 16, 16, 16, 176, 176, 177, 177, 172, 170,
+	170, 168, 168, 174, 174, 166, 166, 171, 171, 169,
+	169, 167, 167, 173, 173, 181, 181, 182, 182, 183,
+	183, 145, 145, 144, 144, 143, 143, 146, 146, 146,
+	19, 159, 161, 161, 162, 162, 163, 163, 163, 163,
+	163, 138, 142, 142, 134, 135, 136, 137, 137, 160,
+	160, 160, 156, 113, 113, 124, 124, 124, 178, 178,
+	179, 179, 180, 180, 180, 180, 180, 180, 180, 127,
+	127, 125, 125, 125, 125, 125, 125, 125, 126, 126,
+	126, 126, 126, 128, 128, 128, 128, 128, 129, 129,
+	129, 129, 129, 129, 129, 129, 129, 129, 129, 129,
+	129, 129, 155, 155, 130, 130, 149, 149, 150, 150,
+	150, 147, 147, 148, 148, 151, 151, 131, 131, 131,
+	131, 131, 132, 152, 140, 140, 140, 141, 141, 153,
+	153, 154, 154, 133, 157, 157, 157, 157, 157, 157,
+	158, 158, 165, 165, 164, 17, 17, 17, 17, 17,
 	17, 17, 17, 18, 18, 18, 54, 54, 1, 20,
 	2, 3, 4, 4, 5, 5, 5, 5, 6, 6,
 	6, 6, 6, 21, 21, 21, 21, 21, 21, 21,
 	21, 21, 21, 21, 21, 21, 21, 21, 21, 34,
 	34, 50, 50, 51, 51, 52, 52, 53, 53, 53,
-	24, 22, 23, 23, 23, 23, 181, 25, 26, 26,
+	24, 22, 23, 23, 23, 23, 190, 25, 26, 26,
 	27, 27, 27, 31, 31, 31, 29, 29, 30, 30,
-	37, 37, 36, 36, 38, 38, 38, 38, 113, 113,
-	113, 112, 112, 40, 40, 41, 41, 42, 42, 43,
-	43, 43, 55, 44, 44, 44, 44, 119, 119, 118,
-	118, 118, 117, 117, 45, 45, 45, 45, 46, 46,
+	37, 37, 36, 36, 38, 38, 38, 38, 112, 112,
+	112, 111, 111, 40, 40, 41, 41, 42, 42, 43,
+	43, 43, 55, 44, 44, 44, 44, 118, 118, 117,
+	117, 117, 116, 116, 45, 45, 45, 45, 46, 46,
 	46, 46, 47, 47, 49, 49, 48, 48, 56, 56,
 	56, 56, 57, 57, 58, 58, 39, 39, 39, 39,
 	39, 39, 39, 101, 101, 60, 60, 59, 59, 59,
@@ -1488,10 +1540,10 @@ var yyR1 = [...]int{
 	64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
 	64, 64, 64, 64, 64, 64, 64, 64, 68, 68,
 	68, 66, 66, 66, 66, 66, 66, 66, 66, 66,
-	67, 67, 67, 67, 67, 67, 67, 67, 182, 182,
-	69, 69, 69, 69, 32, 32, 32, 32, 32, 122,
-	122, 124, 124, 124, 124, 124, 124, 124, 124, 124,
-	124, 124, 124, 124, 81, 81, 33, 33, 79, 79,
+	67, 67, 67, 67, 67, 67, 67, 67, 191, 191,
+	69, 69, 69, 69, 32, 32, 32, 32, 32, 121,
+	121, 123, 123, 123, 123, 123, 123, 123, 123, 123,
+	123, 123, 123, 123, 81, 81, 33, 33, 79, 79,
 	80, 82, 82, 78, 78, 78, 63, 63, 63, 63,
 	63, 63, 63, 65, 65, 65, 83, 83, 84, 84,
 	85, 85, 86, 86, 87, 88, 88, 88, 89, 89,
@@ -1500,25 +1552,25 @@ var yyR1 = [...]int{
 	75, 74, 76, 93, 93, 94, 95, 95, 96, 96,
 	98, 98, 98, 97, 97, 97, 99, 99, 102, 102,
 	103, 103, 100, 100, 104, 104, 104, 104, 104, 104,
-	104, 104, 104, 104, 105, 105, 105, 106, 106, 107,
-	107, 107, 110, 110, 111, 111, 115, 115, 116, 116,
-	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
-	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
-	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
-	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
-	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
-	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
-	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
+	104, 104, 104, 104, 105, 105, 105, 106, 106, 175,
+	175, 109, 109, 110, 110, 114, 114, 115, 115, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
+	107, 107, 107, 107, 107, 107, 107, 107, 107, 107,
 	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
 	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
 	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
 	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
-	108, 108, 108, 108, 108, 108, 108, 108, 108, 108,
-	108, 109, 109, 109, 109, 109, 109, 109, 109, 109,
-	109, 109, 109, 109, 109, 109, 109, 109, 109, 109,
-	109, 109, 109, 109, 109, 109, 109, 109, 109, 109,
-	109, 109, 109, 109, 109, 109, 109, 109, 109, 109,
-	109, 179, 180, 120, 121, 121, 121,
+	108, 188, 189, 119, 120, 120, 120,
 }
 var yyR2 = [...]int{
 
@@ -1527,19 +1579,21 @@ var yyR2 = [...]int{
 	1, 1, 1, 4, 6, 7, 10, 1, 3, 1,
 	3, 6, 7, 1, 1, 8, 7, 3, 4, 1,
 	1, 1, 3, 5, 0, 2, 2, 10, 12, 8,
-	5, 7, 0, 1, 1, 2, 4, 4, 0, 1,
-	0, 1, 1, 2, 1, 1, 1, 1, 1, 4,
-	4, 0, 1, 1, 2, 1, 1, 1, 1, 1,
-	3, 1, 1, 3, 3, 4, 1, 1, 1, 3,
-	3, 3, 1, 1, 3, 1, 1, 0, 1, 1,
-	2, 1, 1, 1, 1, 1, 1, 1, 2, 1,
-	1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
-	2, 2, 1, 2, 2, 2, 1, 4, 4, 2,
-	2, 3, 3, 3, 3, 1, 1, 1, 1, 1,
-	4, 1, 3, 0, 3, 0, 5, 0, 3, 5,
-	0, 1, 0, 1, 1, 2, 2, 2, 2, 2,
-	2, 3, 1, 0, 3, 3, 0, 2, 2, 1,
-	2, 1, 2, 4, 7, 2, 3, 2, 2, 3,
+	5, 11, 11, 11, 1, 1, 1, 1, 2, 3,
+	2, 0, 2, 1, 1, 0, 2, 1, 3, 0,
+	2, 0, 2, 3, 3, 0, 1, 1, 2, 4,
+	4, 0, 1, 0, 1, 1, 2, 1, 1, 1,
+	4, 4, 0, 1, 1, 2, 1, 1, 1, 1,
+	1, 3, 1, 1, 3, 3, 4, 1, 1, 1,
+	3, 3, 3, 1, 1, 3, 1, 1, 0, 1,
+	1, 2, 1, 1, 1, 1, 1, 1, 1, 2,
+	1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
+	2, 2, 2, 1, 2, 2, 2, 1, 4, 4,
+	2, 2, 3, 3, 3, 3, 1, 1, 1, 1,
+	1, 4, 1, 3, 0, 3, 0, 5, 0, 3,
+	5, 0, 1, 0, 1, 1, 2, 2, 2, 2,
+	2, 2, 3, 1, 0, 3, 3, 0, 2, 2,
+	1, 2, 1, 2, 5, 7, 6, 6, 7, 7,
 	1, 1, 1, 3, 2, 6, 7, 7, 7, 9,
 	7, 7, 7, 4, 5, 4, 1, 3, 3, 3,
 	2, 2, 3, 4, 2, 3, 2, 2, 4, 4,
@@ -1596,259 +1650,273 @@ var yyR2 = [...]int{
 }
 var yyChk = [...]int{
 
-	-1000, -177, -7, -8, -12, -13, -14, -15, -16, -17,
+	-1000, -186, -7, -8, -12, -13, -14, -15, -16, -17,
 	-18, -1, -20, -21, -24, -22, -2, -3, -4, -5,
-	-6, -23, -9, -10, 6, -28, 8, 9, 33, -19,
-	114, 115, 116, 137, 118, 130, 36, 53, 214, 132,
-	221, 224, 225, 228, 227, 232, 29, 131, 135, 136,
-	-179, 7, 197, 56, -178, 238, -85, 14, -27, 5,
-	-25, -181, -25, -25, -25, -25, -161, 56, 189, -107,
-	121, 22, -110, 59, -109, 203, 138, 157, 68, 133,
-	153, 147, 31, 171, 222, 208, 187, 148, 19, 229,
-	170, 205, 38, 42, 160, 17, 207, 135, 41, 175,
-	223, 185, 162, 151, 152, 137, 209, 123, 154, 232,
-	233, 235, 234, 236, 237, -100, 125, 121, 122, 189,
-	121, 121, 183, 114, 178, 216, -51, 218, 219, 185,
-	121, 220, 181, 217, 180, 59, 35, 121, -115, 59,
-	-109, -120, -120, 62, 207, -120, 226, -120, -120, 233,
-	235, 234, 236, 237, -120, -120, -120, -120, -8, -89,
-	16, 15, -11, -9, -179, 6, 24, 25, -31, 43,
-	44, -26, -100, -48, -115, 10, -95, -123, -96, 230,
-	229, -111, -98, -110, -108, 161, 158, 231, 74, 26,
-	28, 173, 77, 144, 109, 166, 15, 78, 155, 108,
-	186, 198, 114, 51, 190, 191, 188, 189, 178, 149,
-	32, 9, 29, 131, 25, 102, 116, 81, 82, 216,
-	134, 27, 132, 71, 18, 54, 10, 35, 12, 13,
-	126, 125, 93, 122, 49, 7, 142, 143, 110, 30,
-	90, 45, 23, 47, 91, 16, 192, 193, 34, 169,
-	165, 202, 168, 141, 164, 104, 52, 39, 75, 69,
-	150, 72, 55, 136, 73, 14, 50, 219, 128, 218,
-	146, 92, 117, 197, 48, 6, 201, 33, 130, 140,
-	46, 121, 179, 167, 139, 163, 80, 124, 70, 220,
-	5, 22, 176, 8, 53, 127, 194, 195, 196, 37,
-	159, 156, 217, 206, 79, 11, 177, 210, 215, -162,
-	-158, -114, 59, -109, -103, 126, 122, -103, 121, -102,
-	126, 59, -102, -48, -48, 182, 121, 189, -120, -120,
-	179, -52, 186, 187, -120, -120, -120, 185, -120, -120,
-	-120, -120, -120, -48, -120, 62, -120, -74, -179, -74,
-	-120, -48, -120, -180, 58, -90, 18, 34, -39, -59,
-	75, -64, 32, 27, -63, -60, -78, -76, -77, 109,
-	98, 99, 106, 76, 110, -68, -66, -67, -69, 61,
-	60, 62, 63, 64, 65, 69, 70, 71, -110, -115,
-	-74, -179, 47, 48, 198, 199, 202, 200, 78, 37,
-	188, 196, 195, 194, 192, 193, 190, 191, 126, 189,
-	104, 197, 59, -109, -86, -87, -39, -85, -8, -25,
-	39, -29, 25, 67, -49, 30, -48, 33, 111, -48,
-	57, -95, 83, -97, -110, 61, 32, 33, 15, 15,
-	58, 57, -125, -128, -130, -129, -126, -127, 155, 156,
-	109, 159, 162, 163, 164, 165, 166, 167, 168, 169,
-	170, 171, 133, 151, 152, 153, 154, 138, 139, 140,
-	141, 142, 143, 144, 146, 147, 148, 149, 150, -115,
-	75, 59, -48, -48, -54, -48, 27, 55, -115, -34,
-	10, -48, -48, -50, 10, 10, -50, -120, -120, -120,
-	-72, -39, -120, -105, 124, 26, 8, 93, 74, 73,
-	90, 57, 17, -39, -61, 93, 75, 91, 92, 77,
-	95, 94, 105, 98, 99, 100, 101, 102, 103, 104,
-	96, 97, 108, 83, 84, 85, 86, 87, 88, 89,
-	-101, -179, -77, -179, 112, 113, -64, -64, -64, -64,
-	-64, -64, -179, 111, -8, -179, -179, -179, -179, -179,
-	-179, -179, -81, -39, -179, -182, -179, -182, -182, -182,
-	-182, -182, -182, -182, -179, -179, -179, -179, 57, -88,
-	28, 29, -89, -180, -31, -65, -110, 62, 65, -30,
-	46, -62, 33, 37, -8, -179, -48, -93, -94, -78,
-	-110, -115, -116, -115, -108, 158, 161, -58, 11, -96,
-	-39, -142, 108, 212, 213, -179, -163, -164, -165, -135,
-	-136, -137, -138, -139, 68, 222, -147, 229, 223, 173,
-	32, -158, -159, -166, 128, 22, -160, 19, 122, 23,
-	-169, -170, -171, -153, -132, -154, -155, -156, -134, -133,
-	69, 75, 32, 173, 128, 23, 22, 68, 55, -149,
-	176, -131, 56, -131, -131, -131, -131, -141, 158, -141,
-	-141, -141, 56, -131, -131, -131, -151, 56, -151, -151,
-	-152, 56, -152, -172, -173, -174, -147, 27, 55, -104,
-	117, 222, 198, 119, 116, 120, 115, 173, 158, 68,
-	32, 14, 209, 59, 57, -48, -89, 184, -120, -120,
-	-53, 91, 11, -48, -48, -120, 57, -180, -48, 41,
-	-39, -39, -70, 69, 75, 70, 71, -39, -39, -64,
-	-71, -74, -77, 66, 93, 91, 92, 77, -64, -64,
+	-6, -23, -9, -10, 6, -28, 8, 9, 37, -19,
+	118, 119, 120, 141, 122, 134, 40, 57, 218, 136,
+	225, 228, 229, 232, 231, 236, 33, 135, 139, 140,
+	-188, 7, 201, 60, -187, 242, -85, 14, -27, 5,
+	-25, -190, -25, -25, -25, -25, -159, 60, 193, -175,
+	21, 25, 125, 26, -100, 129, 125, 126, 193, 125,
+	125, 187, 118, 182, 220, -51, 222, 223, 189, 125,
+	224, 185, 221, 184, 63, 39, 125, -114, 63, -108,
+	207, 19, 142, 161, 241, 72, 137, 157, 151, 35,
+	175, 226, 212, 191, 152, 21, 233, 174, 209, 42,
+	46, 164, 17, 211, 139, 45, 179, 227, 189, 166,
+	155, 156, 141, 213, 127, 158, 236, 237, 239, 238,
+	240, -119, -119, 66, 211, -119, 230, -119, -119, 237,
+	239, 238, 240, 241, -119, -119, -119, -119, -8, -89,
+	16, 15, -11, -9, -188, 6, 28, 29, -31, 47,
+	48, -26, -100, -48, -114, 10, -95, -122, -96, 234,
+	233, -110, -98, -109, -107, 165, 162, 235, 63, -108,
+	78, 30, 32, 177, 81, 148, 113, 170, 15, 82,
+	159, 112, 190, 202, 118, 55, 194, 195, 192, 193,
+	182, 153, 36, 9, 33, 135, 29, 106, 120, 85,
+	86, 220, 138, 31, 136, 75, 18, 58, 10, 39,
+	12, 13, 130, 129, 97, 126, 53, 7, 146, 147,
+	114, 34, 94, 49, 27, 51, 95, 16, 196, 197,
+	38, 173, 169, 206, 172, 145, 168, 108, 56, 43,
+	79, 73, 154, 76, 59, 140, 77, 14, 54, 223,
+	132, 222, 150, 96, 121, 201, 52, 6, 205, 37,
+	134, 144, 50, 125, 183, 171, 143, 167, 84, 128,
+	74, 224, 5, 26, 180, 8, 57, 131, 198, 199,
+	200, 41, 163, 160, 221, 210, 83, 11, 181, 214,
+	219, -160, -156, -113, 63, -108, -103, 130, 126, 126,
+	126, -103, 125, -102, 130, 63, -102, -48, -48, 186,
+	125, 193, -119, -119, 183, -52, 190, 191, -119, -119,
+	-119, 189, -119, -119, -119, -119, -119, -48, -119, 66,
+	-119, -74, -188, -74, -119, -48, -119, -189, 62, -90,
+	18, 38, -39, -59, 79, -64, 36, 31, -63, -60,
+	-78, -76, -77, 113, 102, 103, 110, 80, 114, -68,
+	-66, -67, -69, 65, 64, 66, 67, 68, 69, 73,
+	74, 75, -109, -114, -74, -188, 51, 52, 202, 203,
+	206, 204, 82, 41, 192, 200, 199, 198, 196, 197,
+	194, 195, 130, 193, 108, 201, 63, -108, -86, -87,
+	-39, -85, -8, -25, 43, -29, 29, 71, -49, 34,
+	-48, 37, 115, -48, 61, -95, 87, -97, -109, 65,
+	36, 37, 15, 15, 62, 61, -124, -127, -129, -128,
+	-125, -126, 159, 160, 113, 163, 166, 167, 168, 169,
+	170, 171, 172, 173, 174, 175, 137, 155, 156, 157,
+	158, 142, 143, 144, 145, 146, 147, 148, 150, 151,
+	152, 153, 154, -114, 79, 63, 63, 63, -48, -48,
+	-54, -48, 31, 59, -114, -34, 10, -48, -48, -50,
+	10, 10, -50, -119, -119, -119, -72, -39, -119, -105,
+	128, 30, 8, 97, 78, 77, 94, 61, 17, -39,
+	-61, 97, 79, 95, 96, 81, 99, 98, 109, 102,
+	103, 104, 105, 106, 107, 108, 100, 101, 112, 87,
+	88, 89, 90, 91, 92, 93, -101, -188, -77, -188,
+	116, 117, -64, -64, -64, -64, -64, -64, -188, 115,
+	-8, -188, -188, -188, -188, -188, -188, -188, -81, -39,
+	-188, -191, -188, -191, -191, -191, -191, -191, -191, -191,
+	-188, -188, -188, -188, 61, -88, 32, 33, -89, -189,
+	-31, -65, -109, 66, 69, -30, 50, -62, 37, 41,
+	-8, -188, -48, -93, -94, -78, -109, -114, -115, -114,
+	-107, 162, 165, -58, 11, -96, -39, -141, 112, 216,
+	217, -188, -161, -162, -163, -134, -135, -136, -137, -138,
+	72, 226, -145, 233, 227, 177, 36, -156, -157, 132,
+	26, -158, 21, 25, 126, 27, -178, -179, -180, -151,
+	-131, -152, -153, -154, -133, -132, 73, 79, 36, 177,
+	132, 27, 26, 72, 59, -147, 180, -130, 60, -130,
+	-130, -130, -130, -140, 162, -140, -140, -140, 60, -130,
+	-130, -130, -149, 60, -149, -149, -150, 60, -150, -181,
+	-182, -183, -145, 31, 59, 59, 59, -104, 121, 226,
+	202, 123, 120, 124, 119, 177, 162, 72, 36, 14,
+	213, 63, 61, -48, -89, 188, -119, -119, -53, 95,
+	11, -48, -48, -119, 61, -189, -48, 45, -39, -39,
+	-70, 73, 79, 74, 75, -39, -39, -64, -71, -74,
+	-77, 70, 97, 95, 96, 81, -64, -64, -64, -64,
 	-64, -64, -64, -64, -64, -64, -64, -64, -64, -64,
-	-64, -64, -64, -122, 59, 61, 59, -63, -63, -110,
-	-37, 25, -36, -38, 100, -39, -115, -111, -116, -108,
-	-180, -8, -36, -36, -39, -39, -36, -29, -79, -80,
-	79, -110, -180, -36, -37, -36, -36, -87, -90, -99,
-	18, 10, 37, 37, -36, -92, 55, -93, -73, -75,
-	-74, -179, -8, -91, -110, -58, 57, 83, 111, -85,
-	-39, 59, -179, -179, -114, -165, -146, 83, -146, -145,
-	161, 158, -146, 56, 23, -160, 59, 59, -160, -171,
-	69, 61, 62, 63, 69, 188, 23, 23, 61, 8,
-	-150, 177, 62, -141, -141, -142, 33, -142, -142, -142,
-	-157, 61, 62, 62, -174, 108, -145, -48, -120, -105,
-	-106, 122, 23, 83, 124, 129, 129, 129, -48, -120,
-	61, 61, -39, -53, -39, -120, 42, 69, 70, 71,
-	-71, -64, -64, -64, -35, 134, 74, -180, -180, -36,
-	57, -113, -112, 26, -110, 61, 111, -179, 111, -180,
-	-180, -180, 57, 127, 26, -180, -36, -82, -80, 81,
-	-39, -180, -180, -180, -180, -180, -48, -40, 10, 31,
-	-92, 57, -180, -180, -180, 57, 111, -85, -94, -39,
-	-111, -89, -114, -114, -180, 61, -143, 59, 61, -146,
-	33, 62, -168, -167, -110, 59, 59, 188, 58, -142,
-	-142, 59, 109, 58, 57, 57, 58, 57, -146, -146,
-	-121, -179, -111, -48, -120, 59, 158, -161, 59, -158,
-	-35, 74, -64, -64, -180, -38, -112, 100, -116, -37,
-	-111, -124, 109, 155, 133, 153, 149, 170, 160, 175,
-	151, 176, -122, -124, 203, -85, 82, -39, 80, -58,
-	-41, -42, -43, -44, -55, -77, -179, -48, 23, -75,
-	37, -8, -179, -110, -110, -89, -180, -180, -121, -143,
-	58, 57, -131, 61, 62, 62, -144, 59, 32, -148,
-	59, 109, 32, 33, -64, 111, -180, -180, -131, -131,
-	-131, -152, -131, 143, -131, 143, -180, -180, -179, -33,
-	201, -39, -83, 12, 57, -45, -46, -47, 45, 49,
-	51, 46, 47, 48, 52, -119, 26, -41, -179, -118,
-	-117, 26, -115, 61, 8, -73, -8, 111, -140, 211,
-	-179, 206, -167, 58, 58, 59, 100, -141, 59, -64,
-	-180, 61, -84, 13, 15, -42, -43, -42, -43, 45,
-	45, 45, 50, 45, 50, 45, -46, -115, -180, -56,
-	53, 125, 54, -117, -93, -180, -110, -121, 62, -176,
-	-175, 210, 20, -32, 93, 206, -39, -72, 55, 55,
-	45, 45, 122, 122, 122, 57, -180, 59, 21, -180,
-	204, 52, 207, -39, -39, -179, -179, -179, -175, -121,
-	37, 42, 205, 208, -57, -110, -57, -57, 93, 42,
-	-180, 57, -180, -180, -74, 206, -110, 207, 208,
+	-64, -121, 63, 65, 63, -63, -63, -109, -37, 29,
+	-36, -38, 104, -39, -114, -110, -115, -107, -189, -8,
+	-36, -36, -39, -39, -36, -29, -79, -80, 83, -109,
+	-189, -36, -37, -36, -36, -87, -90, -99, 18, 10,
+	41, 41, -36, -92, 59, -93, -73, -75, -74, -188,
+	-8, -91, -109, -58, 61, 87, 115, -85, -39, 63,
+	-188, -188, -113, -163, -144, 87, -144, -143, 165, 162,
+	-144, 27, -158, 63, 63, -158, -158, -180, 73, 65,
+	66, 67, 73, 192, 27, 27, 65, 8, -148, 181,
+	66, -140, -140, -141, 37, -141, -141, -141, -155, 65,
+	66, 66, -183, 112, -143, -48, -48, -48, -119, -105,
+	-106, 126, 27, 87, 128, 133, 133, 133, -48, -119,
+	65, 65, -39, -53, -39, -119, 46, 73, 74, 75,
+	-71, -64, -64, -64, -35, 138, 78, -189, -189, -36,
+	61, -112, -111, 30, -109, 65, 115, -188, 115, -189,
+	-189, -189, 61, 131, 30, -189, -36, -82, -80, 85,
+	-39, -189, -189, -189, -189, -189, -48, -40, 10, 35,
+	-92, 61, -189, -189, -189, 61, 115, -85, -94, -39,
+	-110, -89, -113, -113, -189, 65, -142, 63, 65, -144,
+	37, 66, 60, 63, 60, 60, 63, 63, 192, 62,
+	-141, -141, 63, 113, 62, 61, 61, 62, 61, -144,
+	-144, -188, -188, -188, -48, -119, 63, 162, -159, 63,
+	-156, -35, 78, -64, -64, -189, -38, -111, 104, -115,
+	-37, -110, -123, 113, 159, 137, 157, 153, 174, 164,
+	179, 155, 180, -121, -123, 207, -85, 86, -39, 84,
+	-58, -41, -42, -43, -44, -55, -77, -188, -48, 27,
+	-75, 41, -8, -188, -109, -109, -89, -189, -189, -120,
+	-188, -110, -142, -165, -164, -109, 60, -165, -165, 60,
+	60, 65, 66, 66, -177, 63, 36, -146, 63, 113,
+	36, -165, -165, -165, 37, -64, 115, -189, -189, -130,
+	-130, -130, -150, -130, 147, -130, 147, -189, -189, -188,
+	-33, 205, -39, -83, 12, 61, -45, -46, -47, 49,
+	53, 55, 50, 51, 52, 56, -118, 30, -41, -188,
+	-117, -116, 30, -114, 65, 8, -73, -8, 115, -139,
+	215, -188, 62, 61, -130, -165, 62, 62, -165, -165,
+	62, 62, -189, -189, -189, 63, 104, -140, 63, -64,
+	-189, 65, -84, 13, 15, -42, -43, -42, -43, 49,
+	49, 49, 54, 49, 54, 49, -46, -114, -189, -56,
+	57, 129, 58, -116, -93, -189, -109, -120, 66, -185,
+	-184, 214, -164, 62, -168, -168, 62, 62, -168, -166,
+	-169, -32, 97, 210, -39, -72, 59, 59, 49, 49,
+	126, 126, 126, 61, -189, 63, -168, -174, -170, -172,
+	22, 72, 131, -166, -169, -167, -167, -171, -170, 210,
+	-167, -170, -189, 208, 56, 211, -39, -39, -188, -188,
+	-188, -184, -120, 41, -144, 65, -176, 216, 20, -173,
+	38, 19, 24, 46, 209, 212, -57, -109, -57, -57,
+	97, 66, -144, -144, 23, 46, -189, 61, -189, -189,
+	-74, -177, -177, 210, -109, 211, 212,
 }
 var yyDef = [...]int{
 
 	0, -2, 2, -2, 5, 6, 7, 8, 9, 10,
 	11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
-	21, 22, 460, 0, 246, 246, 246, 246, 246, 0,
-	529, 512, 0, 0, 0, 233, 0, 0, 703, 703,
-	0, 703, 0, 703, 703, 0, 703, 703, 703, 703,
-	0, 33, 34, 701, 1, 3, 468, 0, 0, 250,
-	253, 248, 512, 0, 0, 0, 46, 0, 510, 0,
-	510, 530, 531, 532, 533, 661, 662, 663, 664, 665,
-	666, 667, 668, 669, 670, 671, 672, 673, 674, 675,
-	676, 677, 678, 679, 680, 681, 682, 683, 684, 685,
-	686, 687, 688, 689, 690, 691, 692, 693, 694, 695,
-	696, 697, 698, 699, 700, 0, 513, 508, 0, 508,
-	0, 0, 0, 0, 703, 703, 0, 703, 703, 703,
-	0, 703, 703, 703, 703, 703, 234, 0, 241, 536,
-	537, 200, 201, 703, 0, 204, 703, 206, 207, 0,
-	0, 703, 0, 703, 242, 243, 244, 245, 27, 472,
-	0, 0, 460, 29, 0, 246, 251, 252, 256, 254,
-	255, 247, 0, 0, 306, 0, 37, 0, 496, 39,
-	-2, 0, 0, 534, 535, -2, 551, 502, 540, 541,
-	542, 543, 544, 545, 546, 547, 548, 549, 550, 553,
-	554, 555, 556, 557, 558, 559, 560, 561, 562, 563,
-	564, 565, 566, 567, 568, 569, 570, 571, 572, 573,
-	574, 575, 576, 577, 578, 579, 580, 581, 582, 583,
-	584, 585, 586, 587, 588, 589, 590, 591, 592, 593,
-	594, 595, 596, 597, 598, 599, 600, 601, 602, 603,
-	604, 605, 606, 607, 608, 609, 610, 611, 612, 613,
-	614, 615, 616, 617, 618, 619, 620, 621, 622, 623,
-	624, 625, 626, 627, 628, 629, 630, 631, 632, 633,
-	634, 635, 636, 637, 638, 639, 640, 641, 642, 643,
-	644, 645, 646, 647, 648, 649, 650, 651, 652, 653,
-	654, 655, 656, 657, 658, 659, 660, 0, 0, 0,
-	88, 0, 92, 93, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 198, 199, 229, 0, 0, 216, 217,
-	231, 0, 235, 236, 220, 221, 222, 231, 224, 225,
-	226, 227, 228, 703, 202, 703, 205, 703, 0, 703,
-	210, 524, 212, 28, 702, 23, 0, 0, 469, 316,
-	0, 321, 323, 0, 358, 359, 360, 361, 362, 0,
-	0, 0, 0, 0, 0, 384, 385, 386, 387, 446,
-	447, 448, 449, 450, 451, 452, 325, 326, 443, 0,
-	492, 0, 0, 0, 0, 0, 0, 0, 434, 0,
-	408, 408, 408, 408, 408, 408, 408, 408, 0, 0,
-	0, 0, -2, -2, 461, 462, 465, 468, 27, 253,
-	0, 258, 257, 249, 0, 0, 305, 0, 0, 314,
-	0, 38, 0, 166, 503, 504, 505, 501, 0, 0,
-	-2, 0, 97, 150, 95, 96, 143, 109, 143, 143,
-	143, 143, 163, 163, 163, 163, 135, 136, 137, 138,
-	139, 0, 122, 143, 143, 143, 126, 110, 111, 112,
-	113, 114, 115, 116, 145, 145, 145, 147, 147, -2,
-	0, 0, 69, 0, 193, 196, 509, 0, 195, 468,
-	0, 703, 703, 237, 0, 0, 703, 240, 203, 208,
-	0, 356, 209, 0, 525, 526, 473, 0, 0, 0,
-	0, 0, 0, 319, 0, 0, 0, 0, 0, 0,
+	21, 22, 480, 0, 266, 266, 266, 266, 266, 0,
+	549, 532, 0, 0, 0, 253, 0, 0, 723, 723,
+	0, 723, 0, 723, 723, 0, 723, 723, 723, 723,
+	0, 33, 34, 721, 1, 3, 488, 0, 0, 270,
+	273, 268, 532, 0, 0, 0, 46, 0, 530, 0,
+	0, 0, 530, 550, 0, 533, 528, 0, 528, 0,
+	0, 0, 0, 723, 723, 0, 723, 723, 723, 0,
+	723, 723, 723, 723, 723, 254, 0, 261, 555, 556,
+	680, 681, 682, 683, 684, 685, 686, 687, 688, 689,
+	690, 691, 692, 693, 694, 695, 696, 697, 698, 699,
+	700, 701, 702, 703, 704, 705, 706, 707, 708, 709,
+	710, 711, 712, 713, 714, 715, 716, 717, 718, 719,
+	720, 220, 221, 723, 0, 224, 723, 226, 227, 0,
+	0, 723, 0, 723, 262, 263, 264, 265, 27, 492,
+	0, 0, 480, 29, 0, 266, 271, 272, 276, 274,
+	275, 267, 0, 0, 326, 0, 37, 0, 516, 39,
+	-2, 0, 0, 553, 554, -2, 570, 522, 551, 552,
+	559, 560, 561, 562, 563, 564, 565, 566, 567, 568,
+	569, 572, 573, 574, 575, 576, 577, 578, 579, 580,
+	581, 582, 583, 584, 585, 586, 587, 588, 589, 590,
+	591, 592, 593, 594, 595, 596, 597, 598, 599, 600,
+	601, 602, 603, 604, 605, 606, 607, 608, 609, 610,
+	611, 612, 613, 614, 615, 616, 617, 618, 619, 620,
+	621, 622, 623, 624, 625, 626, 627, 628, 629, 630,
+	631, 632, 633, 634, 635, 636, 637, 638, 639, 640,
+	641, 642, 643, 644, 645, 646, 647, 648, 649, 650,
+	651, 652, 653, 654, 655, 656, 657, 658, 659, 660,
+	661, 662, 663, 664, 665, 666, 667, 668, 669, 670,
+	671, 672, 673, 674, 675, 676, 677, 678, 679, 0,
+	0, 0, 109, 0, 113, 114, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 218, 219, 249,
+	0, 0, 236, 237, 251, 0, 255, 256, 240, 241,
+	242, 251, 244, 245, 246, 247, 248, 723, 222, 723,
+	225, 723, 0, 723, 230, 544, 232, 28, 722, 23,
+	0, 0, 489, 336, 0, 341, 343, 0, 378, 379,
+	380, 381, 382, 0, 0, 0, 0, 0, 0, 404,
+	405, 406, 407, 466, 467, 468, 469, 470, 471, 472,
+	345, 346, 463, 0, 512, 0, 0, 0, 0, 0,
+	0, 0, 454, 0, 428, 428, 428, 428, 428, 428,
+	428, 428, 0, 0, 0, 0, -2, -2, 481, 482,
+	485, 488, 27, 273, 0, 278, 277, 269, 0, 0,
+	325, 0, 0, 334, 0, 38, 0, 187, 523, 524,
+	525, 521, 0, 0, -2, 0, 118, 171, 116, 117,
+	164, 130, 164, 164, 164, 164, 184, 184, 184, 184,
+	156, 157, 158, 159, 160, 0, 143, 164, 164, 164,
+	147, 131, 132, 133, 134, 135, 136, 137, 166, 166,
+	166, 168, 168, -2, 0, 0, 0, 0, 90, 0,
+	213, 216, 529, 0, 215, 488, 0, 723, 723, 257,
+	0, 0, 723, 260, 223, 228, 0, 376, 229, 0,
+	545, 546, 493, 0, 0, 0, 0, 0, 0, 339,
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 343, 344, 345, 346, 347, 348, 349,
-	322, 0, 336, 0, 0, 0, 378, 379, 380, 381,
-	382, 0, 260, 0, 27, 0, 0, 0, 0, 0,
-	0, 256, 0, 435, 0, 400, 0, 401, 402, 403,
-	404, 405, 406, 407, 0, 260, 0, 0, 0, 464,
-	466, 467, 472, 30, 256, 0, 453, 0, 0, 0,
-	259, 485, 0, 0, -2, 0, 304, 314, 493, 0,
-	443, 0, 307, 538, 539, 551, 552, 460, 0, 497,
-	498, 499, 0, 0, 0, 0, 70, -2, 73, 75,
-	76, 77, 78, 79, 60, 60, 0, 86, 87, 60,
-	59, 89, 90, 0, 0, 0, 0, 674, 180, 181,
-	91, 98, 99, 101, 102, 103, 104, 105, 106, 107,
-	154, 0, 0, 162, 0, 169, 171, 0, 0, 152,
-	151, 108, 0, 163, 163, 129, 130, 166, 0, 166,
-	166, 166, 0, 123, 124, 125, 117, 0, 118, 119,
-	120, 0, 121, 50, -2, 54, 0, 511, 0, 703,
-	524, 0, 521, 0, 519, 0, 514, 515, 516, 517,
-	518, 520, 522, 523, 0, 194, 703, 0, 214, 215,
-	218, 0, 0, 232, 237, 223, 0, 491, 703, 0,
-	317, 318, 320, 337, 0, 339, 341, 470, 471, 327,
-	328, 352, 353, 354, 0, 0, 0, 0, 350, 332,
-	0, 363, 364, 365, 366, 367, 368, 369, 370, 371,
-	372, 373, 374, 377, 419, 420, 0, 375, 376, 383,
-	0, 0, 261, 262, 264, 268, 0, 444, 0, -2,
-	355, 27, 0, 0, 0, 0, 0, 0, 441, 438,
-	0, 0, 409, 0, 0, 0, 0, 463, 24, 0,
-	506, 507, 454, 455, 273, 31, 0, 485, 475, 487,
-	489, 0, 27, 0, 481, 460, 0, 0, 0, 468,
-	315, 167, 0, 0, 0, 74, 0, 61, 0, 60,
-	62, 0, 0, 0, 175, 0, 177, 178, 0, 100,
-	155, 156, 157, 158, 159, 160, 168, 170, 172, 0,
-	94, 153, 0, 166, 166, 131, 0, 132, 133, 134,
-	0, 141, 0, 0, 55, 60, 60, 704, 185, 0,
-	703, 527, 528, 0, 0, 0, 0, 0, 197, 213,
-	230, 238, 239, 219, 357, 211, 474, 338, 340, 342,
-	329, 350, 333, 0, 330, 0, 0, 324, 388, 0,
-	0, 265, 269, 0, 271, 272, 0, 260, 0, -2,
-	391, 392, 0, 0, 0, 0, 460, 0, 439, 0,
-	0, 399, 410, 411, 412, 413, 25, 314, 0, 0,
-	32, 0, 490, -2, 0, 0, 0, 468, 494, 495,
-	444, 36, 0, 0, 704, 83, 84, 81, 82, 0,
-	63, 80, 0, 182, 143, 176, 179, 161, 144, 127,
-	128, 164, 165, 140, 0, 0, 148, 0, 0, 0,
-	51, 705, 706, 186, 187, 188, 0, 190, 191, 192,
-	331, 0, 351, 334, 389, 263, 270, 266, 0, 0,
-	445, 0, 143, 143, 424, 143, 147, 427, 143, 429,
-	143, 432, 0, 0, 0, 436, 398, 442, 0, 456,
-	274, 275, 277, 278, 279, 287, 0, 289, 0, 488,
-	0, -2, 0, 483, 482, 35, 44, 0, 49, 85,
-	173, 0, 184, 142, 0, 0, 56, 64, 65, 57,
-	66, 67, 68, 0, 335, 0, 390, 393, 421, 163,
-	425, 426, 428, 430, 431, 433, 395, 394, 0, 0,
-	0, 440, 458, 0, 0, 0, 0, 0, 294, 0,
-	0, 297, 0, 0, 0, 0, 288, 0, 0, 308,
-	290, 0, 292, 293, 0, 478, 27, 0, 704, 0,
-	0, 0, 183, 146, 149, 189, 267, 422, 423, 414,
-	397, 437, 26, 0, 0, 276, 283, 0, 286, 295,
-	296, 298, 0, 300, 0, 302, 303, 280, 281, 282,
-	0, 0, 0, 291, 486, -2, 484, 47, 45, 0,
-	41, 0, 0, 0, 0, 0, 459, 457, 0, 0,
-	299, 301, 0, 0, 0, 0, 704, 0, 174, 396,
-	0, 0, 0, 284, 285, 0, 0, 0, 42, 48,
-	0, 415, 0, 418, 0, 312, 0, 0, 0, 416,
-	309, 0, 310, 311, 43, 0, 313, 0, 417,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 363,
+	364, 365, 366, 367, 368, 369, 342, 0, 356, 0,
+	0, 0, 398, 399, 400, 401, 402, 0, 280, 0,
+	27, 0, 0, 0, 0, 0, 0, 276, 0, 455,
+	0, 420, 0, 421, 422, 423, 424, 425, 426, 427,
+	0, 280, 0, 0, 0, 484, 486, 487, 492, 30,
+	276, 0, 473, 0, 0, 0, 279, 505, 0, 0,
+	-2, 0, 324, 334, 513, 0, 463, 0, 327, 557,
+	558, 570, 571, 480, 0, 517, 518, 519, 0, 0,
+	0, 0, 91, -2, 94, 96, 97, 98, 99, 100,
+	83, 83, 0, 107, 108, 83, 82, 110, 111, 0,
+	0, 0, 695, 0, 200, 201, 112, 119, 120, 122,
+	123, 124, 125, 126, 127, 128, 175, 0, 0, 183,
+	0, 190, 192, 0, 0, 173, 172, 129, 0, 184,
+	184, 150, 151, 187, 0, 187, 187, 187, 0, 144,
+	145, 146, 138, 0, 139, 140, 141, 0, 142, 50,
+	-2, 77, 0, 531, 0, 0, 0, 723, 544, 0,
+	541, 0, 539, 0, 534, 535, 536, 537, 538, 540,
+	542, 543, 0, 214, 723, 0, 234, 235, 238, 0,
+	0, 252, 257, 243, 0, 511, 723, 0, 337, 338,
+	340, 357, 0, 359, 361, 490, 491, 347, 348, 372,
+	373, 374, 0, 0, 0, 0, 370, 352, 0, 383,
+	384, 385, 386, 387, 388, 389, 390, 391, 392, 393,
+	394, 397, 439, 440, 0, 395, 396, 403, 0, 0,
+	281, 282, 284, 288, 0, 464, 0, -2, 375, 27,
+	0, 0, 0, 0, 0, 0, 461, 458, 0, 0,
+	429, 0, 0, 0, 0, 483, 24, 0, 526, 527,
+	474, 475, 293, 31, 0, 505, 495, 507, 509, 0,
+	27, 0, 501, 480, 0, 0, 0, 488, 335, 188,
+	0, 0, 0, 95, 0, 84, 0, 83, 85, 0,
+	0, 0, 0, 0, 0, 0, 0, 121, 176, 177,
+	178, 179, 180, 181, 189, 191, 193, 0, 115, 174,
+	0, 187, 187, 152, 0, 153, 154, 155, 0, 162,
+	0, 0, 78, 83, 83, 0, 0, 0, 205, 0,
+	723, 547, 548, 0, 0, 0, 0, 0, 217, 233,
+	250, 258, 259, 239, 377, 231, 494, 358, 360, 362,
+	349, 370, 353, 0, 350, 0, 0, 344, 408, 0,
+	0, 285, 289, 0, 291, 292, 0, 280, 0, -2,
+	411, 412, 0, 0, 0, 0, 480, 0, 459, 0,
+	0, 419, 430, 431, 432, 433, 25, 334, 0, 0,
+	32, 0, 510, -2, 0, 0, 0, 488, 514, 515,
+	464, 36, 0, 0, 724, 104, 105, 102, 103, 0,
+	86, 101, 0, 0, 0, 0, 0, 0, 182, 165,
+	148, 149, 185, 186, 161, 0, 0, 169, 0, 0,
+	0, 0, 0, 0, 206, 207, 208, 0, 210, 211,
+	212, 351, 0, 371, 354, 409, 283, 290, 286, 0,
+	0, 465, 0, 164, 164, 444, 164, 168, 447, 164,
+	449, 164, 452, 0, 0, 0, 456, 418, 462, 0,
+	476, 294, 295, 297, 298, 299, 307, 0, 309, 0,
+	508, 0, -2, 0, 503, 502, 35, 44, 0, 49,
+	725, 726, 106, 0, 202, 164, 0, 0, 0, 0,
+	0, 163, 0, 0, 79, 56, 57, 80, 87, 88,
+	89, 0, 0, 0, 0, 355, 0, 410, 413, 441,
+	184, 445, 446, 448, 450, 451, 453, 415, 414, 0,
+	0, 0, 460, 478, 0, 0, 0, 0, 0, 314,
+	0, 0, 317, 0, 0, 0, 0, 308, 0, 0,
+	328, 310, 0, 312, 313, 0, 498, 27, 0, 724,
+	0, 0, 194, 0, 204, 0, 61, 61, 0, 0,
+	167, 170, 61, 65, 69, 209, 287, 442, 443, 434,
+	417, 457, 26, 0, 0, 296, 303, 0, 306, 315,
+	316, 318, 0, 320, 0, 322, 323, 300, 301, 302,
+	0, 0, 0, 311, 506, -2, 504, 47, 45, 0,
+	41, 0, 203, 61, 196, 197, 65, 69, 71, 71,
+	71, 0, 0, 0, 479, 477, 0, 0, 319, 321,
+	0, 0, 0, 0, 724, 0, 195, 62, 63, 64,
+	83, 0, 0, 198, 199, 51, 52, 66, 67, 0,
+	53, 70, 416, 0, 0, 0, 304, 305, 0, 0,
+	0, 42, 48, 0, 0, 60, 58, 54, 55, 72,
+	83, 83, 0, 435, 0, 438, 0, 332, 0, 0,
+	0, 59, 0, 0, 68, 436, 329, 0, 330, 331,
+	43, 73, 74, 0, 333, 0, 437,
 }
 var yyTok1 = [...]int{
 
 	1, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 76, 3, 3, 3, 103, 95, 3,
-	56, 58, 100, 98, 57, 99, 111, 101, 3, 3,
-	3, 3, 3, 3, 3, 3, 3, 3, 3, 238,
-	84, 83, 85, 3, 3, 3, 3, 3, 3, 3,
+	3, 3, 3, 80, 3, 3, 3, 107, 99, 3,
+	60, 62, 104, 102, 61, 103, 115, 105, 3, 3,
+	3, 3, 3, 3, 3, 3, 3, 3, 3, 242,
+	88, 87, 89, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 3, 105, 3, 3, 3, 3, 3,
+	3, 3, 3, 3, 109, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
 	3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
-	3, 3, 3, 3, 94, 3, 106,
+	3, 3, 3, 3, 98, 3, 110,
 }
 var yyTok2 = [...]int{
 
@@ -1857,11 +1925,11 @@ var yyTok2 = [...]int{
 	22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
 	32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
 	42, 43, 44, 45, 46, 47, 48, 49, 50, 51,
-	52, 53, 54, 55, 59, 60, 61, 62, 63, 64,
+	52, 53, 54, 55, 56, 57, 58, 59, 63, 64,
 	65, 66, 67, 68, 69, 70, 71, 72, 73, 74,
-	75, 77, 78, 79, 80, 81, 82, 86, 87, 88,
-	89, 90, 91, 92, 93, 96, 97, 102, 104, 107,
-	108, 109, 110, 112, 113, 114, 115, 116, 117, 118,
+	75, 76, 77, 78, 79, 81, 82, 83, 84, 85,
+	86, 90, 91, 92, 93, 94, 95, 96, 97, 100,
+	101, 106, 108, 111, 112, 113, 114, 116, 117, 118,
 	119, 120, 121, 122, 123, 124, 125, 126, 127, 128,
 	129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
 	139, 140, 141, 142, 143, 144, 145, 146, 147, 148,
@@ -1873,7 +1941,8 @@ var yyTok2 = [...]int{
 	199, 200, 201, 202, 203, 204, 205, 206, 207, 208,
 	209, 210, 211, 212, 213, 214, 215, 216, 217, 218,
 	219, 220, 221, 222, 223, 224, 225, 226, 227, 228,
-	229, 230, 231, 232, 233, 234, 235, 236, 237,
+	229, 230, 231, 232, 233, 234, 235, 236, 237, 238,
+	239, 240, 241,
 }
 var yyTok3 = [...]int{
 	0,
@@ -2218,29 +2287,29 @@ yydefault:
 
 	case 1:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:878
+//line sql.y:896
 		{
 			setParseTree(yylex, yyDollar[1].statement)
 		}
 	case 2:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:884
+//line sql.y:902
 		{
 		}
 	case 3:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:886
+//line sql.y:904
 		{
 		}
 	case 4:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:890
+//line sql.y:908
 		{
 			yyVAL.statement = yyDollar[1].selStmt
 		}
 	case 23:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:914
+//line sql.y:932
 		{
 			sel := yyDollar[1].selStmt.(*Select)
 			sel.OrderBy = yyDollar[2].orderBy
@@ -2250,49 +2319,49 @@ yydefault:
 		}
 	case 24:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:922
+//line sql.y:940
 		{
 			yyVAL.selStmt = &Union{Type: yyDollar[2].str, Left: yyDollar[1].selStmt, Right: yyDollar[3].selStmt, OrderBy: yyDollar[4].orderBy, Limit: yyDollar[5].limit, Lock: yyDollar[6].str}
 		}
 	case 25:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:926
+//line sql.y:944
 		{
 			yyVAL.selStmt = &Select{Comments: Comments(yyDollar[2].bytes2), Cache: yyDollar[3].str, SelectExprs: SelectExprs{Nextval{Expr: yyDollar[5].expr}}, From: TableExprs{&AliasedTableExpr{Expr: yyDollar[7].tableName}}}
 		}
 	case 26:
 		yyDollar = yyS[yypt-10 : yypt+1]
-//line sql.y:933
+//line sql.y:951
 		{
 			yyVAL.selStmt = &Select{Comments: Comments(yyDollar[2].bytes2), Cache: yyDollar[3].str, Distinct: yyDollar[4].str, Hints: yyDollar[5].str, SelectExprs: yyDollar[6].selectExprs, From: yyDollar[7].tableExprs, Where: NewWhere(WhereStr, yyDollar[8].expr), GroupBy: GroupBy(yyDollar[9].exprs), Having: NewWhere(HavingStr, yyDollar[10].expr)}
 		}
 	case 27:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:939
+//line sql.y:957
 		{
 			yyVAL.selStmt = yyDollar[1].selStmt
 		}
 	case 28:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:943
+//line sql.y:961
 		{
 			yyVAL.selStmt = &ParenSelect{Select: yyDollar[2].selStmt}
 		}
 	case 29:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:949
+//line sql.y:967
 		{
 			yyVAL.selStmt = yyDollar[1].selStmt
 		}
 	case 30:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:953
+//line sql.y:971
 		{
 			yyVAL.selStmt = &ParenSelect{Select: yyDollar[2].selStmt}
 		}
 	case 31:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:959
+//line sql.y:977
 		{
 			// insert_data returns a *Insert pre-filled with Columns & Values
 			ins := yyDollar[5].ins
@@ -2305,7 +2374,7 @@ yydefault:
 		}
 	case 32:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:970
+//line sql.y:988
 		{
 			cols := make(Columns, 0, len(yyDollar[6].updateExprs))
 			vals := make(ValTuple, 0, len(yyDollar[7].updateExprs))
@@ -2317,79 +2386,79 @@ yydefault:
 		}
 	case 33:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:982
+//line sql.y:1000
 		{
 			yyVAL.str = InsertStr
 		}
 	case 34:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:986
+//line sql.y:1004
 		{
 			yyVAL.str = ReplaceStr
 		}
 	case 35:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:992
+//line sql.y:1010
 		{
 			yyVAL.statement = &Update{Comments: Comments(yyDollar[2].bytes2), Table: yyDollar[3].tableName, Exprs: yyDollar[5].updateExprs, Where: NewWhere(WhereStr, yyDollar[6].expr), OrderBy: yyDollar[7].orderBy, Limit: yyDollar[8].limit}
 		}
 	case 36:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:998
+//line sql.y:1016
 		{
 			yyVAL.statement = &Delete{Comments: Comments(yyDollar[2].bytes2), Table: yyDollar[4].tableName, Where: NewWhere(WhereStr, yyDollar[5].expr), OrderBy: yyDollar[6].orderBy, Limit: yyDollar[7].limit}
 		}
 	case 37:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1004
+//line sql.y:1022
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Exprs: yyDollar[3].setExprs}
 		}
 	case 38:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1008
+//line sql.y:1026
 		{
 			yyVAL.statement = &Set{Comments: Comments(yyDollar[2].bytes2), Exprs: yyDollar[4].setExprs}
 		}
 	case 39:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1014
+//line sql.y:1032
 		{
 			yyVAL.str = SessionStr
 		}
 	case 40:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1018
+//line sql.y:1036
 		{
 			yyVAL.str = GlobalStr
 		}
 	case 41:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1024
+//line sql.y:1042
 		{
 			yyVAL.partitionDefinitions = []*PartitionDefinition{yyDollar[1].partitionDefinition}
 		}
 	case 42:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1028
+//line sql.y:1046
 		{
 			yyVAL.partitionDefinitions = append(yyDollar[1].partitionDefinitions, yyDollar[3].partitionDefinition)
 		}
 	case 43:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1034
+//line sql.y:1052
 		{
 			yyVAL.partitionDefinition = &PartitionDefinition{Backend: string(yyDollar[2].bytes), Row: yyDollar[5].valTuple}
 		}
 	case 44:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1040
+//line sql.y:1058
 		{
 			yyVAL.optVal = nil
 		}
 	case 45:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1044
+//line sql.y:1062
 		{
 			if string(yyDollar[2].bytes) == "0" {
 				yylex.Error("Number of partitions must be a positive integer")
@@ -2399,7 +2468,7 @@ yydefault:
 		}
 	case 46:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1054
+//line sql.y:1072
 		{
 			yyDollar[1].ddl.Action = CreateTableStr
 			yyDollar[1].ddl.TableSpec = yyDollar[2].TableSpec
@@ -2407,7 +2476,7 @@ yydefault:
 		}
 	case 47:
 		yyDollar = yyS[yypt-10 : yypt+1]
-//line sql.y:1060
+//line sql.y:1078
 		{
 			yyDollar[1].ddl.Action = CreateTableStr
 			yyDollar[1].ddl.TableSpec = yyDollar[2].TableSpec
@@ -2423,7 +2492,7 @@ yydefault:
 		}
 	case 48:
 		yyDollar = yyS[yypt-12 : yypt+1]
-//line sql.y:1074
+//line sql.y:1092
 		{
 			yyDollar[1].ddl.Action = CreateTableStr
 			yyDollar[1].ddl.TableSpec = yyDollar[2].TableSpec
@@ -2434,7 +2503,7 @@ yydefault:
 		}
 	case 49:
 		yyDollar = yyS[yypt-8 : yypt+1]
-//line sql.y:1083
+//line sql.y:1101
 		{
 			yyDollar[1].ddl.Action = CreateTableStr
 			yyDollar[1].ddl.TableSpec = yyDollar[2].TableSpec
@@ -2449,7 +2518,7 @@ yydefault:
 		}
 	case 50:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1096
+//line sql.y:1114
 		{
 			var ifnotexists bool
 			if yyDollar[3].byt != 0 {
@@ -2458,119 +2527,270 @@ yydefault:
 			yyVAL.statement = &DDL{Action: CreateDBStr, IfNotExists: ifnotexists, Database: yyDollar[4].tableIdent, DatabaseOptions: yyDollar[5].databaseOptionListOpt}
 		}
 	case 51:
-		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1104
+		yyDollar = yyS[yypt-11 : yypt+1]
+//line sql.y:1122
 		{
-			// Change this to an alter statement
-			yyVAL.statement = &DDL{Action: CreateIndexStr, IndexName: string(yyDollar[4].bytes), Table: yyDollar[6].tableName, NewName: yyDollar[6].tableName}
+			yyVAL.statement = &DDL{Action: CreateIndexStr, IndexType: yyDollar[2].str, IndexName: string(yyDollar[4].bytes), Table: yyDollar[6].tableName, NewName: yyDollar[6].tableName, IndexOpts: NewIndexOptions(yyDollar[8].indexColumns, append(yyDollar[10].indexOptionList, yyDollar[11].indexOptionList...))}
 		}
 	case 52:
+		yyDollar = yyS[yypt-11 : yypt+1]
+//line sql.y:1126
+		{
+			yyVAL.statement = &DDL{Action: CreateIndexStr, IndexType: FullTextStr, IndexName: string(yyDollar[4].bytes), Table: yyDollar[6].tableName, NewName: yyDollar[6].tableName, IndexOpts: NewIndexOptions(yyDollar[8].indexColumns, append(yyDollar[10].indexOptionList, yyDollar[11].indexOptionList...))}
+		}
+	case 53:
+		yyDollar = yyS[yypt-11 : yypt+1]
+//line sql.y:1130
+		{
+			yyVAL.statement = &DDL{Action: CreateIndexStr, IndexType: SpatialStr, IndexName: string(yyDollar[4].bytes), Table: yyDollar[6].tableName, NewName: yyDollar[6].tableName, IndexOpts: NewIndexOptions(yyDollar[8].indexColumns, append(yyDollar[10].indexOptionList, yyDollar[11].indexOptionList...))}
+		}
+	case 54:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1136
+		{
+			yyVAL.str = "hash"
+		}
+	case 55:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1140
+		{
+			yyVAL.str = "btree"
+		}
+	case 56:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1146
+		{
+			yyVAL.str = string(yyDollar[1].bytes)
+		}
+	case 57:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1150
+		{
+			yyVAL.str = "default"
+		}
+	case 58:
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1156
+		{
+			yyVAL.indexOption = &IndexOption{
+				Type: IndexOptionUsing,
+				Val:  NewStrValWithoutQuote([]byte(yyDollar[2].str)),
+			}
+		}
+	case 59:
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:1165
+		{
+			yyVAL.indexOption = &IndexOption{
+				Type: IndexOptionBlockSize,
+				Val:  NewIntVal(yyDollar[3].bytes),
+			}
+		}
+	case 60:
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1172
+		{
+			yyVAL.indexOption = &IndexOption{
+				Type: IndexOptionComment,
+				Val:  NewStrVal(yyDollar[2].bytes),
+			}
+		}
+	case 61:
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:1180
+		{
+			yyVAL.indexOptionList = []*IndexOption{}
+		}
+	case 62:
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1184
+		{
+			yyVAL.indexOptionList = append(yyDollar[1].indexOptionList, yyDollar[2].indexOption)
+		}
+	case 63:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1190
+		{
+			yyVAL.indexOption = yyDollar[1].indexOption
+		}
+	case 64:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1194
+		{
+			yyVAL.indexOption = yyDollar[1].indexOption
+		}
+	case 65:
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:1199
+		{
+			yyVAL.indexOptionList = []*IndexOption{}
+		}
+	case 66:
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1203
+		{
+			yyVAL.indexOptionList = append(yyDollar[1].indexOptionList, yyDollar[2].indexOption)
+		}
+	case 67:
+		yyDollar = yyS[yypt-1 : yypt+1]
+//line sql.y:1209
+		{
+			yyVAL.indexOption = yyDollar[1].indexOption
+		}
+	case 68:
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:1213
+		{
+			yyVAL.indexOption = &IndexOption{
+				Type: IndexOptionParser,
+				Val:  NewStrValWithoutQuote(yyDollar[3].bytes),
+			}
+		}
+	case 69:
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:1221
+		{
+			yyVAL.indexOptionList = []*IndexOption{}
+		}
+	case 70:
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1225
+		{
+			yyVAL.indexOptionList = append(yyDollar[1].indexOptionList, yyDollar[2].indexOption)
+		}
+	case 71:
+		yyDollar = yyS[yypt-0 : yypt+1]
+//line sql.y:1230
+		{
+			yyVAL.indexOptionList = []*IndexOption{}
+		}
+	case 72:
+		yyDollar = yyS[yypt-2 : yypt+1]
+//line sql.y:1234
+		{
+			yyVAL.indexOptionList = append(yyDollar[1].indexOptionList, yyDollar[2].indexOption)
+		}
+	case 73:
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:1240
+		{
+			if !CheckIndexLock(yyDollar[3].str) {
+				yylex.Error("unknown lock type")
+				return 1
+			}
+			yyVAL.indexOption = &IndexOption{
+				Type: IndexOptionLock,
+				Val:  NewStrValWithoutQuote([]byte(yyDollar[3].str)),
+			}
+		}
+	case 74:
+		yyDollar = yyS[yypt-3 : yypt+1]
+//line sql.y:1251
+		{
+			if !CheckIndexAlgorithm(yyDollar[3].str) {
+				yylex.Error("unknown algorithm type")
+				return 1
+			}
+			yyVAL.indexOption = &IndexOption{
+				Type: IndexOptionAlgorithm,
+				Val:  NewStrValWithoutQuote([]byte(yyDollar[3].str)),
+			}
+		}
+	case 75:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1110
+//line sql.y:1263
 		{
 			yyVAL.databaseOptionListOpt.DBOptList = []*DatabaseOption{}
 		}
-	case 53:
+	case 76:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1114
+//line sql.y:1267
 		{
 			yyVAL.databaseOptionListOpt.DBOptList = yyDollar[1].databaseOptionList
 		}
-	case 54:
+	case 77:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1120
+//line sql.y:1273
 		{
 			yyVAL.databaseOptionList = append(yyVAL.databaseOptionList, yyDollar[1].databaseOption)
 		}
-	case 55:
+	case 78:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1124
+//line sql.y:1277
 		{
 			yyVAL.databaseOptionList = append(yyDollar[1].databaseOptionList, yyDollar[2].databaseOption)
 		}
-	case 56:
+	case 79:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1130
+//line sql.y:1283
 		{
 			yyVAL.databaseOption = &DatabaseOption{
 				CharsetOrCollate: string(yyDollar[2].bytes),
 				Value:            yyDollar[4].str,
 			}
 		}
-	case 57:
+	case 80:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1137
+//line sql.y:1290
 		{
 			yyVAL.databaseOption = &DatabaseOption{
 				CharsetOrCollate: string(yyDollar[2].str),
 				Value:            yyDollar[4].str,
 			}
 		}
-	case 58:
+	case 81:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1145
+//line sql.y:1298
 		{
 		}
-	case 59:
+	case 82:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1147
+//line sql.y:1300
 		{
 		}
-	case 60:
+	case 83:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1150
+//line sql.y:1303
 		{
 		}
-	case 61:
+	case 84:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1152
+//line sql.y:1305
 		{
 		}
-	case 62:
+	case 85:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1156
+//line sql.y:1309
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 63:
+	case 86:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1160
+//line sql.y:1313
 		{
 			yyVAL.str = "character set"
 		}
-	case 64:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1166
-		{
-			yyVAL.str = string(yyDollar[1].bytes)
-		}
-	case 65:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1170
-		{
-			yyVAL.str = "default"
-		}
-	case 66:
+	case 87:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1176
+//line sql.y:1319
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 67:
+	case 88:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1180
+//line sql.y:1323
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 68:
+	case 89:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1184
+//line sql.y:1327
 		{
 			yyVAL.str = "default"
 		}
-	case 69:
+	case 90:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1190
+//line sql.y:1333
 		{
 			var ifnotexists bool
 			if yyDollar[3].byt != 0 {
@@ -2579,9 +2799,9 @@ yydefault:
 			yyVAL.ddl = &DDL{Action: CreateTableStr, IfNotExists: ifnotexists, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 			setDDL(yylex, yyVAL.ddl)
 		}
-	case 70:
+	case 91:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1201
+//line sql.y:1344
 		{
 			yyVAL.TableSpec = yyDollar[2].TableSpec
 
@@ -2607,146 +2827,146 @@ yydefault:
 				yyVAL.TableSpec.Options.Type = NormalTableType
 			}
 		}
-	case 71:
+	case 92:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1228
+//line sql.y:1371
 		{
 			yyVAL.TableOptionListOpt.TblOptList = []*TableOption{}
 		}
-	case 72:
+	case 93:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1232
+//line sql.y:1375
 		{
 			yyVAL.TableOptionListOpt.TblOptList = yyDollar[1].TableOptionList
 		}
-	case 73:
+	case 94:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1238
+//line sql.y:1381
 		{
 			yyVAL.TableOptionList = append(yyVAL.TableOptionList, yyDollar[1].tableOption)
 		}
-	case 74:
+	case 95:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1242
+//line sql.y:1385
 		{
 			yyVAL.TableOptionList = append(yyDollar[1].TableOptionList, yyDollar[2].tableOption)
 		}
-	case 75:
+	case 96:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1248
+//line sql.y:1391
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionComment,
 				Val:  yyDollar[1].optVal,
 			}
 		}
-	case 76:
+	case 97:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1255
+//line sql.y:1398
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionEngine,
 				Val:  yyDollar[1].optVal,
 			}
 		}
-	case 77:
+	case 98:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1262
+//line sql.y:1405
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionCharset,
 				Val:  yyDollar[1].optVal,
 			}
 		}
-	case 78:
+	case 99:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1269
+//line sql.y:1412
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionTableType,
 				Val:  yyDollar[1].optVal,
 			}
 		}
-	case 79:
+	case 100:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1276
+//line sql.y:1419
 		{
 			yyVAL.tableOption = &TableOption{
 				Type: TableOptionAutoInc,
 				Val:  yyDollar[1].optVal,
 			}
 		}
-	case 80:
+	case 101:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1285
+//line sql.y:1428
 		{
 		}
-	case 81:
+	case 102:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1289
+//line sql.y:1432
 		{
 			// Normal str as a identify, without quote
 			yyVAL.optVal = NewStrValWithoutQuote(yyDollar[1].bytes)
 		}
-	case 82:
+	case 103:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1294
+//line sql.y:1437
 		{
 			// Str with Quote, it will be parsed by Lex begin with quote \' or \"
 			yyVAL.optVal = NewStrVal(yyDollar[1].bytes)
 		}
-	case 83:
+	case 104:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1301
+//line sql.y:1444
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[3].bytes)
 		}
-	case 84:
+	case 105:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1307
+//line sql.y:1450
 		{
 			yyVAL.optVal = yyDollar[3].optVal
 		}
-	case 85:
+	case 106:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1313
+//line sql.y:1456
 		{
 			yyVAL.optVal = yyDollar[4].optVal
 		}
-	case 86:
+	case 107:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1319
+//line sql.y:1462
 		{
 			yyVAL.optVal = NewStrValWithoutQuote([]byte(GlobalTableType))
 		}
-	case 87:
+	case 108:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1323
+//line sql.y:1466
 		{
 			yyVAL.optVal = NewStrValWithoutQuote([]byte(SingleTableType))
 		}
-	case 88:
+	case 109:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1329
+//line sql.y:1472
 		{
 			yyVAL.TableSpec = &TableSpec{}
 			yyVAL.TableSpec.AddColumn(yyDollar[1].columnDefinition)
 		}
-	case 89:
+	case 110:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1334
+//line sql.y:1477
 		{
 			yyVAL.TableSpec.AddColumn(yyDollar[3].columnDefinition)
 		}
-	case 90:
+	case 111:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1338
+//line sql.y:1481
 		{
 			yyVAL.TableSpec.AddIndex(yyDollar[3].indexDefinition)
 		}
-	case 91:
+	case 112:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1344
+//line sql.y:1487
 		{
 			yyDollar[2].columnType.NotNull = yyDollar[3].columnOptionListOpt.GetColumnOption(ColumnOptionNotNull).NotNull
 			yyDollar[2].columnType.Autoincrement = yyDollar[3].columnOptionListOpt.GetColumnOption(ColumnOptionAutoincrement).Autoincrement
@@ -2757,651 +2977,681 @@ yydefault:
 			yyDollar[2].columnType.UniqueKeyOpt = yyDollar[3].columnOptionListOpt.GetColumnOption(ColumnOptionKeyUniqueOpt).UniqueKeyOpt
 			yyVAL.columnDefinition = &ColumnDefinition{Name: yyDollar[1].colIdent, Type: yyDollar[2].columnType}
 		}
-	case 92:
+	case 113:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1357
+//line sql.y:1500
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 93:
+	case 114:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1361
+//line sql.y:1504
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 94:
+	case 115:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1367
+//line sql.y:1510
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 			yyVAL.columnType.Unsigned = yyDollar[2].boolVal
 			yyVAL.columnType.Zerofill = yyDollar[3].boolVal
 		}
-	case 97:
+	case 118:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1376
+//line sql.y:1519
 		{
 			yyVAL.columnOptionListOpt.ColOptList = []*ColumnOption{}
 		}
-	case 98:
+	case 119:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1380
+//line sql.y:1523
 		{
 			yyVAL.columnOptionListOpt.ColOptList = yyDollar[1].columnOptionList
 		}
-	case 99:
+	case 120:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1386
+//line sql.y:1529
 		{
 			yyVAL.columnOptionList = append(yyVAL.columnOptionList, yyDollar[1].columnOption)
 		}
-	case 100:
+	case 121:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1390
+//line sql.y:1533
 		{
 			yyVAL.columnOptionList = append(yyDollar[1].columnOptionList, yyDollar[2].columnOption)
 		}
-	case 101:
+	case 122:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1396
+//line sql.y:1539
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:     ColumnOptionNotNull,
 				NotNull: yyDollar[1].boolVal,
 			}
 		}
-	case 102:
+	case 123:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1403
+//line sql.y:1546
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:     ColumnOptionDefault,
 				Default: yyDollar[1].optVal,
 			}
 		}
-	case 103:
+	case 124:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1410
+//line sql.y:1553
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:           ColumnOptionAutoincrement,
 				Autoincrement: yyDollar[1].boolVal,
 			}
 		}
-	case 104:
+	case 125:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1417
+//line sql.y:1560
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:           ColumnOptionKeyPrimaryOpt,
 				PrimaryKeyOpt: yyDollar[1].colPrimaryKeyOpt,
 			}
 		}
-	case 105:
+	case 126:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1424
+//line sql.y:1567
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:          ColumnOptionKeyUniqueOpt,
 				UniqueKeyOpt: yyDollar[1].colUniqueKeyOpt,
 			}
 		}
-	case 106:
+	case 127:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1431
+//line sql.y:1574
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:     ColumnOptionComment,
 				Comment: yyDollar[1].optVal,
 			}
 		}
-	case 107:
+	case 128:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1438
+//line sql.y:1581
 		{
 			yyVAL.columnOption = &ColumnOption{
 				typ:      ColumnOptionOnUpdate,
 				OnUpdate: yyDollar[1].optVal,
 			}
 		}
-	case 108:
+	case 129:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1447
+//line sql.y:1590
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 			yyVAL.columnType.Length = yyDollar[2].optVal
 		}
-	case 109:
+	case 130:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1452
+//line sql.y:1595
 		{
 			yyVAL.columnType = yyDollar[1].columnType
 		}
-	case 110:
+	case 131:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1458
+//line sql.y:1601
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 111:
+	case 132:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1462
+//line sql.y:1605
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 112:
+	case 133:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1466
+//line sql.y:1609
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 113:
+	case 134:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1470
+//line sql.y:1613
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 114:
+	case 135:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1474
+//line sql.y:1617
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 115:
+	case 136:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1478
+//line sql.y:1621
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 116:
+	case 137:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1482
+//line sql.y:1625
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 117:
+	case 138:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1488
+//line sql.y:1631
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 118:
+	case 139:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1494
+//line sql.y:1637
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 119:
+	case 140:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1500
+//line sql.y:1643
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 120:
+	case 141:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1506
+//line sql.y:1649
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 121:
+	case 142:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1512
+//line sql.y:1655
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 			yyVAL.columnType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.columnType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 122:
+	case 143:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1520
+//line sql.y:1663
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 123:
+	case 144:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1524
+//line sql.y:1667
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 124:
+	case 145:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1528
+//line sql.y:1671
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 125:
+	case 146:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1532
+//line sql.y:1675
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 126:
+	case 147:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1536
+//line sql.y:1679
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 127:
+	case 148:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1542
+//line sql.y:1685
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Collate: yyDollar[4].str}
 		}
-	case 128:
+	case 149:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1546
+//line sql.y:1689
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Collate: yyDollar[4].str}
 		}
-	case 129:
+	case 150:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1550
+//line sql.y:1693
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 130:
+	case 151:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1554
+//line sql.y:1697
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 131:
+	case 152:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1558
+//line sql.y:1701
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
-	case 132:
+	case 153:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1562
+//line sql.y:1705
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
-	case 133:
+	case 154:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1566
+//line sql.y:1709
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
-	case 134:
+	case 155:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1570
+//line sql.y:1713
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), Charset: yyDollar[2].str, Collate: yyDollar[3].str}
 		}
-	case 135:
+	case 156:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1574
+//line sql.y:1717
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 136:
+	case 157:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1578
+//line sql.y:1721
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 137:
+	case 158:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1582
+//line sql.y:1725
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 138:
+	case 159:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1586
+//line sql.y:1729
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 139:
+	case 160:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1590
+//line sql.y:1733
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes)}
 		}
-	case 140:
+	case 161:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1594
+//line sql.y:1737
 		{
 			yyVAL.columnType = ColumnType{Type: string(yyDollar[1].bytes), EnumValues: yyDollar[3].strs}
 		}
-	case 141:
+	case 162:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1600
+//line sql.y:1743
 		{
 			yyVAL.strs = make([]string, 0, 4)
 			yyVAL.strs = append(yyVAL.strs, "'"+string(yyDollar[1].bytes)+"'")
 		}
-	case 142:
+	case 163:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1605
+//line sql.y:1748
 		{
 			yyVAL.strs = append(yyDollar[1].strs, "'"+string(yyDollar[3].bytes)+"'")
 		}
-	case 143:
+	case 164:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1610
+//line sql.y:1753
 		{
 			yyVAL.optVal = nil
 		}
-	case 144:
+	case 165:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1614
+//line sql.y:1757
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
 		}
-	case 145:
+	case 166:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1619
+//line sql.y:1762
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{}
 		}
-	case 146:
+	case 167:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1623
+//line sql.y:1766
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
 				Scale:  NewIntVal(yyDollar[4].bytes),
 			}
 		}
-	case 147:
+	case 168:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1631
+//line sql.y:1774
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{}
 		}
-	case 148:
+	case 169:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1635
+//line sql.y:1778
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
 			}
 		}
-	case 149:
+	case 170:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1641
+//line sql.y:1784
 		{
 			yyVAL.LengthScaleOption = LengthScaleOption{
 				Length: NewIntVal(yyDollar[2].bytes),
 				Scale:  NewIntVal(yyDollar[4].bytes),
 			}
 		}
-	case 150:
+	case 171:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1649
+//line sql.y:1792
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 151:
+	case 172:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1653
+//line sql.y:1796
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 152:
+	case 173:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1658
+//line sql.y:1801
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 153:
+	case 174:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1662
+//line sql.y:1805
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 154:
+	case 175:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1669
+//line sql.y:1812
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 155:
+	case 176:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1673
+//line sql.y:1816
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 156:
+	case 177:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1679
+//line sql.y:1822
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
 		}
-	case 157:
+	case 178:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1683
+//line sql.y:1826
 		{
 			yyVAL.optVal = NewIntVal(yyDollar[2].bytes)
 		}
-	case 158:
+	case 179:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1687
+//line sql.y:1830
 		{
 			yyVAL.optVal = NewFloatVal(yyDollar[2].bytes)
 		}
-	case 159:
+	case 180:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1691
+//line sql.y:1834
 		{
 			yyVAL.optVal = NewValArg(yyDollar[2].bytes)
 		}
-	case 160:
+	case 181:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1695
+//line sql.y:1838
 		{
 			yyVAL.optVal = NewValArg(yyDollar[2].bytes)
 		}
-	case 161:
+	case 182:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1701
+//line sql.y:1844
 		{
 			yyVAL.optVal = NewValArg(yyDollar[3].bytes)
 		}
-	case 162:
+	case 183:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1707
+//line sql.y:1850
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 163:
+	case 184:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1712
+//line sql.y:1855
 		{
 			yyVAL.str = ""
 		}
-	case 164:
+	case 185:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1716
+//line sql.y:1859
 		{
 			yyVAL.str = string(yyDollar[3].bytes)
 		}
-	case 165:
+	case 186:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1720
+//line sql.y:1863
 		{
 			yyVAL.str = string(yyDollar[3].bytes)
 		}
-	case 166:
+	case 187:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:1725
+//line sql.y:1868
 		{
 			yyVAL.str = ""
 		}
-	case 167:
+	case 188:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1729
+//line sql.y:1872
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
-	case 168:
+	case 189:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1735
+//line sql.y:1878
 		{
 			yyVAL.colPrimaryKeyOpt = ColKeyPrimary
 		}
-	case 169:
+	case 190:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1739
+//line sql.y:1882
 		{
 			// KEY is normally a synonym for INDEX. The key attribute PRIMARY KEY
 			// can also be specified as just KEY when given in a column definition.
 			// See http://dev.mysql.com/doc/refman/5.7/en/create-table.html
 			yyVAL.colPrimaryKeyOpt = ColKeyPrimary
 		}
-	case 170:
+	case 191:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1748
+//line sql.y:1891
 		{
 			yyVAL.colUniqueKeyOpt = ColKeyUniqueKey
 		}
-	case 171:
+	case 192:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1752
+//line sql.y:1895
 		{
 			yyVAL.colUniqueKeyOpt = ColKeyUniqueKey
 		}
-	case 172:
+	case 193:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1758
+//line sql.y:1901
 		{
 			yyVAL.optVal = NewStrVal(yyDollar[2].bytes)
 		}
-	case 173:
-		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1764
-		{
-			yyVAL.indexDefinition = &IndexDefinition{Info: yyDollar[1].indexInfo, Columns: yyDollar[3].indexColumns}
+	case 194:
+		yyDollar = yyS[yypt-5 : yypt+1]
+//line sql.y:1907
+		{
+			yyVAL.indexDefinition = &IndexDefinition{
+				Type:    string(yyDollar[1].bytes) + " " + string(yyDollar[2].bytes),
+				Name:    NewColIdent("PRIMARY"),
+				Opts:    NewIndexOptions(yyDollar[4].indexColumns, nil),
+				Primary: true,
+				Unique:  true,
+			}
 		}
-	case 174:
+	case 195:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1768
-		{
-			yyVAL.indexDefinition = &IndexDefinition{Info: yyDollar[1].indexInfo, Columns: yyDollar[3].indexColumns}
-		}
-	case 175:
-		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1774
-		{
-			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].bytes), Name: NewColIdent("PRIMARY"), Primary: true, Unique: true}
+//line sql.y:1917
+		{
+			yyVAL.indexDefinition = &IndexDefinition{
+				Type:    string(yyDollar[1].bytes) + " " + string(yyDollar[2].str),
+				Name:    NewColIdent(string(yyDollar[3].bytes)),
+				Opts:    NewIndexOptions(yyDollar[5].indexColumns, yyDollar[7].indexOptionList),
+				Primary: false,
+				Unique:  true,
+			}
 		}
-	case 176:
-		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1778
-		{
-			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].str), Name: NewColIdent(string(yyDollar[3].bytes)), Primary: false, Unique: true}
+	case 196:
+		yyDollar = yyS[yypt-6 : yypt+1]
+//line sql.y:1927
+		{
+			yyVAL.indexDefinition = &IndexDefinition{
+				Type:    string(yyDollar[1].bytes),
+				Name:    NewColIdent(string(yyDollar[2].bytes)),
+				Opts:    NewIndexOptions(yyDollar[4].indexColumns, yyDollar[6].indexOptionList),
+				Primary: false,
+				Unique:  true,
+			}
 		}
-	case 177:
-		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1782
+	case 197:
+		yyDollar = yyS[yypt-6 : yypt+1]
+//line sql.y:1937
 		{
-			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes), Name: NewColIdent(string(yyDollar[2].bytes)), Primary: false, Unique: true}
+			yyVAL.indexDefinition = &IndexDefinition{
+				Type:    string(yyDollar[1].str),
+				Name:    NewColIdent(string(yyDollar[2].bytes)),
+				Opts:    NewIndexOptions(yyDollar[4].indexColumns, yyDollar[6].indexOptionList),
+				Primary: false,
+				Unique:  false,
+			}
 		}
-	case 178:
-		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1786
+	case 198:
+		yyDollar = yyS[yypt-7 : yypt+1]
+//line sql.y:1947
 		{
-			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].str), Name: NewColIdent(string(yyDollar[2].bytes)), Primary: false, Unique: false}
+			yyVAL.indexDefinition = &IndexDefinition{
+				Type:    string(yyDollar[1].bytes) + " " + string(yyDollar[2].str),
+				Name:    NewColIdent(string(yyDollar[3].bytes)),
+				Opts:    NewIndexOptions(yyDollar[5].indexColumns, yyDollar[7].indexOptionList),
+				Primary: false,
+				Unique:  false,
+			}
 		}
-	case 179:
-		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1790
-		{
-			yyVAL.indexInfo = &IndexInfo{Type: string(yyDollar[1].bytes) + " " + string(yyDollar[2].str), Name: NewColIdent(string(yyDollar[3].bytes)), Primary: false, Unique: false, Fulltext: true}
+	case 199:
+		yyDollar = yyS[yypt-7 : yypt+1]
+//line sql.y:1957
+		{
+			yyVAL.indexDefinition = &IndexDefinition{
+				Type:    string(yyDollar[1].bytes) + " " + string(yyDollar[2].str),
+				Name:    NewColIdent(string(yyDollar[3].bytes)),
+				Opts:    NewIndexOptions(yyDollar[5].indexColumns, yyDollar[7].indexOptionList),
+				Primary: false,
+				Unique:  false,
+			}
 		}
-	case 180:
+	case 200:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1796
+//line sql.y:1969
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 181:
+	case 201:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1800
+//line sql.y:1973
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 182:
+	case 202:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1806
+//line sql.y:1979
 		{
 			yyVAL.indexColumns = []*IndexColumn{yyDollar[1].indexColumn}
 		}
-	case 183:
+	case 203:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1810
+//line sql.y:1983
 		{
 			yyVAL.indexColumns = append(yyVAL.indexColumns, yyDollar[3].indexColumn)
 		}
-	case 184:
+	case 204:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1816
+//line sql.y:1989
 		{
 			yyVAL.indexColumn = &IndexColumn{Column: yyDollar[1].colIdent, Length: yyDollar[2].optVal}
 		}
-	case 185:
+	case 205:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1822
+//line sql.y:1995
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
-	case 186:
+	case 206:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1826
+//line sql.y:1999
 		{
 			// Change this to a rename statement
 			yyVAL.statement = &DDL{Action: RenameStr, Table: yyDollar[4].tableName, NewName: yyDollar[7].tableName}
 		}
-	case 187:
+	case 207:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1831
+//line sql.y:2004
 		{
 			// Rename an index can just be an alter
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName}
 		}
-	case 188:
+	case 208:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1836
+//line sql.y:2009
 		{
 			yyVAL.statement = &DDL{Action: AlterEngineStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, Engine: string(yyDollar[7].bytes)}
 		}
-	case 189:
+	case 209:
 		yyDollar = yyS[yypt-9 : yypt+1]
-//line sql.y:1840
+//line sql.y:2013
 		{
 			yyVAL.statement = &DDL{Action: AlterCharsetStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, Charset: string(yyDollar[9].bytes)}
 		}
-	case 190:
+	case 210:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1844
+//line sql.y:2017
 		{
 			yyVAL.statement = &DDL{Action: AlterAddColumnStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, TableSpec: yyDollar[7].TableSpec}
 		}
-	case 191:
+	case 211:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1848
+//line sql.y:2021
 		{
 			yyVAL.statement = &DDL{Action: AlterDropColumnStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, DropColumnName: string(yyDollar[7].bytes)}
 		}
-	case 192:
+	case 212:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:1852
+//line sql.y:2025
 		{
 			yyVAL.statement = &DDL{Action: AlterModifyColumnStr, Table: yyDollar[4].tableName, NewName: yyDollar[4].tableName, ModifyColumnDef: yyDollar[7].columnDefinition}
 		}
-	case 193:
+	case 213:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1858
+//line sql.y:2031
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -3409,16 +3659,16 @@ yydefault:
 			}
 			yyVAL.statement = &DDL{Action: DropTableStr, Tables: yyDollar[4].tableNames, IfExists: exists}
 		}
-	case 194:
+	case 214:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1866
+//line sql.y:2039
 		{
 			// Change this to an alter statement
 			yyVAL.statement = &DDL{Action: DropIndexStr, IndexName: string(yyDollar[3].bytes), Table: yyDollar[5].tableName, NewName: yyDollar[5].tableName}
 		}
-	case 195:
+	case 215:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1871
+//line sql.y:2044
 		{
 			var exists bool
 			if yyDollar[3].byt != 0 {
@@ -3426,628 +3676,628 @@ yydefault:
 			}
 			yyVAL.statement = &DDL{Action: DropDBStr, Database: yyDollar[4].tableIdent, IfExists: exists}
 		}
-	case 196:
+	case 216:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:1881
+//line sql.y:2054
 		{
 			yyVAL.tableNames = TableNames{yyDollar[1].tableName}
 		}
-	case 197:
+	case 217:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1885
+//line sql.y:2058
 		{
 			yyVAL.tableNames = append(yyVAL.tableNames, yyDollar[3].tableName)
 		}
-	case 198:
+	case 218:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1891
+//line sql.y:2064
 		{
 			yyVAL.statement = &DDL{Action: TruncateTableStr, Table: yyDollar[3].tableName, NewName: yyDollar[3].tableName}
 		}
-	case 199:
+	case 219:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1897
+//line sql.y:2070
 		{
 			yyVAL.statement = &DDL{Action: AlterStr, Table: yyDollar[3].tableName, NewName: yyDollar[3].tableName}
 		}
-	case 200:
+	case 220:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1903
+//line sql.y:2076
 		{
 			yyVAL.statement = &Xa{}
 		}
-	case 201:
+	case 221:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1909
+//line sql.y:2082
 		{
 			yyVAL.statement = &Explain{}
 		}
-	case 202:
+	case 222:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1915
+//line sql.y:2088
 		{
 			yyVAL.statement = &Kill{QueryID: &NumVal{raw: string(yyDollar[2].bytes)}}
 		}
-	case 203:
+	case 223:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1919
+//line sql.y:2092
 		{
 			yyVAL.statement = &Kill{QueryID: &NumVal{raw: string(yyDollar[3].bytes)}}
 		}
-	case 204:
+	case 224:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1925
+//line sql.y:2098
 		{
 			yyVAL.statement = &Transaction{Action: BeginTxnStr}
 		}
-	case 205:
+	case 225:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1929
+//line sql.y:2102
 		{
 			yyVAL.statement = &Transaction{Action: StartTxnStr}
 		}
-	case 206:
+	case 226:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1933
+//line sql.y:2106
 		{
 			yyVAL.statement = &Transaction{Action: RollbackTxnStr}
 		}
-	case 207:
+	case 227:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:1937
+//line sql.y:2110
 		{
 			yyVAL.statement = &Transaction{Action: CommitTxnStr}
 		}
-	case 208:
+	case 228:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1943
+//line sql.y:2116
 		{
 			yyVAL.statement = &Radon{Action: AttachStr, Row: yyDollar[3].valTuple}
 		}
-	case 209:
+	case 229:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:1947
+//line sql.y:2120
 		{
 			yyVAL.statement = &Radon{Action: DetachStr, Row: yyDollar[3].valTuple}
 		}
-	case 210:
+	case 230:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1951
+//line sql.y:2124
 		{
 			yyVAL.statement = &Radon{Action: AttachListStr}
 		}
-	case 211:
+	case 231:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1955
+//line sql.y:2128
 		{
 			yyVAL.statement = &Radon{Action: ReshardStr, Table: yyDollar[3].tableName, NewName: yyDollar[5].tableName}
 		}
-	case 212:
+	case 232:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1959
+//line sql.y:2132
 		{
 			yyVAL.statement = &Radon{Action: CleanupStr}
 		}
-	case 213:
+	case 233:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1965
+//line sql.y:2138
 		{
 			yyVAL.statement = &Show{Type: ShowBinlogEventsStr, From: yyDollar[4].str, Limit: yyDollar[5].limit}
 		}
-	case 214:
+	case 234:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1969
+//line sql.y:2142
 		{
 			yyVAL.statement = &Show{Type: ShowCreateTableStr, Table: yyDollar[4].tableName}
 		}
-	case 215:
+	case 235:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1973
+//line sql.y:2146
 		{
 			yyVAL.statement = &Show{Type: ShowCreateDatabaseStr, Database: yyDollar[4].tableName}
 		}
-	case 216:
+	case 236:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1977
+//line sql.y:2150
 		{
 			yyVAL.statement = &Show{Type: ShowDatabasesStr}
 		}
-	case 217:
+	case 237:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1981
+//line sql.y:2154
 		{
 			yyVAL.statement = &Show{Type: ShowEnginesStr}
 		}
-	case 218:
+	case 238:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:1985
+//line sql.y:2158
 		{
 			yyVAL.statement = &Show{Full: yyDollar[2].str, Type: ShowTablesStr, Database: yyDollar[4].tableName, Filter: yyDollar[5].showFilter}
 		}
-	case 219:
+	case 239:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:1989
+//line sql.y:2162
 		{
 			yyVAL.statement = &Show{Full: yyDollar[2].str, Type: ShowColumnsStr, Table: yyDollar[5].tableName, Filter: yyDollar[6].showFilter}
 		}
-	case 220:
+	case 240:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1993
+//line sql.y:2166
 		{
 			yyVAL.statement = &Show{Type: ShowProcesslistStr}
 		}
-	case 221:
+	case 241:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:1997
+//line sql.y:2170
 		{
 			yyVAL.statement = &Show{Type: ShowQueryzStr}
 		}
-	case 222:
+	case 242:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2001
+//line sql.y:2174
 		{
 			yyVAL.statement = &Show{Type: ShowStatusStr}
 		}
-	case 223:
+	case 243:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2005
+//line sql.y:2178
 		{
 			yyVAL.statement = &Show{Type: ShowTableStatusStr, Database: yyDollar[4].tableName}
 		}
-	case 224:
+	case 244:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2009
+//line sql.y:2182
 		{
 			yyVAL.statement = &Show{Type: ShowTxnzStr}
 		}
-	case 225:
+	case 245:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2013
+//line sql.y:2186
 		{
 			yyVAL.statement = &Show{Type: ShowVariablesStr}
 		}
-	case 226:
+	case 246:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2017
+//line sql.y:2190
 		{
 			yyVAL.statement = &Show{Type: ShowVersionsStr}
 		}
-	case 227:
+	case 247:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2021
+//line sql.y:2194
 		{
 			yyVAL.statement = &Show{Type: ShowWarningsStr}
 		}
-	case 228:
+	case 248:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2025
+//line sql.y:2198
 		{
 			yyVAL.statement = &Show{Type: ShowUnsupportedStr}
 		}
-	case 229:
+	case 249:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2030
+//line sql.y:2203
 		{
 			yyVAL.str = ""
 		}
-	case 230:
+	case 250:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2034
+//line sql.y:2207
 		{
 			yyVAL.str = string(yyDollar[3].bytes)
 		}
-	case 231:
+	case 251:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2039
+//line sql.y:2212
 		{
 			yyVAL.tableName = TableName{}
 		}
-	case 232:
+	case 252:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2043
+//line sql.y:2216
 		{
 			yyVAL.tableName = yyDollar[2].tableName
 		}
-	case 233:
+	case 253:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2049
+//line sql.y:2222
 		{
 			yyVAL.str = ""
 		}
-	case 234:
+	case 254:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2053
+//line sql.y:2226
 		{
 			yyVAL.str = "full "
 		}
-	case 235:
+	case 255:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2059
+//line sql.y:2232
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 236:
+	case 256:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2063
+//line sql.y:2236
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 237:
+	case 257:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2069
+//line sql.y:2242
 		{
 			yyVAL.showFilter = nil
 		}
-	case 238:
+	case 258:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2073
+//line sql.y:2246
 		{
 			yyVAL.showFilter = &ShowFilter{Like: string(yyDollar[2].bytes)}
 		}
-	case 239:
+	case 259:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2077
+//line sql.y:2250
 		{
 			yyVAL.showFilter = &ShowFilter{Filter: yyDollar[2].expr}
 		}
-	case 240:
+	case 260:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2083
+//line sql.y:2256
 		{
 			yyVAL.statement = &Checksum{Table: yyDollar[3].tableName}
 		}
-	case 241:
+	case 261:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2089
+//line sql.y:2262
 		{
 			yyVAL.statement = &Use{DBName: yyDollar[2].tableIdent}
 		}
-	case 242:
+	case 262:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2095
+//line sql.y:2268
 		{
 			yyVAL.statement = &OtherRead{}
 		}
-	case 243:
+	case 263:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2099
+//line sql.y:2272
 		{
 			yyVAL.statement = &OtherRead{}
 		}
-	case 244:
+	case 264:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2103
+//line sql.y:2276
 		{
 			yyVAL.statement = &OtherAdmin{}
 		}
-	case 245:
+	case 265:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2107
+//line sql.y:2280
 		{
 			yyVAL.statement = &OtherAdmin{}
 		}
-	case 246:
+	case 266:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2112
+//line sql.y:2285
 		{
 			setAllowComments(yylex, true)
 		}
-	case 247:
+	case 267:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2115
+//line sql.y:2288
 		{
 			yyVAL.bytes2 = yyDollar[2].bytes2
 			setAllowComments(yylex, false)
 		}
-	case 248:
+	case 268:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2121
+//line sql.y:2294
 		{
 			yyVAL.bytes2 = nil
 		}
-	case 249:
+	case 269:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2125
+//line sql.y:2298
 		{
 			yyVAL.bytes2 = append(yyDollar[1].bytes2, yyDollar[2].bytes)
 		}
-	case 250:
+	case 270:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2131
+//line sql.y:2304
 		{
 			yyVAL.str = UnionStr
 		}
-	case 251:
+	case 271:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2135
+//line sql.y:2308
 		{
 			yyVAL.str = UnionAllStr
 		}
-	case 252:
+	case 272:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2139
+//line sql.y:2312
 		{
 			yyVAL.str = UnionDistinctStr
 		}
-	case 253:
+	case 273:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2144
+//line sql.y:2317
 		{
 			yyVAL.str = ""
 		}
-	case 254:
+	case 274:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2148
+//line sql.y:2321
 		{
 			yyVAL.str = SQLNoCacheStr
 		}
-	case 255:
+	case 275:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2152
+//line sql.y:2325
 		{
 			yyVAL.str = SQLCacheStr
 		}
-	case 256:
+	case 276:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2157
+//line sql.y:2330
 		{
 			yyVAL.str = ""
 		}
-	case 257:
+	case 277:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2161
+//line sql.y:2334
 		{
 			yyVAL.str = DistinctStr
 		}
-	case 258:
+	case 278:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2166
+//line sql.y:2339
 		{
 			yyVAL.str = ""
 		}
-	case 259:
+	case 279:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2170
+//line sql.y:2343
 		{
 			yyVAL.str = StraightJoinHint
 		}
-	case 260:
+	case 280:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2175
+//line sql.y:2348
 		{
 			yyVAL.selectExprs = nil
 		}
-	case 261:
+	case 281:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2179
+//line sql.y:2352
 		{
 			yyVAL.selectExprs = yyDollar[1].selectExprs
 		}
-	case 262:
+	case 282:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2185
+//line sql.y:2358
 		{
 			yyVAL.selectExprs = SelectExprs{yyDollar[1].selectExpr}
 		}
-	case 263:
+	case 283:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2189
+//line sql.y:2362
 		{
 			yyVAL.selectExprs = append(yyVAL.selectExprs, yyDollar[3].selectExpr)
 		}
-	case 264:
+	case 284:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2195
+//line sql.y:2368
 		{
 			yyVAL.selectExpr = &StarExpr{}
 		}
-	case 265:
+	case 285:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2199
+//line sql.y:2372
 		{
 			yyVAL.selectExpr = &AliasedExpr{Expr: yyDollar[1].expr, As: yyDollar[2].colIdent}
 		}
-	case 266:
+	case 286:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2203
+//line sql.y:2376
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Name: yyDollar[1].tableIdent}}
 		}
-	case 267:
+	case 287:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2207
+//line sql.y:2380
 		{
 			yyVAL.selectExpr = &StarExpr{TableName: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}}
 		}
-	case 268:
+	case 288:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2212
+//line sql.y:2385
 		{
 			yyVAL.colIdent = ColIdent{}
 		}
-	case 269:
+	case 289:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2216
+//line sql.y:2389
 		{
 			yyVAL.colIdent = yyDollar[1].colIdent
 		}
-	case 270:
+	case 290:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2220
+//line sql.y:2393
 		{
 			yyVAL.colIdent = yyDollar[2].colIdent
 		}
-	case 272:
+	case 292:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2227
+//line sql.y:2400
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 273:
+	case 293:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2232
+//line sql.y:2405
 		{
 			yyVAL.tableExprs = TableExprs{&AliasedTableExpr{Expr: TableName{Name: NewTableIdent("dual")}}}
 		}
-	case 274:
+	case 294:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2236
+//line sql.y:2409
 		{
 			yyVAL.tableExprs = yyDollar[2].tableExprs
 		}
-	case 275:
+	case 295:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2242
+//line sql.y:2415
 		{
 			yyVAL.tableExprs = TableExprs{yyDollar[1].tableExpr}
 		}
-	case 276:
+	case 296:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2246
+//line sql.y:2419
 		{
 			yyVAL.tableExprs = append(yyVAL.tableExprs, yyDollar[3].tableExpr)
 		}
-	case 279:
+	case 299:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2256
+//line sql.y:2429
 		{
 			yyVAL.tableExpr = yyDollar[1].aliasedTableName
 		}
-	case 280:
+	case 300:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2260
+//line sql.y:2433
 		{
 			yyVAL.tableExpr = &AliasedTableExpr{Expr: yyDollar[1].subquery, As: yyDollar[3].tableIdent}
 		}
-	case 281:
+	case 301:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2264
+//line sql.y:2437
 		{
 			yyVAL.tableExpr = &ParenTableExpr{Exprs: yyDollar[2].tableExprs}
 		}
-	case 282:
+	case 302:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2270
+//line sql.y:2443
 		{
 			yyVAL.aliasedTableName = &AliasedTableExpr{Expr: yyDollar[1].tableName, As: yyDollar[2].tableIdent, Hints: yyDollar[3].indexHints}
 		}
-	case 283:
+	case 303:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2283
+//line sql.y:2456
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr}
 		}
-	case 284:
+	case 304:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2287
+//line sql.y:2460
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, On: yyDollar[5].expr}
 		}
-	case 285:
+	case 305:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2291
+//line sql.y:2464
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr, On: yyDollar[5].expr}
 		}
-	case 286:
+	case 306:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2295
+//line sql.y:2468
 		{
 			yyVAL.tableExpr = &JoinTableExpr{LeftExpr: yyDollar[1].tableExpr, Join: yyDollar[2].str, RightExpr: yyDollar[3].tableExpr}
 		}
-	case 287:
+	case 307:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2300
+//line sql.y:2473
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 288:
+	case 308:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2304
+//line sql.y:2477
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 289:
+	case 309:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2309
+//line sql.y:2482
 		{
 			yyVAL.tableIdent = NewTableIdent("")
 		}
-	case 290:
+	case 310:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2313
+//line sql.y:2486
 		{
 			yyVAL.tableIdent = yyDollar[1].tableIdent
 		}
-	case 291:
+	case 311:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2317
+//line sql.y:2490
 		{
 			yyVAL.tableIdent = yyDollar[2].tableIdent
 		}
-	case 293:
+	case 313:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2324
+//line sql.y:2497
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 294:
+	case 314:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2330
+//line sql.y:2503
 		{
 			yyVAL.str = JoinStr
 		}
-	case 295:
+	case 315:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2334
+//line sql.y:2507
 		{
 			yyVAL.str = JoinStr
 		}
-	case 296:
+	case 316:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2338
+//line sql.y:2511
 		{
 			yyVAL.str = JoinStr
 		}
-	case 297:
+	case 317:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2342
+//line sql.y:2515
 		{
 			yyVAL.str = StraightJoinStr
 		}
-	case 298:
+	case 318:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2348
+//line sql.y:2521
 		{
 			yyVAL.str = LeftJoinStr
 		}
-	case 299:
+	case 319:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2352
+//line sql.y:2525
 		{
 			yyVAL.str = LeftJoinStr
 		}
-	case 300:
+	case 320:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2356
+//line sql.y:2529
 		{
 			yyVAL.str = RightJoinStr
 		}
-	case 301:
+	case 321:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2360
+//line sql.y:2533
 		{
 			yyVAL.str = RightJoinStr
 		}
-	case 302:
+	case 322:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2366
+//line sql.y:2539
 		{
 			yyVAL.str = NaturalJoinStr
 		}
-	case 303:
+	case 323:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2370
+//line sql.y:2543
 		{
 			if yyDollar[2].str == LeftJoinStr {
 				yyVAL.str = NaturalLeftJoinStr
@@ -4055,459 +4305,459 @@ yydefault:
 				yyVAL.str = NaturalRightJoinStr
 			}
 		}
-	case 304:
+	case 324:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2380
+//line sql.y:2553
 		{
 			yyVAL.tableName = yyDollar[2].tableName
 		}
-	case 305:
+	case 325:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2384
+//line sql.y:2557
 		{
 			yyVAL.tableName = yyDollar[1].tableName
 		}
-	case 306:
+	case 326:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2390
+//line sql.y:2563
 		{
 			yyVAL.tableName = TableName{Name: yyDollar[1].tableIdent}
 		}
-	case 307:
+	case 327:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2394
+//line sql.y:2567
 		{
 			yyVAL.tableName = TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}
 		}
-	case 308:
+	case 328:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2399
+//line sql.y:2572
 		{
 			yyVAL.indexHints = nil
 		}
-	case 309:
+	case 329:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2403
+//line sql.y:2576
 		{
 			yyVAL.indexHints = &IndexHints{Type: UseStr, Indexes: yyDollar[4].colIdents}
 		}
-	case 310:
+	case 330:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2407
+//line sql.y:2580
 		{
 			yyVAL.indexHints = &IndexHints{Type: IgnoreStr, Indexes: yyDollar[4].colIdents}
 		}
-	case 311:
+	case 331:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2411
+//line sql.y:2584
 		{
 			yyVAL.indexHints = &IndexHints{Type: ForceStr, Indexes: yyDollar[4].colIdents}
 		}
-	case 312:
+	case 332:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2417
+//line sql.y:2590
 		{
 			yyVAL.colIdents = []ColIdent{yyDollar[1].colIdent}
 		}
-	case 313:
+	case 333:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2421
+//line sql.y:2594
 		{
 			yyVAL.colIdents = append(yyDollar[1].colIdents, yyDollar[3].colIdent)
 		}
-	case 314:
+	case 334:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2426
+//line sql.y:2599
 		{
 			yyVAL.expr = nil
 		}
-	case 315:
+	case 335:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2430
+//line sql.y:2603
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 316:
+	case 336:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2436
+//line sql.y:2609
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 317:
+	case 337:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2440
+//line sql.y:2613
 		{
 			yyVAL.expr = &AndExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
-	case 318:
+	case 338:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2444
+//line sql.y:2617
 		{
 			yyVAL.expr = &OrExpr{Left: yyDollar[1].expr, Right: yyDollar[3].expr}
 		}
-	case 319:
+	case 339:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2448
+//line sql.y:2621
 		{
 			yyVAL.expr = &NotExpr{Expr: yyDollar[2].expr}
 		}
-	case 320:
+	case 340:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2452
+//line sql.y:2625
 		{
 			yyVAL.expr = &IsExpr{Operator: yyDollar[3].str, Expr: yyDollar[1].expr}
 		}
-	case 321:
+	case 341:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2456
+//line sql.y:2629
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 322:
+	case 342:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2460
+//line sql.y:2633
 		{
 			yyVAL.expr = &Default{ColName: yyDollar[2].str}
 		}
-	case 323:
+	case 343:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2466
+//line sql.y:2639
 		{
 			yyVAL.str = ""
 		}
-	case 324:
+	case 344:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2470
+//line sql.y:2643
 		{
 			yyVAL.str = string(yyDollar[2].bytes)
 		}
-	case 325:
+	case 345:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2476
+//line sql.y:2649
 		{
 			yyVAL.boolVal = BoolVal(true)
 		}
-	case 326:
+	case 346:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2480
+//line sql.y:2653
 		{
 			yyVAL.boolVal = BoolVal(false)
 		}
-	case 327:
+	case 347:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2486
+//line sql.y:2659
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: yyDollar[2].str, Right: yyDollar[3].expr}
 		}
-	case 328:
+	case 348:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2490
+//line sql.y:2663
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: InStr, Right: yyDollar[3].colTuple}
 		}
-	case 329:
+	case 349:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2494
+//line sql.y:2667
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotInStr, Right: yyDollar[4].colTuple}
 		}
-	case 330:
+	case 350:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2498
+//line sql.y:2671
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: LikeStr, Right: yyDollar[3].expr, Escape: yyDollar[4].expr}
 		}
-	case 331:
+	case 351:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2502
+//line sql.y:2675
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotLikeStr, Right: yyDollar[4].expr, Escape: yyDollar[5].expr}
 		}
-	case 332:
+	case 352:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2506
+//line sql.y:2679
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: RegexpStr, Right: yyDollar[3].expr}
 		}
-	case 333:
+	case 353:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2510
+//line sql.y:2683
 		{
 			yyVAL.expr = &ComparisonExpr{Left: yyDollar[1].expr, Operator: NotRegexpStr, Right: yyDollar[4].expr}
 		}
-	case 334:
+	case 354:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2514
+//line sql.y:2687
 		{
 			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: BetweenStr, From: yyDollar[3].expr, To: yyDollar[5].expr}
 		}
-	case 335:
+	case 355:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2518
+//line sql.y:2691
 		{
 			yyVAL.expr = &RangeCond{Left: yyDollar[1].expr, Operator: NotBetweenStr, From: yyDollar[4].expr, To: yyDollar[6].expr}
 		}
-	case 336:
+	case 356:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2522
+//line sql.y:2695
 		{
 			yyVAL.expr = &ExistsExpr{Subquery: yyDollar[2].subquery}
 		}
-	case 337:
+	case 357:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2528
+//line sql.y:2701
 		{
 			yyVAL.str = IsNullStr
 		}
-	case 338:
+	case 358:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2532
+//line sql.y:2705
 		{
 			yyVAL.str = IsNotNullStr
 		}
-	case 339:
+	case 359:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2536
+//line sql.y:2709
 		{
 			yyVAL.str = IsTrueStr
 		}
-	case 340:
+	case 360:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2540
+//line sql.y:2713
 		{
 			yyVAL.str = IsNotTrueStr
 		}
-	case 341:
+	case 361:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2544
+//line sql.y:2717
 		{
 			yyVAL.str = IsFalseStr
 		}
-	case 342:
+	case 362:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2548
+//line sql.y:2721
 		{
 			yyVAL.str = IsNotFalseStr
 		}
-	case 343:
+	case 363:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2554
+//line sql.y:2727
 		{
 			yyVAL.str = EqualStr
 		}
-	case 344:
+	case 364:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2558
+//line sql.y:2731
 		{
 			yyVAL.str = LessThanStr
 		}
-	case 345:
+	case 365:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2562
+//line sql.y:2735
 		{
 			yyVAL.str = GreaterThanStr
 		}
-	case 346:
+	case 366:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2566
+//line sql.y:2739
 		{
 			yyVAL.str = LessEqualStr
 		}
-	case 347:
+	case 367:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2570
+//line sql.y:2743
 		{
 			yyVAL.str = GreaterEqualStr
 		}
-	case 348:
+	case 368:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2574
+//line sql.y:2747
 		{
 			yyVAL.str = NotEqualStr
 		}
-	case 349:
+	case 369:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2578
+//line sql.y:2751
 		{
 			yyVAL.str = NullSafeEqualStr
 		}
-	case 350:
+	case 370:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2583
+//line sql.y:2756
 		{
 			yyVAL.expr = nil
 		}
-	case 351:
+	case 371:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2587
+//line sql.y:2760
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 352:
+	case 372:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2593
+//line sql.y:2766
 		{
 			yyVAL.colTuple = yyDollar[1].valTuple
 		}
-	case 353:
+	case 373:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2597
+//line sql.y:2770
 		{
 			yyVAL.colTuple = yyDollar[1].subquery
 		}
-	case 354:
+	case 374:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2601
+//line sql.y:2774
 		{
 			yyVAL.colTuple = ListArg(yyDollar[1].bytes)
 		}
-	case 355:
+	case 375:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2607
+//line sql.y:2780
 		{
 			yyVAL.subquery = &Subquery{yyDollar[2].selStmt}
 		}
-	case 356:
+	case 376:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2613
+//line sql.y:2786
 		{
 			yyVAL.exprs = Exprs{yyDollar[1].expr}
 		}
-	case 357:
+	case 377:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2617
+//line sql.y:2790
 		{
 			yyVAL.exprs = append(yyDollar[1].exprs, yyDollar[3].expr)
 		}
-	case 358:
+	case 378:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2623
+//line sql.y:2796
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 359:
+	case 379:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2627
+//line sql.y:2800
 		{
 			yyVAL.expr = yyDollar[1].boolVal
 		}
-	case 360:
+	case 380:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2631
+//line sql.y:2804
 		{
 			yyVAL.expr = yyDollar[1].colName
 		}
-	case 361:
+	case 381:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2635
+//line sql.y:2808
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 362:
+	case 382:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2639
+//line sql.y:2812
 		{
 			yyVAL.expr = yyDollar[1].subquery
 		}
-	case 363:
+	case 383:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2643
+//line sql.y:2816
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitAndStr, Right: yyDollar[3].expr}
 		}
-	case 364:
+	case 384:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2647
+//line sql.y:2820
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitOrStr, Right: yyDollar[3].expr}
 		}
-	case 365:
+	case 385:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2651
+//line sql.y:2824
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: BitXorStr, Right: yyDollar[3].expr}
 		}
-	case 366:
+	case 386:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2655
+//line sql.y:2828
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: PlusStr, Right: yyDollar[3].expr}
 		}
-	case 367:
+	case 387:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2659
+//line sql.y:2832
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MinusStr, Right: yyDollar[3].expr}
 		}
-	case 368:
+	case 388:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2663
+//line sql.y:2836
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: MultStr, Right: yyDollar[3].expr}
 		}
-	case 369:
+	case 389:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2667
+//line sql.y:2840
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: DivStr, Right: yyDollar[3].expr}
 		}
-	case 370:
+	case 390:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2671
+//line sql.y:2844
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: IntDivStr, Right: yyDollar[3].expr}
 		}
-	case 371:
+	case 391:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2675
+//line sql.y:2848
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
 		}
-	case 372:
+	case 392:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2679
+//line sql.y:2852
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ModStr, Right: yyDollar[3].expr}
 		}
-	case 373:
+	case 393:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2683
+//line sql.y:2856
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftLeftStr, Right: yyDollar[3].expr}
 		}
-	case 374:
+	case 394:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2687
+//line sql.y:2860
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].expr, Operator: ShiftRightStr, Right: yyDollar[3].expr}
 		}
-	case 375:
+	case 395:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2691
+//line sql.y:2864
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].colName, Operator: JSONExtractOp, Right: yyDollar[3].expr}
 		}
-	case 376:
+	case 396:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2695
+//line sql.y:2868
 		{
 			yyVAL.expr = &BinaryExpr{Left: yyDollar[1].colName, Operator: JSONUnquoteExtractOp, Right: yyDollar[3].expr}
 		}
-	case 377:
+	case 397:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2699
+//line sql.y:2872
 		{
 			yyVAL.expr = &CollateExpr{Expr: yyDollar[1].expr, Charset: yyDollar[3].str}
 		}
-	case 378:
+	case 398:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2703
+//line sql.y:2876
 		{
 			yyVAL.expr = &UnaryExpr{Operator: BinaryStr, Expr: yyDollar[2].expr}
 		}
-	case 379:
+	case 399:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2707
+//line sql.y:2880
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				yyVAL.expr = num
@@ -4515,9 +4765,9 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UPlusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 380:
+	case 400:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2715
+//line sql.y:2888
 		{
 			if num, ok := yyDollar[2].expr.(*SQLVal); ok && num.Type == IntVal {
 				// Handle double negative
@@ -4531,21 +4781,21 @@ yydefault:
 				yyVAL.expr = &UnaryExpr{Operator: UMinusStr, Expr: yyDollar[2].expr}
 			}
 		}
-	case 381:
+	case 401:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2729
+//line sql.y:2902
 		{
 			yyVAL.expr = &UnaryExpr{Operator: TildaStr, Expr: yyDollar[2].expr}
 		}
-	case 382:
+	case 402:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2733
+//line sql.y:2906
 		{
 			yyVAL.expr = &UnaryExpr{Operator: BangStr, Expr: yyDollar[2].expr}
 		}
-	case 383:
+	case 403:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2737
+//line sql.y:2910
 		{
 			// This rule prevents the usage of INTERVAL
 			// as a function. If support is needed for that,
@@ -4553,389 +4803,389 @@ yydefault:
 			// will be non-trivial because of grammar conflicts.
 			yyVAL.expr = &IntervalExpr{Expr: yyDollar[2].expr, Unit: yyDollar[3].colIdent.String()}
 		}
-	case 388:
+	case 408:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2755
+//line sql.y:2928
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Exprs: yyDollar[3].selectExprs}
 		}
-	case 389:
+	case 409:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2759
+//line sql.y:2932
 		{
 			yyVAL.expr = &FuncExpr{Name: yyDollar[1].colIdent, Distinct: true, Exprs: yyDollar[4].selectExprs}
 		}
-	case 390:
+	case 410:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2763
+//line sql.y:2936
 		{
 			yyVAL.expr = &FuncExpr{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].colIdent, Exprs: yyDollar[5].selectExprs}
 		}
-	case 391:
+	case 411:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2773
+//line sql.y:2946
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("left"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 392:
+	case 412:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2777
+//line sql.y:2950
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("right"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 393:
+	case 413:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2781
+//line sql.y:2954
 		{
 			yyVAL.expr = &ConvertExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].convertType}
 		}
-	case 394:
+	case 414:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2785
+//line sql.y:2958
 		{
 			yyVAL.expr = &ConvertExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].convertType}
 		}
-	case 395:
+	case 415:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:2789
+//line sql.y:2962
 		{
 			yyVAL.expr = &ConvertUsingExpr{Expr: yyDollar[3].expr, Type: yyDollar[5].str}
 		}
-	case 396:
+	case 416:
 		yyDollar = yyS[yypt-9 : yypt+1]
-//line sql.y:2793
+//line sql.y:2966
 		{
 			yyVAL.expr = &MatchExpr{Columns: yyDollar[3].selectExprs, Expr: yyDollar[7].expr, Option: yyDollar[8].str}
 		}
-	case 397:
+	case 417:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2797
+//line sql.y:2970
 		{
 			yyVAL.expr = &GroupConcatExpr{Distinct: yyDollar[3].str, Exprs: yyDollar[4].selectExprs, OrderBy: yyDollar[5].orderBy, Separator: yyDollar[6].str}
 		}
-	case 398:
+	case 418:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:2801
+//line sql.y:2974
 		{
 			yyVAL.expr = &CaseExpr{Expr: yyDollar[2].expr, Whens: yyDollar[3].whens, Else: yyDollar[4].expr}
 		}
-	case 399:
+	case 419:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2805
+//line sql.y:2978
 		{
 			yyVAL.expr = &ValuesFuncExpr{Name: yyDollar[3].colIdent}
 		}
-	case 400:
+	case 420:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2815
+//line sql.y:2988
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_timestamp")}
 		}
-	case 401:
+	case 421:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2819
+//line sql.y:2992
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_timestamp")}
 		}
-	case 402:
+	case 422:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2823
+//line sql.y:2996
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_time")}
 		}
-	case 403:
+	case 423:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2827
+//line sql.y:3000
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("utc_date")}
 		}
-	case 404:
+	case 424:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2832
+//line sql.y:3005
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("localtime")}
 		}
-	case 405:
+	case 425:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2837
+//line sql.y:3010
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("localtimestamp")}
 		}
-	case 406:
+	case 426:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2842
+//line sql.y:3015
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_date")}
 		}
-	case 407:
+	case 427:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2847
+//line sql.y:3020
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("current_time")}
 		}
-	case 410:
+	case 430:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2862
+//line sql.y:3035
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("if"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 411:
+	case 431:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2866
+//line sql.y:3039
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("database"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 412:
+	case 432:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2870
+//line sql.y:3043
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("mod"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 413:
+	case 433:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2874
+//line sql.y:3047
 		{
 			yyVAL.expr = &FuncExpr{Name: NewColIdent("replace"), Exprs: yyDollar[3].selectExprs}
 		}
-	case 414:
+	case 434:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2880
+//line sql.y:3053
 		{
 			yyVAL.str = ""
 		}
-	case 415:
+	case 435:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2884
+//line sql.y:3057
 		{
 			yyVAL.str = BooleanModeStr
 		}
-	case 416:
+	case 436:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2888
+//line sql.y:3061
 		{
 			yyVAL.str = NaturalLanguageModeStr
 		}
-	case 417:
+	case 437:
 		yyDollar = yyS[yypt-7 : yypt+1]
-//line sql.y:2892
+//line sql.y:3065
 		{
 			yyVAL.str = NaturalLanguageModeWithQueryExpansionStr
 		}
-	case 418:
+	case 438:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2896
+//line sql.y:3069
 		{
 			yyVAL.str = QueryExpansionStr
 		}
-	case 419:
+	case 439:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2902
+//line sql.y:3075
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 420:
+	case 440:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2906
+//line sql.y:3079
 		{
 			yyVAL.str = string(yyDollar[1].bytes)
 		}
-	case 421:
+	case 441:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2912
+//line sql.y:3085
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 422:
+	case 442:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2916
+//line sql.y:3089
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: yyDollar[3].str, Operator: CharacterSetStr}
 		}
-	case 423:
+	case 443:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:2920
+//line sql.y:3093
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal, Charset: string(yyDollar[3].bytes)}
 		}
-	case 424:
+	case 444:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2924
+//line sql.y:3097
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 425:
+	case 445:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2928
+//line sql.y:3101
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 426:
+	case 446:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2932
+//line sql.y:3105
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 			yyVAL.convertType.Length = yyDollar[2].LengthScaleOption.Length
 			yyVAL.convertType.Scale = yyDollar[2].LengthScaleOption.Scale
 		}
-	case 427:
+	case 447:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2938
+//line sql.y:3111
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 428:
+	case 448:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2942
+//line sql.y:3115
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 429:
+	case 449:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2946
+//line sql.y:3119
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 430:
+	case 450:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2950
+//line sql.y:3123
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 431:
+	case 451:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2954
+//line sql.y:3127
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes), Length: yyDollar[2].optVal}
 		}
-	case 432:
+	case 452:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2958
+//line sql.y:3131
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 433:
+	case 453:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2962
+//line sql.y:3135
 		{
 			yyVAL.convertType = &ConvertType{Type: string(yyDollar[1].bytes)}
 		}
-	case 434:
+	case 454:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2967
+//line sql.y:3140
 		{
 			yyVAL.expr = nil
 		}
-	case 435:
+	case 455:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2971
+//line sql.y:3144
 		{
 			yyVAL.expr = yyDollar[1].expr
 		}
-	case 436:
+	case 456:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:2976
+//line sql.y:3149
 		{
 			yyVAL.str = string("")
 		}
-	case 437:
+	case 457:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2980
+//line sql.y:3153
 		{
 			yyVAL.str = " separator '" + string(yyDollar[2].bytes) + "'"
 		}
-	case 438:
+	case 458:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:2986
+//line sql.y:3159
 		{
 			yyVAL.whens = []*When{yyDollar[1].when}
 		}
-	case 439:
+	case 459:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:2990
+//line sql.y:3163
 		{
 			yyVAL.whens = append(yyDollar[1].whens, yyDollar[2].when)
 		}
-	case 440:
+	case 460:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:2996
+//line sql.y:3169
 		{
 			yyVAL.when = &When{Cond: yyDollar[2].expr, Val: yyDollar[4].expr}
 		}
-	case 441:
+	case 461:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3001
+//line sql.y:3174
 		{
 			yyVAL.expr = nil
 		}
-	case 442:
+	case 462:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3005
+//line sql.y:3178
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 443:
+	case 463:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3011
+//line sql.y:3184
 		{
 			yyVAL.colName = &ColName{Name: yyDollar[1].colIdent}
 		}
-	case 444:
+	case 464:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3015
+//line sql.y:3188
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Name: yyDollar[1].tableIdent}, Name: yyDollar[3].colIdent}
 		}
-	case 445:
+	case 465:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3019
+//line sql.y:3192
 		{
 			yyVAL.colName = &ColName{Qualifier: TableName{Qualifier: yyDollar[1].tableIdent, Name: yyDollar[3].tableIdent}, Name: yyDollar[5].colIdent}
 		}
-	case 446:
+	case 466:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3025
+//line sql.y:3198
 		{
 			yyVAL.expr = NewStrVal(yyDollar[1].bytes)
 		}
-	case 447:
+	case 467:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3029
+//line sql.y:3202
 		{
 			yyVAL.expr = NewHexVal(yyDollar[1].bytes)
 		}
-	case 448:
+	case 468:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3033
+//line sql.y:3206
 		{
 			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
 		}
-	case 449:
+	case 469:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3037
+//line sql.y:3210
 		{
 			yyVAL.expr = NewFloatVal(yyDollar[1].bytes)
 		}
-	case 450:
+	case 470:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3041
+//line sql.y:3214
 		{
 			yyVAL.expr = NewHexNum(yyDollar[1].bytes)
 		}
-	case 451:
+	case 471:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3045
+//line sql.y:3218
 		{
 			yyVAL.expr = NewValArg(yyDollar[1].bytes)
 		}
-	case 452:
+	case 472:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3049
+//line sql.y:3222
 		{
 			yyVAL.expr = &NullVal{}
 		}
-	case 453:
+	case 473:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3055
+//line sql.y:3228
 		{
 			// TODO(sougou): Deprecate this construct.
 			if yyDollar[1].colIdent.Lowered() != "value" {
@@ -4944,239 +5194,239 @@ yydefault:
 			}
 			yyVAL.expr = NewIntVal([]byte("1"))
 		}
-	case 454:
+	case 474:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3064
+//line sql.y:3237
 		{
 			yyVAL.expr = NewIntVal(yyDollar[1].bytes)
 		}
-	case 455:
+	case 475:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3068
+//line sql.y:3241
 		{
 			yyVAL.expr = NewValArg(yyDollar[1].bytes)
 		}
-	case 456:
+	case 476:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3073
+//line sql.y:3246
 		{
 			yyVAL.exprs = nil
 		}
-	case 457:
+	case 477:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3077
+//line sql.y:3250
 		{
 			yyVAL.exprs = yyDollar[3].exprs
 		}
-	case 458:
+	case 478:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3082
+//line sql.y:3255
 		{
 			yyVAL.expr = nil
 		}
-	case 459:
+	case 479:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3086
+//line sql.y:3259
 		{
 			yyVAL.expr = yyDollar[2].expr
 		}
-	case 460:
+	case 480:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3091
+//line sql.y:3264
 		{
 			yyVAL.orderBy = nil
 		}
-	case 461:
+	case 481:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3095
+//line sql.y:3268
 		{
 			yyVAL.orderBy = yyDollar[3].orderBy
 		}
-	case 462:
+	case 482:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3101
+//line sql.y:3274
 		{
 			yyVAL.orderBy = OrderBy{yyDollar[1].order}
 		}
-	case 463:
+	case 483:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3105
+//line sql.y:3278
 		{
 			yyVAL.orderBy = append(yyDollar[1].orderBy, yyDollar[3].order)
 		}
-	case 464:
+	case 484:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3111
+//line sql.y:3284
 		{
 			yyVAL.order = &Order{Expr: yyDollar[1].expr, Direction: yyDollar[2].str}
 		}
-	case 465:
+	case 485:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3116
+//line sql.y:3289
 		{
 			yyVAL.str = AscScr
 		}
-	case 466:
+	case 486:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3120
+//line sql.y:3293
 		{
 			yyVAL.str = AscScr
 		}
-	case 467:
+	case 487:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3124
+//line sql.y:3297
 		{
 			yyVAL.str = DescScr
 		}
-	case 468:
+	case 488:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3129
+//line sql.y:3302
 		{
 			yyVAL.limit = nil
 		}
-	case 469:
+	case 489:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3133
+//line sql.y:3306
 		{
 			yyVAL.limit = &Limit{Rowcount: yyDollar[2].expr}
 		}
-	case 470:
+	case 490:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3137
+//line sql.y:3310
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[2].expr, Rowcount: yyDollar[4].expr}
 		}
-	case 471:
+	case 491:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3141
+//line sql.y:3314
 		{
 			yyVAL.limit = &Limit{Offset: yyDollar[4].expr, Rowcount: yyDollar[2].expr}
 		}
-	case 472:
+	case 492:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3146
+//line sql.y:3319
 		{
 			yyVAL.str = ""
 		}
-	case 473:
+	case 493:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3150
+//line sql.y:3323
 		{
 			yyVAL.str = ForUpdateStr
 		}
-	case 474:
+	case 494:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3154
+//line sql.y:3327
 		{
 			yyVAL.str = ShareModeStr
 		}
-	case 475:
+	case 495:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3167
+//line sql.y:3340
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[2].values}
 		}
-	case 476:
+	case 496:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3171
+//line sql.y:3344
 		{
 			yyVAL.ins = &Insert{Rows: yyDollar[1].selStmt}
 		}
-	case 477:
+	case 497:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3175
+//line sql.y:3348
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Rows: yyDollar[2].selStmt}
 		}
-	case 478:
+	case 498:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3180
+//line sql.y:3353
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].values}
 		}
-	case 479:
+	case 499:
 		yyDollar = yyS[yypt-4 : yypt+1]
-//line sql.y:3184
+//line sql.y:3357
 		{
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[4].selStmt}
 		}
-	case 480:
+	case 500:
 		yyDollar = yyS[yypt-6 : yypt+1]
-//line sql.y:3188
+//line sql.y:3361
 		{
 			// Drop the redundant parenthesis.
 			yyVAL.ins = &Insert{Columns: yyDollar[2].columns, Rows: yyDollar[5].selStmt}
 		}
-	case 481:
+	case 501:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3195
+//line sql.y:3368
 		{
 			yyVAL.columns = Columns{yyDollar[1].colIdent}
 		}
-	case 482:
+	case 502:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3199
+//line sql.y:3372
 		{
 			yyVAL.columns = Columns{yyDollar[3].colIdent}
 		}
-	case 483:
+	case 503:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3203
+//line sql.y:3376
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[3].colIdent)
 		}
-	case 484:
+	case 504:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3207
+//line sql.y:3380
 		{
 			yyVAL.columns = append(yyVAL.columns, yyDollar[5].colIdent)
 		}
-	case 485:
+	case 505:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3212
+//line sql.y:3385
 		{
 			yyVAL.updateExprs = nil
 		}
-	case 486:
+	case 506:
 		yyDollar = yyS[yypt-5 : yypt+1]
-//line sql.y:3216
+//line sql.y:3389
 		{
 			yyVAL.updateExprs = yyDollar[5].updateExprs
 		}
-	case 487:
+	case 507:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3222
+//line sql.y:3395
 		{
 			yyVAL.values = Values{yyDollar[1].valTuple}
 		}
-	case 488:
+	case 508:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3226
+//line sql.y:3399
 		{
 			yyVAL.values = append(yyDollar[1].values, yyDollar[3].valTuple)
 		}
-	case 489:
+	case 509:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3232
+//line sql.y:3405
 		{
 			yyVAL.valTuple = yyDollar[1].valTuple
 		}
-	case 490:
+	case 510:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3236
+//line sql.y:3409
 		{
 			yyVAL.valTuple = ValTuple{}
 		}
-	case 491:
+	case 511:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3242
+//line sql.y:3415
 		{
 			yyVAL.valTuple = ValTuple(yyDollar[2].exprs)
 		}
-	case 492:
+	case 512:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3248
+//line sql.y:3421
 		{
 			if len(yyDollar[1].valTuple) == 1 {
 				yyVAL.expr = &ParenExpr{yyDollar[1].valTuple[0]}
@@ -5184,288 +5434,282 @@ yydefault:
 				yyVAL.expr = yyDollar[1].valTuple
 			}
 		}
-	case 493:
+	case 513:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3258
+//line sql.y:3431
 		{
 			yyVAL.updateExprs = UpdateExprs{yyDollar[1].updateExpr}
 		}
-	case 494:
+	case 514:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3262
+//line sql.y:3435
 		{
 			yyVAL.updateExprs = append(yyDollar[1].updateExprs, yyDollar[3].updateExpr)
 		}
-	case 495:
+	case 515:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3268
+//line sql.y:3441
 		{
 			yyVAL.updateExpr = &UpdateExpr{Name: yyDollar[1].colName, Expr: yyDollar[3].expr}
 		}
-	case 496:
+	case 516:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3274
+//line sql.y:3447
 		{
 			yyVAL.setExprs = SetExprs{yyDollar[1].setExpr}
 		}
-	case 497:
+	case 517:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3278
+//line sql.y:3451
 		{
 			yyVAL.setExprs = append(yyDollar[1].setExprs, yyDollar[3].setExpr)
 		}
-	case 498:
+	case 518:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3284
+//line sql.y:3457
 		{
 			yyVAL.setExpr = &SetExpr{Name: yyDollar[1].colIdent, Expr: yyDollar[3].expr}
 		}
-	case 499:
+	case 519:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3288
+//line sql.y:3461
 		{
 			yyVAL.setExpr = &SetExpr{Name: NewColIdent(string(yyDollar[1].bytes)), Expr: yyDollar[2].expr}
 		}
-	case 501:
+	case 521:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3295
+//line sql.y:3468
 		{
 			yyVAL.bytes = []byte("charset")
 		}
-	case 503:
+	case 523:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3302
+//line sql.y:3475
 		{
 			yyVAL.expr = NewStrVal([]byte(yyDollar[1].colIdent.String()))
 		}
-	case 504:
+	case 524:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3306
+//line sql.y:3479
 		{
 			yyVAL.expr = NewStrVal(yyDollar[1].bytes)
 		}
-	case 505:
+	case 525:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3310
+//line sql.y:3483
 		{
 			yyVAL.expr = &Default{}
 		}
-	case 508:
+	case 528:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3319
+//line sql.y:3492
 		{
 			yyVAL.byt = 0
 		}
-	case 509:
+	case 529:
 		yyDollar = yyS[yypt-2 : yypt+1]
-//line sql.y:3323
+//line sql.y:3496
 		{
 			yyVAL.byt = 1
 		}
-	case 510:
+	case 530:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3328
+//line sql.y:3501
 		{
 			yyVAL.byt = 0
 		}
-	case 511:
+	case 531:
 		yyDollar = yyS[yypt-3 : yypt+1]
-//line sql.y:3332
+//line sql.y:3505
 		{
 			yyVAL.byt = 1
 		}
-	case 512:
+	case 532:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3337
+//line sql.y:3510
 		{
 			yyVAL.str = ""
 		}
-	case 513:
+	case 533:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3341
+//line sql.y:3514
 		{
 			yyVAL.str = IgnoreStr
 		}
-	case 514:
+	case 534:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3347
+//line sql.y:3520
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 515:
+	case 535:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3351
+//line sql.y:3524
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 516:
+	case 536:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3355
+//line sql.y:3528
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 517:
+	case 537:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3359
+//line sql.y:3532
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 518:
+	case 538:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3363
+//line sql.y:3536
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 519:
+	case 539:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3367
+//line sql.y:3540
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 520:
+	case 540:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3371
+//line sql.y:3544
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 521:
+	case 541:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3375
+//line sql.y:3548
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 522:
+	case 542:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3379
+//line sql.y:3552
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 523:
+	case 543:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3383
+//line sql.y:3556
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 524:
+	case 544:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3388
+//line sql.y:3561
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 525:
+	case 545:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3392
+//line sql.y:3565
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 526:
+	case 546:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3396
+//line sql.y:3569
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 527:
+	case 547:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3402
+//line sql.y:3575
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 528:
+	case 548:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3406
+//line sql.y:3579
 		{
 			yyVAL.empty = struct{}{}
 		}
-	case 529:
+	case 549:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3411
-		{
-			yyVAL.empty = struct{}{}
-		}
-	case 530:
-		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3415
+//line sql.y:3584
 		{
-			yyVAL.empty = struct{}{}
+			yyVAL.str = IndexStr
 		}
-	case 531:
+	case 550:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3419
+//line sql.y:3588
 		{
-			yyVAL.empty = struct{}{}
+			yyVAL.str = UniqueStr
 		}
-	case 532:
+	case 551:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3425
+//line sql.y:3594
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 533:
+	case 552:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3429
+//line sql.y:3598
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 535:
+	case 554:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3436
+//line sql.y:3605
 		{
 			yyVAL.colIdent = NewColIdent(string(yyDollar[1].bytes))
 		}
-	case 536:
+	case 555:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3442
+//line sql.y:3611
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 537:
+	case 556:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3446
+//line sql.y:3615
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 539:
+	case 558:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3453
+//line sql.y:3622
 		{
 			yyVAL.tableIdent = NewTableIdent(string(yyDollar[1].bytes))
 		}
-	case 701:
+	case 721:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3641
+//line sql.y:3811
 		{
 			if incNesting(yylex) {
 				yylex.Error("max nesting level reached")
 				return 1
 			}
 		}
-	case 702:
+	case 722:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3650
+//line sql.y:3820
 		{
 			decNesting(yylex)
 		}
-	case 703:
+	case 723:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3655
+//line sql.y:3825
 		{
 			forceEOF(yylex)
 		}
-	case 704:
+	case 724:
 		yyDollar = yyS[yypt-0 : yypt+1]
-//line sql.y:3660
+//line sql.y:3830
 		{
 			forceEOF(yylex)
 		}
-	case 705:
+	case 725:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3664
+//line sql.y:3834
 		{
 			forceEOF(yylex)
 		}
-	case 706:
+	case 726:
 		yyDollar = yyS[yypt-1 : yypt+1]
-//line sql.y:3668
+//line sql.y:3838
 		{
 			forceEOF(yylex)
 		}
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.y b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.y
index 02d9b1ba..e93fad5b 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.y
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/sql.y
@@ -99,9 +99,10 @@ func forceEOF(yylex interface{}) {
   LengthScaleOption LengthScaleOption
   columnDefinition *ColumnDefinition
   indexDefinition *IndexDefinition
-  indexInfo     *IndexInfo
   indexColumn   *IndexColumn
   indexColumns  []*IndexColumn
+  indexOptionList IndexOptionList
+  indexOption *IndexOption
   columnOptionListOpt ColumnOptionListOpt
   columnOptionList  ColumnOptionList
   columnOption      *ColumnOption
@@ -133,11 +134,15 @@ func forceEOF(yylex interface{}) {
 	FOR
 
 
-// FULLTEXT.
+// INDEX.
 %token	<bytes>
+	ALGORITHM
+	BTREE
 	FULLTEXT
-	PARSER
+	KEY_BLOCK_SIZE
 	NGRAM
+	PARSER
+	SPATIAL
 
 
 // Resolve shift/reduce conflict on 'UNIQUE KEY', if we don`t define the precedence, the code
@@ -721,7 +726,6 @@ func forceEOF(yylex interface{}) {
 	non_rename_operation
 	to_opt
 	index_opt
-	constraint_opt
 
 %type	<bytes>
 	reserved_keyword
@@ -786,7 +790,6 @@ func forceEOF(yylex interface{}) {
 	id_or_string
 
 %type	<str>
-	collate_name_or_default
 	opt_charset
 	opt_equal
 	opt_default
@@ -835,15 +838,30 @@ func forceEOF(yylex interface{}) {
 %type	<tableOption>
 	table_option
 
-%type	<indexInfo>
-	index_info
-
 %type	<indexColumn>
 	index_column
 
 %type	<indexColumns>
 	index_column_list
 
+%type   <indexOptionList>
+	fulltext_key_opts
+	lock_algorithm_opts
+	normal_key_opts
+	spatial_key_opts
+
+%type   <indexOption>
+	all_key_opt
+	fulltext_key_opt
+	index_using_opt
+	lock_algorithm_opt
+	normal_key_opt
+
+%type   <str>
+	constraint_opt
+	index_using_str
+	id_or_default
+
 %type	<columnOptionListOpt>
 	column_option_list_opt
 
@@ -1100,10 +1118,145 @@ create_statement:
 		}
 		$$ = &DDL{Action: CreateDBStr, IfNotExists: ifnotexists, Database: $4, DatabaseOptions: $5}
 	}
-|	CREATE constraint_opt INDEX ID ON table_name ddl_force_eof
+|	CREATE constraint_opt INDEX ID ON table_name openb index_column_list closeb normal_key_opts lock_algorithm_opts
 	{
-		// Change this to an alter statement
-		$$ = &DDL{Action: CreateIndexStr, IndexName: string($4), Table: $6, NewName: $6}
+		$$ = &DDL{Action: CreateIndexStr, IndexType: $2, IndexName: string($4), Table: $6, NewName: $6, IndexOpts: NewIndexOptions($8, append($10, $11...))}
+	}
+|	CREATE FULLTEXT INDEX ID ON table_name openb index_column_list closeb fulltext_key_opts lock_algorithm_opts
+	{
+		$$ = &DDL{Action: CreateIndexStr, IndexType: FullTextStr, IndexName: string($4), Table: $6, NewName: $6, IndexOpts: NewIndexOptions($8, append($10, $11...))}
+	}
+|	CREATE SPATIAL INDEX ID ON table_name openb index_column_list closeb spatial_key_opts lock_algorithm_opts
+    {
+		$$ = &DDL{Action: CreateIndexStr, IndexType: SpatialStr, IndexName: string($4), Table: $6, NewName: $6, IndexOpts: NewIndexOptions($8, append($10, $11...))}
+	}
+
+index_using_str:
+	HASH
+	{
+		$$ = "hash"
+	}
+|	BTREE
+	{
+		$$ = "btree"
+	}
+
+id_or_default:
+	ID
+	{
+		$$ = string($1)
+	}
+|	DEFAULT
+	{
+		$$ = "default"
+	}
+
+index_using_opt:
+	USING index_using_str
+	{
+		$$ = &IndexOption{
+			Type: IndexOptionUsing,
+			Val:  NewStrValWithoutQuote([]byte($2)),
+		}
+	}
+
+all_key_opt:
+	KEY_BLOCK_SIZE opt_equal INTEGRAL
+	{
+		$$ = &IndexOption{
+			Type: IndexOptionBlockSize,
+			Val:  NewIntVal($3),
+		}
+	}
+|	COMMENT_KEYWORD STRING
+	{
+		$$ = &IndexOption{
+			Type: IndexOptionComment,
+			Val:  NewStrVal($2),
+		}
+	}
+
+normal_key_opts:
+	{
+		$$ = []*IndexOption{}
+	}
+|	normal_key_opts normal_key_opt
+	{
+		$$ = append($1, $2)
+	}
+
+normal_key_opt:
+	all_key_opt
+	{
+		$$ = $1
+	}
+|	index_using_opt
+	{
+		$$ = $1
+	}
+
+fulltext_key_opts:
+	{
+		$$ = []*IndexOption{}
+	}
+|	fulltext_key_opts fulltext_key_opt
+	{
+		$$ = append($1, $2)
+	}
+
+fulltext_key_opt:
+	all_key_opt
+	{
+		$$ = $1
+	}
+|	WITH PARSER NGRAM
+	{
+		$$ = &IndexOption{
+			Type: IndexOptionParser,
+			Val:  NewStrValWithoutQuote($3),
+		}
+	}
+
+spatial_key_opts:
+	{
+		$$ = []*IndexOption{}
+	}
+|	spatial_key_opts all_key_opt
+	{
+		$$ = append($1, $2)
+	}
+
+lock_algorithm_opts:
+	{
+		$$ = []*IndexOption{}
+	}
+|	lock_algorithm_opts lock_algorithm_opt
+	{
+		$$ = append($1, $2)
+	}
+
+lock_algorithm_opt:
+	LOCK opt_equal id_or_default
+	{
+		if !CheckIndexLock($3) {
+			yylex.Error("unknown lock type")
+			return 1
+		}
+		$$ = &IndexOption{
+			Type: IndexOptionLock,
+			Val:  NewStrValWithoutQuote([]byte($3)),
+		}
+	}
+|	ALGORITHM opt_equal id_or_default
+	{
+		if !CheckIndexAlgorithm($3) {
+			yylex.Error("unknown algorithm type")
+			return 1
+		}
+		$$ = &IndexOption{
+			Type: IndexOptionAlgorithm,
+			Val:  NewStrValWithoutQuote([]byte($3)),
+		}
 	}
 
 database_option_list_opt:
@@ -1126,7 +1279,7 @@ database_option_list:
 	}
 
 database_option:
-	opt_default COLLATE opt_equal collate_name_or_default
+	opt_default COLLATE opt_equal id_or_default
 	{
 		$$ = &DatabaseOption{
 			CharsetOrCollate: string($2),
@@ -1161,16 +1314,6 @@ opt_charset:
 		$$ = "character set"
 	}
 
-collate_name_or_default:
-	ID
-	{
-		$$ = string($1)
-	}
-|	DEFAULT
-	{
-		$$ = "default"
-	}
-
 charset_name_or_default:
 	ID
 	{
@@ -1760,35 +1903,65 @@ column_comment_opt:
 	}
 
 index_definition:
-	index_info '(' index_column_list ')'
-	{
-		$$ = &IndexDefinition{Info: $1, Columns: $3}
-	}
-|	index_info '(' index_column_list ')' WITH PARSER NGRAM
-	{
-		$$ = &IndexDefinition{Info: $1, Columns: $3}
+	PRIMARY KEY '(' index_column_list ')'
+	{
+		$$ = &IndexDefinition {
+			Type: string($1) + " " + string($2),
+			Name: NewColIdent("PRIMARY"),
+			Opts: NewIndexOptions($4, nil),
+			Primary: true,
+			Unique: true,
+		}
 	}
-
-index_info:
-	PRIMARY KEY
+|	UNIQUE index_or_key ID '(' index_column_list ')'  normal_key_opts
 	{
-		$$ = &IndexInfo{Type: string($1) + " " + string($2), Name: NewColIdent("PRIMARY"), Primary: true, Unique: true}
+		$$ = &IndexDefinition {
+			Type: string($1) + " " + string($2),
+			Name: NewColIdent(string($3)),
+			Opts: NewIndexOptions($5, $7),
+			Primary: false,
+			Unique: true,
+		}
 	}
-|	UNIQUE index_or_key ID
+|	UNIQUE ID '(' index_column_list ')' normal_key_opts
 	{
-		$$ = &IndexInfo{Type: string($1) + " " + string($2), Name: NewColIdent(string($3)), Primary: false, Unique: true}
+		$$ = &IndexDefinition {
+			Type: string($1),
+			Name: NewColIdent(string($2)),
+			Opts: NewIndexOptions($4, $6),
+			Primary: false,
+			Unique: true,
+		}
 	}
-|	UNIQUE ID
+|	index_or_key ID '(' index_column_list ')' normal_key_opts
 	{
-		$$ = &IndexInfo{Type: string($1), Name: NewColIdent(string($2)), Primary: false, Unique: true}
+		$$ = &IndexDefinition {
+			Type: string($1),
+			Name: NewColIdent(string($2)),
+			Opts: NewIndexOptions($4, $6),
+			Primary: false,
+			Unique: false,
+		}
 	}
-|	index_or_key ID
+|	FULLTEXT index_or_key ID '(' index_column_list ')' fulltext_key_opts
 	{
-		$$ = &IndexInfo{Type: string($1), Name: NewColIdent(string($2)), Primary: false, Unique: false}
+		$$ = &IndexDefinition {
+			Type: string($1) + " " + string($2),
+			Name: NewColIdent(string($3)),
+			Opts: NewIndexOptions($5, $7),
+			Primary: false,
+			Unique: false,
+		}
 	}
-|	FULLTEXT index_or_key ID
+|	SPATIAL index_or_key ID '(' index_column_list ')' spatial_key_opts
 	{
-		$$ = &IndexInfo{Type: string($1) + " " + string($2), Name: NewColIdent(string($3)), Primary: false, Unique: false, Fulltext: true}
+		$$ = &IndexDefinition {
+			Type: string($1) + " " + string($2),
+			Name: NewColIdent(string($3)),
+			Opts: NewIndexOptions($5, $7),
+			Primary: false,
+			Unique: false,
+		}
 	}
 
 index_or_key:
@@ -3409,15 +3582,11 @@ index_opt:
 
 constraint_opt:
 	{
-		$$ = struct{}{}
+		$$ = IndexStr
 	}
 |	UNIQUE
 	{
-		$$ = struct{}{}
-	}
-|	sql_id
-	{
-		$$ = struct{}{}
+		$$ = UniqueStr
 	}
 
 sql_id:
@@ -3596,8 +3765,10 @@ reserved_keyword:
 */
 non_reserved_keyword:
 	AGAINST
+|	ALGORITHM
 |	BIT
 |	BOOL
+|	CLEANUP
 |	COMMENT_KEYWORD
 |	DATE
 |	DATETIME
@@ -3634,7 +3805,6 @@ non_reserved_keyword:
 |	DETACH
 |	ATTACHLIST
 |	RESHARD
-|   CLEANUP
 
 openb:
 	'('
diff --git a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/token.go b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/token.go
index 8661af10..627bd9f7 100644
--- a/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/token.go
+++ b/src/vendor/github.com/xelabs/go-mysqlstack/sqlparser/token.go
@@ -63,6 +63,7 @@ var keywords = map[string]int{
 	"accessible":          UNUSED,
 	"add":                 ADD,
 	"against":             AGAINST,
+	"algorithm":           ALGORITHM,
 	"all":                 ALL,
 	"alter":               ALTER,
 	"analyze":             ANALYZE,
@@ -70,6 +71,8 @@ var keywords = map[string]int{
 	"as":                  AS,
 	"asc":                 ASC,
 	"asensitive":          UNUSED,
+	"attach":              ATTACH,
+	"attachlist":          ATTACHLIST,
 	"auto_increment":      AUTO_INCREMENT,
 	"before":              UNUSED,
 	"begin":               BEGIN,
@@ -82,6 +85,7 @@ var keywords = map[string]int{
 	"bool":                BOOL,
 	"boolean":             BOOLEAN,
 	"both":                UNUSED,
+	"btree":               BTREE,
 	"by":                  BY,
 	"call":                UNUSED,
 	"cascade":             UNUSED,
@@ -93,6 +97,7 @@ var keywords = map[string]int{
 	"charset":             CHARSET,
 	"check":               UNUSED,
 	"checksum":            CHECKSUM,
+	"cleanup":             CLEANUP,
 	"collate":             COLLATE,
 	"column":              COLUMN,
 	"columns":             COLUMNS,
@@ -125,6 +130,7 @@ var keywords = map[string]int{
 	"delete":              DELETE,
 	"desc":                DESC,
 	"describe":            DESCRIBE,
+	"detach":              DETACH,
 	"deterministic":       UNUSED,
 	"distinct":            DISTINCT,
 	"distinctrow":         UNUSED,
@@ -198,6 +204,7 @@ var keywords = map[string]int{
 	"json":                JSON,
 	"key":                 KEY,
 	"keys":                UNUSED,
+	"key_block_size":      KEY_BLOCK_SIZE,
 	"kill":                KILL,
 	"language":            LANGUAGE,
 	"last_insert_id":      LAST_INSERT_ID,
@@ -260,6 +267,7 @@ var keywords = map[string]int{
 	"processlist":         PROCESSLIST,
 	"query":               QUERY,
 	"queryz":              QUERYZ,
+	"radon":               RADON,
 	"range":               UNUSED,
 	"read":                UNUSED,
 	"reads":               UNUSED,
@@ -273,6 +281,7 @@ var keywords = map[string]int{
 	"repeat":              UNUSED,
 	"replace":             REPLACE,
 	"require":             UNUSED,
+	"reshard":             RESHARD,
 	"resignal":            UNUSED,
 	"restrict":            UNUSED,
 	"return":              UNUSED,
@@ -294,7 +303,7 @@ var keywords = map[string]int{
 	"signed":              SIGNED,
 	"single":              SINGLE,
 	"smallint":            SMALLINT,
-	"spatial":             UNUSED,
+	"spatial":             SPATIAL,
 	"specific":            UNUSED,
 	"sql":                 UNUSED,
 	"sqlexception":        UNUSED,
@@ -360,12 +369,6 @@ var keywords = map[string]int{
 	"year":                YEAR,
 	"year_month":          UNUSED,
 	"zerofill":            ZEROFILL,
-	"radon":               RADON,
-	"attach":              ATTACH,
-	"detach":              DETACH,
-	"attachlist":          ATTACHLIST,
-	"reshard":             RESHARD,
-	"cleanup":             CLEANUP,
 }
 
 // keywordStrings contains the reverse mapping of token to keyword strings