[Fix] [SQL] sql script upgrade exception (#6462)

* fix sql syntax error exception.

* update 1.4.0 sql ddl

sql/upgrade/1.4.0_schema/mysql/dolphinscheduler_ddl.sql

@@ -337,25 +337,6 @@ delimiter ;
 CALL uc_dolphin_T_t_ds_schedules_A_add_timezone();
 DROP PROCEDURE uc_dolphin_T_t_ds_schedules_A_add_timezone;
 
--- uc_dolphin_T_t_ds_task_definition_A_drop_UN_taskName
-drop PROCEDURE if EXISTS uc_dolphin_T_t_ds_task_definition_A_drop_UN_taskName;
-delimiter d//
-CREATE PROCEDURE uc_dolphin_T_t_ds_task_definition_A_drop_UN_taskName()
-BEGIN
-    IF EXISTS (SELECT 1 FROM information_schema.STATISTICS
-                   WHERE TABLE_NAME='t_ds_task_definition'
-                     AND TABLE_SCHEMA=(SELECT DATABASE())
-                     AND INDEX_NAME ='task_unique')
-        ALTER TABLE t_ds_task_definition drop INDEX `task_unique`;
-    END IF;
-END;
-
-d//
-
-delimiter ;
-CALL uc_dolphin_T_t_ds_task_definition_A_drop_UN_taskName();
-DROP PROCEDURE uc_dolphin_T_t_ds_task_definition_A_drop_UN_taskName;
-
 -- ----------------------------
 -- Table structure for t_ds_environment
 -- ----------------------------

sql/upgrade/1.4.0_schema/postgresql/dolphinscheduler_ddl.sql

@@ -364,6 +364,9 @@ comment on column t_ds_task_instance.environment_code is 'environment code';
 ALTER TABLE t_ds_task_instance ADD COLUMN environment_config text;
 comment on column t_ds_task_instance.environment_config is 'environment config';
 
+ALTER TABLE t_ds_task_definition ALTER COLUMN resource_ids TYPE text;
+ALTER TABLE t_ds_task_definition_log ALTER COLUMN resource_ids TYPE text;
+
 --
 -- Table structure for table t_ds_environment_worker_group_relation
 --
@@ -379,27 +382,6 @@ CREATE TABLE t_ds_environment_worker_group_relation (
     CONSTRAINT environment_worker_group_unique UNIQUE (environment_code,worker_group)
 );
 
--- uc_dolphin_T_t_ds_task_definition_A_drop_UN_taskName
-delimiter d//
-CREATE OR REPLACE FUNCTION uc_dolphin_T_t_ds_task_definition_A_drop_UN_taskName() RETURNS void AS $$
-BEGIN
-    IF EXISTS (SELECT 1 FROM pg_stat_all_indexes
-          WHERE relname='t_ds_task_definition'
-                            AND indexrelname ='task_definition_unique')
-        ALTER TABLE t_ds_task_definition drop CONSTRAINT task_definition_unique;
-    END IF;
-END;
-$$ LANGUAGE plpgsql;
-d//
-
-delimiter ;
-SELECT uc_dolphin_T_t_ds_task_definition_A_drop_UN_taskName();
-DROP FUNCTION IF EXISTS uc_dolphin_T_t_ds_task_definition_A_drop_UN_taskName();
-
-
-ALTER TABLE t_ds_task_definition ALTER COLUMN resource_ids TYPE text;
-ALTER TABLE t_ds_task_definition_log ALTER COLUMN resource_ids TYPE text;
-
 -- ----------------------------
 -- These columns will not be used in the new version,if you determine that the historical data is useless, you can delete it using the sql below
 -- ----------------------------