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[Improvement-17755][Dao] Optimize pagination query performance of projects/workflow-instances/task-instances #17756

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[Improvement-17755][Dao] Optimize pagination query performance of projects/workflow-instances/task-instances #17756

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[Improvement-17755][Dao]optimize pagination query performance by addi…
fanzhenyu95 Nov 29, 2025
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Merge branch 'dev' into dev_fanzhenyu_addIndex
SbloodyS Dec 19, 2025
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8 changes: 6 additions & 2 deletions dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_mysql.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -646,7 +646,9 @@ CREATE TABLE `t_ds_workflow_instance` (
`restart_time` datetime DEFAULT NULL COMMENT 'workflow instance restart time',
PRIMARY KEY (`id`),
KEY `workflow_instance_index` (`workflow_definition_code`,`id`) USING BTREE,
KEY `start_time_index` (`start_time`,`end_time`) USING BTREE
KEY `start_time_index` (`start_time`,`end_time`) USING BTREE,
KEY `idx_project_code_start_time` (`project_code`, `start_time` DESC, `id` DESC) USING BTREE,
KEY `idx_workflow_definition_code_start_time` (`workflow_definition_code`, `start_time` DESC) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COLLATE = utf8_bin;

-- ----------------------------
Expand Down Expand Up @@ -937,7 +939,9 @@ CREATE TABLE `t_ds_task_instance` (
`memory_max` int(11) DEFAULT '-1' NOT NULL COMMENT 'MemoryMax(MB): -1:Infinity',
PRIMARY KEY (`id`),
KEY `workflow_instance_id` (`workflow_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 `idx_project_code_submit_time` (`project_code`, `submit_time` DESC) USING BTREE,
KEY `idx_project_code_start_time` (`project_code`, `start_time` DESC) USING BTREE
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COLLATE = utf8_bin;

-- ----------------------------
Expand Down
5 changes: 5 additions & 0 deletions dolphinscheduler-dao/src/main/resources/sql/dolphinscheduler_postgresql.sql
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Expand Up @@ -589,6 +589,8 @@ CREATE TABLE t_ds_workflow_instance (

create index workflow_instance_index on t_ds_workflow_instance (workflow_definition_code,id);
create index start_time_index on t_ds_workflow_instance (start_time,end_time);
create index idx_project_code_start_time on t_ds_workflow_instance (project_code, start_time DESC, id DESC);
create index idx_workflow_definition_code_start_time on t_ds_workflow_instance (workflow_definition_code, start_time DESC);

--
-- Table structure for table t_ds_project
Expand Down Expand Up @@ -859,6 +861,9 @@ 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 idx_project_code_submit_time on t_ds_task_instance (project_code, submit_time DESC);
create index idx_workflow_instance_id on t_ds_task_instance (workflow_instance_id);
create index idx_project_code_start_time on t_ds_task_instance (project_code, start_time DESC);

--
-- Table structure for t_ds_task_instance_context
Expand Down
5 changes: 5 additions & 0 deletions ...nscheduler-dao/src/main/resources/sql/upgrade/3.4.0_schema/mysql/dolphinscheduler_ddl.sql
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Expand Up @@ -36,3 +36,8 @@ CREATE TABLE IF NOT EXISTS `t_ds_serial_command` (
KEY `idx_workflow_instance_id` (`workflow_instance_id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8 COLLATE = utf8_bin;

-- Add indexes for workflow instance and task instance
ALTER TABLE `t_ds_workflow_instance` ADD INDEX `idx_project_code_start_time` (`project_code`, `start_time` DESC, `id` DESC) USING BTREE;
ALTER TABLE `t_ds_workflow_instance` ADD INDEX `idx_workflow_definition_code_start_time` (`workflow_definition_code`, `start_time` DESC) USING BTREE;
ALTER TABLE `t_ds_task_instance` ADD INDEX `idx_project_code_submit_time` (`project_code`, `submit_time` DESC) USING BTREE;
ALTER TABLE `t_ds_task_instance` ADD INDEX `idx_project_code_start_time` (`project_code`, `start_time` DESC) USING BTREE;
6 changes: 6 additions & 0 deletions ...duler-dao/src/main/resources/sql/upgrade/3.4.0_schema/postgresql/dolphinscheduler_ddl.sql
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Expand Up @@ -43,3 +43,9 @@ COMMENT ON COLUMN "t_ds_serial_command"."state" IS 'state of the serial queue: 0
COMMENT ON COLUMN "t_ds_serial_command"."command" IS 'command json';
COMMENT ON COLUMN "t_ds_serial_command"."create_time" IS 'create time';
COMMENT ON COLUMN "t_ds_serial_command"."update_time" IS 'update time';

-- Add indexes for workflow instance and task instance
CREATE INDEX idx_project_code_start_time ON t_ds_workflow_instance (project_code, start_time DESC, id DESC);
CREATE INDEX idx_workflow_definition_code_start_time ON t_ds_workflow_instance (workflow_definition_code, start_time DESC);
CREATE INDEX idx_project_code_submit_time ON t_ds_task_instance (project_code, submit_time DESC);
CREATE INDEX idx_project_code_start_time ON t_ds_task_instance (project_code, start_time DESC);
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