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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2020/10/26 10:05:56 UTC

[GitHub] [incubator-doris] ccoffline edited a comment on issue #4772: [Bug] UNION ALL query return wrong empty set

ccoffline edited a comment on issue #4772:
URL: https://github.com/apache/incubator-doris/issues/4772#issuecomment-716422477


   This bug is caused by #4206's fix #4235, `scanNodes.clear()` here remove all previous `scanNodes` if the last statement's condition is false.
   https://github.com/apache/incubator-doris/blob/a61eea3b2e76d741c98b9faed8cec51c1d469f94/fe/fe-core/src/main/java/org/apache/doris/planner/SingleNodePlanner.java#L284-L290


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