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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16249) With column stats, mergejoin.q throws NPE
Date Sun, 02 Apr 2017 23:15:41 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-16249:
-----------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

> With column stats, mergejoin.q throws NPE
> -----------------------------------------
>
>                 Key: HIVE-16249
>                 URL: https://issues.apache.org/jira/browse/HIVE-16249
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: 2.0.0, 2.1.0
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>             Fix For: 2.3.0
>
>         Attachments: HIVE-16249.01.patch, HIVE-16249.02.patch
>
>
> stack trace:
> {code}
> 2017-03-17T16:00:26,356 ERROR [3d512d4d-72b5-48fc-92cb-0c72f7c876e5 main] parse.CalcitePlanner:
CBO failed, skipping CBO.
> java.lang.NullPointerException
>         at org.apache.calcite.rel.metadata.RelMdUtil.estimateFilteredRows(RelMdUtil.java:719)
~[calcite-core-1.10.0.jar:1.10.0]
>         at org.apache.calcite.rel.metadata.RelMdRowCount.getRowCount(RelMdRowCount.java:123)
~[calcite-core-1.10.0.jar:1.10.0]
>         at GeneratedMetadataHandler_RowCount.getRowCount_$(Unknown Source) ~[?:?]
>         at GeneratedMetadataHandler_RowCount.getRowCount(Unknown Source) ~[?:?]
>         at GeneratedMetadataHandler_RowCount.getRowCount_$(Unknown Source) ~[?:?]
>         at GeneratedMetadataHandler_RowCount.getRowCount(Unknown Source) ~[?:?]
>         at org.apache.calcite.rel.metadata.RelMetadataQuery.getRowCount(RelMetadataQuery.java:201)
~[calcite-core-1.10.0.jar:1.10.0]
>         at org.apache.calcite.rel.metadata.RelMdRowCount.getRowCount(RelMdRowCount.java:132)
~[calcite-core-1.10.0.jar:1.10.0]
>         at GeneratedMetadataHandler_RowCount.getRowCount_$(Unknown Source) ~[?:?]
>         at GeneratedMetadataHandler_RowCount.getRowCount(Unknown Source) ~[?:?]
>         at GeneratedMetadataHandler_RowCount.getRowCount_$(Unknown Source) ~[?:?]
>         at GeneratedMetadataHandler_RowCount.getRowCount(Unknown Source) ~[?:?]
>         at org.apache.calcite.rel.metadata.RelMetadataQuery.getRowCount(RelMetadataQuery.java:201)
~[calcite-core-1.10.0.jar:1.10.0]
>         at org.apache.calcite.rel.rules.LoptOptimizeJoinRule.swapInputs(LoptOptimizeJoinRule.java:1866)
~[calcite-core-1.10.0.jar:1.10.0]
>         at org.apache.calcite.rel.rules.LoptOptimizeJoinRule.createJoinSubtree(LoptOptimizeJoinRule.java:1739)
~[calcite-core-1.10.0.jar:1.10.0]
>         at org.apache.calcite.rel.rules.LoptOptimizeJoinRule.addToTop(LoptOptimizeJoinRule.java:1216)
~[calcite-core-1.10.0.jar:1.10.0]
> {code}



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