Jeremy Karn created PIG-3355:
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Summary: ColumnMapKeyPrune bug with distinct operator
Key: PIG-3355
URL: https://issues.apache.org/jira/browse/PIG-3355
Project: Pig
Issue Type: Bug
Reporter: Jeremy Karn
We came across a bug that happens when you have a distinct operator immediately
followed by a union where the result of the union has at least one column that
will be pruned by ColumnMapKeyPrune. There's a test showing an example script
in the submitted patch.
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