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ASF GitHub Bot logged work on HIVE-23822: ----------------------------------------- Author: ASF GitHub Bot Created on: 14/Jul/20 15:58 Start Date: 14/Jul/20 15:58 Worklog Time Spent: 10m Work Description: jcamachor commented on a change in pull request #1231: URL: https://github.com/apache/hive/pull/1231#discussion_r454464296 ########## File path: ql/src/java/org/apache/hadoop/hive/ql/optimizer/SortedDynPartitionOptimizer.java ########## @@ -409,26 +409,54 @@ private boolean removeRSInsertedByEnforceBucketing(FileSinkOperator fsOp) { // and grand child if (found) { Operator<? extends OperatorDesc> rsParent = rsToRemove.getParentOperators().get(0); - Operator<? extends OperatorDesc> rsChild = rsToRemove.getChildOperators().get(0); - Operator<? extends OperatorDesc> rsGrandChild = rsChild.getChildOperators().get(0); - - if (rsChild instanceof SelectOperator) { - // if schema size cannot be matched, then it could be because of constant folding - // converting partition column expression to constant expression. The constant - // expression will then get pruned by column pruner since it will not reference to - // any columns. - if (rsParent.getSchema().getSignature().size() != - rsChild.getSchema().getSignature().size()) { + List<Operator<? extends OperatorDesc>> rsChildren = rsToRemove.getChildOperators(); + + Operator<? extends OperatorDesc> rsChildToRemove = null; + + for (Operator<? extends OperatorDesc> rsChild : rsChildren) { Review comment: Yes, there should not be a RS with multiple children, we can simplify that code. You can even add an assert to the new code to make sure. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 458743) Time Spent: 50m (was: 40m) > Sorted dynamic partition optimization could remove auto stat task > ----------------------------------------------------------------- > > Key: HIVE-23822 > URL: https://issues.apache.org/jira/browse/HIVE-23822 > Project: Hive > Issue Type: Bug > Components: Query Planning > Reporter: Vineet Garg > Assignee: Vineet Garg > Priority: Major > Labels: pull-request-available > Time Spent: 50m > Remaining Estimate: 0h > > {{mm_dp}} has reproducer where INSERT query is missing auto stats task. -- This message was sent by Atlassian Jira (v8.3.4#803005)