Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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None
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None
Description
Enabling hive.stats.fetch.column.stats makes this test fail during:
EXPLAIN SELECT a.*, b.* FROM T1_n151 a RIGHT OUTER JOIN T2_n88 b ON a.key = b.key
Seems like joinKeys is null at this point
Exception:
2018-09-04T23:47:02,398 DEBUG [fef236ce-e62e-4c20-b0c0-3b15d2b336f7 main] annotation.StatsRulesProcFactory: STATS-JOIN[15]: detects none/multiple PK parents.
2018-09-04T23:47:02,409 ERROR [fef236ce-e62e-4c20-b0c0-3b15d2b336f7 main] ql.Driver: FAILED: NullPointerException null
java.lang.NullPointerException
at org.apache.hadoop.hive.ql.optimizer.stats.annotation.StatsRulesProcFactory$JoinStatsRule.isJoinKey(StatsRulesProcFactory.java:2169)
at org.apache.hadoop.hive.ql.optimizer.stats.annotation.StatsRulesProcFactory$JoinStatsRule.updateNumNulls(StatsRulesProcFactory.java:2210)
at org.apache.hadoop.hive.ql.optimizer.stats.annotation.StatsRulesProcFactory$JoinStatsRule.updateColStats(StatsRulesProcFactory.java:2276)
at org.apache.hadoop.hive.ql.optimizer.stats.annotation.StatsRulesProcFactory$JoinStatsRule.process(StatsRulesProcFactory.java:1785)
at org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:105)
at org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:89)
at org.apache.hadoop.hive.ql.lib.LevelOrderWalker.walk(LevelOrderWalker.java:143)
Attachments
Attachments
Issue Links
- relates to
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HIVE-17084 Turn on hive.stats.fetch.column.stats configuration flag
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- Closed
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