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https://issues.apache.org/jira/browse/HIVE-19613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16481372#comment-16481372
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Gunther Hagleitner commented on HIVE-19613:
-------------------------------------------
LGTM +1
> GenericUDTFGetSplits should handle fetch task with temp table rewrite
> ---------------------------------------------------------------------
>
> Key: HIVE-19613
> URL: https://issues.apache.org/jira/browse/HIVE-19613
> Project: Hive
> Issue Type: Bug
> Affects Versions: 3.1.0
> Reporter: Eric Wohlstadter
> Assignee: Prasanth Jayachandran
> Priority: Major
> Attachments: HIVE-19613.1.patch
>
>
> GenericUDTFGetSplits fails for fetch task only queries. Fetch task only
> queries can be handled same way as >1 task queries using temp tables.
> {code:java}
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Was expecting a
> single TezTask.
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDTFGetSplits.createPlanFragment(GenericUDTFGetSplits.java:262)
> at
> org.apache.hadoop.hive.ql.udf.generic.GenericUDTFGetSplits.process(GenericUDTFGetSplits.java:201)
> at org.apache.hadoop.hive.ql.exec.UDTFOperator.process(UDTFOperator.java:116)
> at org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:984)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:930)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:917)
> at
> org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
> at org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:984)
> at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:930)
> at
> org.apache.hadoop.hive.ql.exec.TableScanOperator.process(TableScanOperator.java:125)
> at
> org.apache.hadoop.hive.ql.exec.FetchOperator.pushRow(FetchOperator.java:492)
> at
> org.apache.hadoop.hive.ql.exec.FetchOperator.pushRow(FetchOperator.java:484)
> at org.apache.hadoop.hive.ql.exec.FetchTask.fetch(FetchTask.java:145)
> ... 16 more{code}
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