Add sql federation scenario for postgresql (#29593)

* Add sql federation scenario for postgresql

* Add authority for postgresql

test/e2e/sql/src/test/resources/env/scenario/db_tbl_sql_federation/authority.xml

@@ -16,6 +16,26 @@
   -->
 
 <authority>
+    <sqlset db-types="PostgreSQL">
+        <user-create>
+            <sql>CREATE USER default_user</sql>
+            <sql>CREATE ROLE default_role</sql>
+            <sql>CREATE ROLE role2</sql>
+            <sql>CREATE ROLE role3</sql>
+            <sql>CREATE ROLE role4</sql>
+        </user-create>
+        <user-drop>
+            <sql>DROP ROLE IF EXISTS default_role</sql>
+            <sql>DROP ROLE IF EXISTS role_dev</sql>
+            <sql>DROP ROLE IF EXISTS role_dev_new</sql>
+            <sql>DROP ROLE IF EXISTS role2</sql>
+            <sql>DROP ROLE IF EXISTS role3</sql>
+            <sql>DROP ROLE IF EXISTS role4</sql>
+            <sql>DROP USER IF EXISTS user_dev</sql>
+            <sql>DROP USER IF EXISTS user_dev_new</sql>
+            <sql>DROP USER IF EXISTS default_user</sql>
+        </user-drop>
+    </sqlset>
     <sqlset db-types="MySQL">
         <user-create>
             <sql>CREATE ROLE default_role</sql>

test/e2e/sql/src/test/resources/env/scenario/db_tbl_sql_federation/data/actual/init-sql/mysql/actual-logic_db-init.sql

@@ -0,0 +1,26 @@
+--
+-- Licensed to the Apache Software Foundation (ASF) under one or more
+-- contributor license agreements.  See the NOTICE file distributed with
+-- this work for additional information regarding copyright ownership.
+-- The ASF licenses this file to You under the Apache License, Version 2.0
+-- (the "License"); you may not use this file except in compliance with
+-- the License.  You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+
+DROP VIEW IF EXISTS t_order_item_join_view;
+DROP VIEW IF EXISTS t_order_subquery_view;
+DROP VIEW IF EXISTS t_order_aggregation_view;
+DROP VIEW IF EXISTS t_order_union_view;
+
+CREATE VIEW t_order_item_join_view AS SELECT o.order_id, o.user_id, i.item_id FROM t_order o INNER JOIN t_order_item i ON o.order_id = i.order_id ORDER BY o.order_id, i.item_id;
+CREATE VIEW t_order_subquery_view AS SELECT * FROM t_order o WHERE o.order_id IN (SELECT i.order_id FROM t_order_item i INNER JOIN t_product p ON i.product_id = p.product_id WHERE p.product_id = 10);
+CREATE VIEW t_order_aggregation_view AS SELECT MAX(p.price) AS max_price, MIN(p.price) AS min_price, SUM(p.price) AS sum_price, AVG(p.price) AS avg_price, COUNT(1) AS count FROM t_order o INNER JOIN t_order_item i ON o.order_id = i.order_id INNER JOIN t_product p ON i.product_id = p.product_id GROUP BY o.order_id HAVING SUM(p.price) > 10000 ORDER BY max_price;
+CREATE VIEW t_order_union_view AS SELECT * FROM t_order WHERE order_id > 2000 UNION SELECT * FROM t_order WHERE order_id > 1500;