Initial commit

HiveDDLs.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+tables=$1
+ddl_name='/home/d88665/HiveTableDDL.txt'
+combined_ddl='/home/d88665/HiveDDLs.txt'
+
+wc $tables
+
+wait
+
+cat $tables | while read LINE
+do
+    sleep .5
+    echo $LINE
+    sleep .5
+	hive -e "show create table $LINE" > temp.txt
+    sleep .5
+	sed -i '/TBLPROPERTIES/,$d' temp.txt
+    sleep .5
+	sed -i '$ s/$/;/' temp.txt
+    sleep .5
+	cat temp.txt >> DDLs.hql
+    sleep .5
+	echo -e "\n" >> DDLs.hql
+    sleep .5
+	echo $LINE
+    sleep .5
+done
+
+sleep .5
+
+sed -i 's/CREATE EXTERNAL TABLE/CREATE EXTERNAL TABLE IF NOT EXISTS/g' DDLs.hql
+
+sleep .5
+
+sed -i 's/edl-test1//g' DDLs.hql
+
+sleep .5
+
+sed -ir 's/2022.*//g' DDLs.hql
+
+WC=$(grep "CREATE EXTERNAL TABLE" DDLs.hql | wc -l)
+
+sleep .5
+
+echo "Table DDL generated for ${WC} tables."