zhongjiajie commented on code in PR #13194:
URL: 
https://github.com/apache/dolphinscheduler/pull/13194#discussion_r1050437946


##########
dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql:
##########
@@ -894,7 +898,8 @@ CREATE TABLE `t_ds_task_instance` (
   `test_flag`  tinyint(4) DEFAULT null COMMENT 'test flag:0 normal, 1 test 
run',
   PRIMARY KEY (`id`),
   KEY `process_instance_id` (`process_instance_id`) USING BTREE,
-  KEY `idx_code_version` (`task_code`, `task_definition_version`) USING BTREE
+  KEY `idx_code_version` (`task_code`, `task_definition_version`) USING BTREE,
+  KEY `cache_key` (`cache_key`) USING BTREE

Review Comment:
   ```suggestion
     KEY `idx_cache_key` (`cache_key`) USING BTREE
   ```



##########
dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql:
##########
@@ -796,6 +800,7 @@ CREATE TABLE t_ds_task_instance (
 ) ;
 
 create index idx_task_instance_code_version on t_ds_task_instance (task_code, 
task_definition_version);
+create index cache_key on t_ds_task_instance (cache_key);

Review Comment:
   ```suggestion
   create index idx_cache_key on t_ds_task_instance (cache_key);
   ```



##########
dolphinscheduler-dao/src/main/resources/sql/upgrade/3.2.0_schema/postgresql/dolphinscheduler_ddl.sql:
##########
@@ -119,3 +119,14 @@ d//
 delimiter ;
 select uc_dolphin_T_t_ds_task_instance_R_test_flag();
 DROP FUNCTION uc_dolphin_T_t_ds_task_instance_R_test_flag();
+
+ALTER TABLE t_ds_task_definition DROP COLUMN IF EXISTS is_cache;

Review Comment:
   can we make L123 and L128 together to make more sense, to told user we want 
to recreate the column.
   
   ```sql
   ALTER TABLE t_ds_task_definition DROP COLUMN IF EXISTS is_cache;
   ALTER TABLE t_ds_task_definition ADD COLUMN IF NOT EXISTS is_cache int 
DEFAULT '0';
   ```



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