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  1. Calcite
  2. CALCITE-570

ReduceExpressionsRule throws "duplicate key" exception

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • None
    • 1.0.0-incubating
    • None
    • None

    Description

      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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            julianhyde Julian Hyde
            jpullokkaran Laljo John Pullokkaran
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            Dates

              Created:
              Updated:
              Resolved: