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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-16249) With column stats, mergejoin.q throws NPE
Date Fri, 17 Mar 2017 23:04:41 GMT
Pengcheng Xiong created HIVE-16249:
--------------------------------------

             Summary: 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
            Reporter: Pengcheng Xiong
            Assignee: Pengcheng Xiong


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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