engine-schema: make adding/dropping indexes idempotent (#9171)

* engine-schema: make adding/dropping indexes idempotent

Fixes #9170

* fix

Signed-off-by: Abhishek Kumar <[email protected]>

---------

Signed-off-by: Abhishek Kumar <[email protected]>

Author: shwstppr

engine/schema/src/main/resources/META-INF/db/schema-41910to42000.sql

@@ -23,11 +23,20 @@
 CALL `cloud`.`IDEMPOTENT_ADD_COLUMN`('cloud.resource_limit', 'tag', 'varchar(64) DEFAULT NULL COMMENT "tag for the limit" ');
 CALL `cloud`.`IDEMPOTENT_ADD_COLUMN`('cloud.resource_count', 'tag', 'varchar(64) DEFAULT NULL COMMENT "tag for the resource count" ');
 CALL `cloud`.`IDEMPOTENT_ADD_COLUMN`('cloud.resource_reservation', 'tag', 'varchar(64) DEFAULT NULL COMMENT "tag for the resource reservation" ');
-ALTER TABLE `resource_count`
-DROP INDEX `i_resource_count__type_accountId`,
-DROP INDEX `i_resource_count__type_domaintId`,
-ADD UNIQUE INDEX `i_resource_count__type_tag_accountId` (`type`,`tag`,`account_id`),
-ADD UNIQUE INDEX `i_resource_count__type_tag_domaintId` (`type`,`tag`,`domain_id`);
+CALL `cloud`.`IDEMPOTENT_DROP_INDEX`('i_resource_count__type_accountId', 'cloud.resource_count');
+CALL `cloud`.`IDEMPOTENT_DROP_INDEX`('i_resource_count__type_domaintId', 'cloud.resource_count');
+
+DROP PROCEDURE IF EXISTS `cloud`.`IDEMPOTENT_ADD_UNIQUE_INDEX`;
+CREATE PROCEDURE `cloud`.`IDEMPOTENT_ADD_UNIQUE_INDEX` (
+    IN in_table_name VARCHAR(200),
+    IN in_index_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 UNIQUE INDEX ', in_index_name, ' ', in_index_definition); PREPARE stmt FROM @ddl; EXECUTE stmt; DEALLOCATE PREPARE stmt; END;
+
+CALL `cloud`.`IDEMPOTENT_ADD_UNIQUE_INDEX`('cloud.resource_count', 'i_resource_count__type_tag_accountId', '(type, tag, account_id)');
+CALL `cloud`.`IDEMPOTENT_ADD_UNIQUE_INDEX`('cloud.resource_count', 'i_resource_count__type_tag_domainId', '(type, tag, domain_id)');
 
 ALTER TABLE `cloud`.`resource_reservation`
     MODIFY COLUMN `amount` bigint NOT NULL;