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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1.4.0-incubating
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None
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None
Description
The method
public static RelNode createProject( final RelFactories.ProjectFactory factory, final RelNode child, final List<Integer> posList)
in RelOptUtil should uniquify fields before creating the Project operator. Otherwise, we might end up hitting an assertion in the Project constructor. This behavior was observed using the AggregateProjectMergeRule rule.
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