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Type:
Bug
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 1.4.0-incubating
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Fix Version/s: 1.5.0
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Component/s: None
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Labels:None
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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