Khai Tran created CALCITE-3297:
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Summary: PigToSqlAggregateRule should be applied on multi-set
projection to produce an optimal plan
Key: CALCITE-3297
URL: https://issues.apache.org/jira/browse/CALCITE-3297
Project: Calcite
Issue Type: Bug
Components: piglet
Reporter: Khai Tran
Fixed testMultisetProjection() in PigRelOpTest.java to make sure the
PigToSqlAggregateRule is applied to produce an optimized plan for doing
multiset projection after COLLECT() agg func.
The optimization rule was blocked by change in CALCITE-3138.
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