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https://issues.apache.org/jira/browse/CALCITE-570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-570.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.0.0-incubating
Fixed in
http://git-wip-us.apache.org/repos/asf/incubator-calcite/commit/7f815c99.
> ReduceExpressionsRule throws "duplicate key" exception
> ------------------------------------------------------
>
> Key: CALCITE-570
> URL: https://issues.apache.org/jira/browse/CALCITE-570
> Project: Calcite
> Issue Type: Bug
> Reporter: Laljo John Pullokkaran
> Assignee: Julian Hyde
> Fix For: 1.0.0-incubating
>
>
> Hive's unit test that reproduces the problem: smb_mapjoin_25
> Stack Trace:
> java.lang.IllegalArgumentException: duplicate key: $1
> at
> com.google.common.base.Preconditions.checkArgument(Preconditions.java:119)
> at
> com.google.common.collect.RegularImmutableMap.<init>(RegularImmutableMap.java:67)
> at
> com.google.common.collect.ImmutableMap$Builder.fromEntryList(ImmutableMap.java:249)
> at
> com.google.common.collect.ImmutableMap$Builder.build(ImmutableMap.java:235)
> at
> org.apache.calcite.rel.rules.ReduceExpressionsRule.predicateConstants(ReduceExpressionsRule.java:451)
> at
> org.apache.calcite.rel.rules.ReduceExpressionsRule.reduceExpressions(ReduceExpressionsRule.java:337)
> at
> org.apache.calcite.rel.rules.ReduceExpressionsRule$3.onMatch(ReduceExpressionsRule.java:223)
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