[ 
https://issues.apache.org/jira/browse/HIVE-19808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Eric Wohlstadter updated HIVE-19808:
------------------------------------
    Status: Patch Available  (was: Open)

> GenericUDTFGetSplits should support ACID reads in the temp. table read path
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-19808
>                 URL: https://issues.apache.org/jira/browse/HIVE-19808
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Eric Wohlstadter
>            Assignee: Eric Wohlstadter
>            Priority: Major
>         Attachments: HIVE-19808.1.patch
>
>
> 1. Map-only reads work on ACID tables.
> 2. Temp. table reads (for multi-vertex queries) work on non-ACID tables.
> 3. But temp. table reads don't work on ACID tables.
> {code}
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Failed to create 
> temp table: java.lang.IllegalStateException: calling recordValidTxn() more 
> than once in the same txnid:420
>       at 
> org.apache.hadoop.hive.ql.udf.generic.GenericUDTFGetSplits.createPlanFragment(GenericUDTFGetSplits.java:303)
>       at 
> org.apache.hadoop.hive.ql.udf.generic.GenericUDTFGetSplits.process(GenericUDTFGetSplits.java:202)
>       at 
> org.apache.hadoop.hive.ql.exec.UDTFOperator.process(UDTFOperator.java:116)
>       at 
> org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:985)
>       at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:931)
>       at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:918)
>       at 
> org.apache.hadoop.hive.ql.exec.SelectOperator.process(SelectOperator.java:95)
>       at 
> org.apache.hadoop.hive.ql.exec.Operator.baseForward(Operator.java:985)
>       at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:931)
>       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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