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Posted to commits@dolphinscheduler.apache.org by GitBox <gi...@apache.org> on 2021/08/16 10:46:38 UTC

[GitHub] [dolphinscheduler] ruanwenjun commented on a change in pull request #5985: [SOC 2021][Improvement][Dao] SQL optimization - join

ruanwenjun commented on a change in pull request #5985:
URL: https://github.com/apache/dolphinscheduler/pull/5985#discussion_r689427242



##########
File path: dolphinscheduler-dao/src/main/resources/org/apache/dolphinscheduler/dao/mapper/WorkFlowLineageMapper.xml
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@@ -42,7 +42,7 @@
         ptr.process_definition_version
         where pd.project_code = #{projectCode}
         <if test="ids != null and ids.size()>0">
-            and pd.id in
+            and pd.id exists

Review comment:
       Does this SQL faster?




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