add procedure

Signed-off-by: Abhishek <abhishek.kumar@shapeblue.com>

Author: sb-abhish3k

engine/schema/src/main/resources/META-INF/db/procedures/cloud.idempotent_add_index.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.
+
+-- Idempotent ADD INDEX
+DROP PROCEDURE IF EXISTS `cloud`.`IDEMPOTENT_ADD_INDEX`;
+CREATE PROCEDURE `cloud`.`IDEMPOTENT_ADD_INDEX` (
+    IN in_index_name VARCHAR(200)
+,IN in_table_name VARCHAR(200)
+,IN in_index_definition VARCHAR(1000)
+)
+BEGIN
+    DECLARE CONTINUE HANDLER FOR 1061 BEGIN END; SET @ddl = CONCAT('ALTER TABLE ', in_table_name, ' ADD INDEX ', in_index_name, ' ', in_index_definition, ', ALGORITHM=INPLACE, LOCK=NONE'); PREPARE stmt FROM @ddl; EXECUTE stmt; DEALLOCATE PREPARE stmt; END;