[HIVE-19613] GenericUDTFGetSplits should handle fetch task with temp table rewrite

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0, 3.0.1, 4.0.0-alpha-1
• Target Version/s: 3.1.0
• Assignee: Prasanth Jayachandran
• Reporter: Eric Wohlstadter
• Created: 18/May/18 22:25
• Updated: 21/Oct/22 06:59
• Resolved: 23/May/18 09:55

Description

GenericUDTFGetSplits fails for fetch task only queries. Fetch task only queries can be handled same way as >1 task queries using temp tables. 

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

Issue Links

• links to: RB