[HIVE-16249] With column stats, mergejoin.q throws NPE

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0, 2.1.0
• Fix Version/s: 2.3.0
• Assignee: Pengcheng Xiong
• Reporter: Pengcheng Xiong
• Created: 17/Mar/17 23:04
• Updated: 02/Apr/17 23:14
• Resolved: 02/Apr/17 23:14

Description

stack trace:

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]