optimize

Author: MarkPotato777

build-resource

@@ -0,0 +1,20 @@
+CREATE OR REPLACE  VIEW `list_flow_instance_view` AS select /*+use_merge(flow_instance flow_instance_node_task)*/
+    `flow_instance`.`id` AS `id`,
+    `flow_instance`.`create_time` AS `create_time`,
+    `flow_instance`.`update_time` AS `update_time`,
+    `flow_instance`.`name` AS `name`,
+    `flow_instance`.`flow_config_id` AS `flow_config_id`,
+    `flow_instance`.`creator_id` AS `creator_id`,
+    `flow_instance`.`organization_id` AS `organization_id`,
+    `flow_instance`.`process_definition_id` AS `process_definition_id`,
+    `flow_instance`.`process_instance_id` AS `process_instance_id`,
+    `flow_instance`.`status` AS `status`,
+    `flow_instance`.`flow_config_snapshot_xml` AS `flow_config_snapshot_xml`,
+    `flow_instance`.`description` AS `description`,
+    `flow_instance`.`parent_instance_id` AS `parent_instance_id`,
+    `flow_instance`.`project_id` AS `project_id`,
+    `flow_instance_node_task`.`task_type` AS `task_type`
+from
+    (
+        `flow_instance` join `flow_instance_node_task` on  ( `flow_instance`.`id` = `flow_instance_node_task`.`flow_instance_id`)
+    );

server/odc-migrate/src/main/resources/migrate/common/V_4_2_3_18__create_list_flow_instance_view.sql

@@ -16,6 +16,7 @@
 
 package com.oceanbase.odc.metadb.flow;
 
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.Date;
 import java.util.Objects;
@@ -98,6 +99,13 @@ public static Specification<FlowInstanceViewEntity> taskTypeIn(Collection<TaskTy
         return SpecificationUtil.columnIn(FLOW_INSTANCE_VIEW_TASK_TYPE, taskTypes);
     }
 
+    public static Specification<FlowInstanceViewEntity> groupByIdAndTaskType() {
+        return (root, query, cb) -> {
+            query.groupBy(Arrays.asList(root.get(FLOW_INSTANCE_VIEW_ID_NAME), root.get(FLOW_INSTANCE_VIEW_TASK_TYPE)));
+            return cb.conjunction();
+        };
+    }
+
     public static Specification<FlowInstanceViewEntity> leftJoinFlowInstanceApprovalView(
             @NotNull Set<String> resourceRoleIdentifiers, Long creatorId, Set<FlowNodeStatus> statusList) {
         return (root, query, builder) -> {

server/odc-service/src/main/java/com/oceanbase/odc/metadb/flow/FlowInstanceViewSpecs.java

@@ -376,7 +376,8 @@ public Page<FlowInstanceEntity> listAll(@NotNull Pageable pageable, @NotNull Que
                 .and(FlowInstanceViewSpecs.statusIn(params.getStatuses()))
                 .and(FlowInstanceViewSpecs.createTimeLate(params.getStartTime()))
                 .and(FlowInstanceViewSpecs.createTimeBefore(params.getEndTime()))
-                .and(FlowInstanceViewSpecs.idEquals(targetId));
+                .and(FlowInstanceViewSpecs.idEquals(targetId))
+                .and(FlowInstanceViewSpecs.groupByIdAndTaskType());
         if (params.getType() != null) {
             specification = specification.and(FlowInstanceViewSpecs.taskTypeEquals(params.getType()));
         } else {