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https://issues.apache.org/jira/browse/HIVE-16249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15933692#comment-15933692
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Pengcheng Xiong commented on HIVE-16249:
----------------------------------------
[~ashutoshc], could u take a look? Thanks.
> 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
> Attachments: HIVE-16249.01.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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