Milinda Lakmal Pathirage created CALCITE-784:
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Summary: LoggicalAggregate's create method discard any collation
traits from input
Key: CALCITE-784
URL: https://issues.apache.org/jira/browse/CALCITE-784
Project: Calcite
Issue Type: Bug
Components: core
Reporter: Milinda Lakmal Pathirage
Assignee: Julian Hyde
LogicalAggregate's create method gets the trait set of Convention.NONE from
input's cluster, but doesn't use any trait information from the input. But to
have proper collation trait set we need to consider input's collation trait set
when inferring LogicalAggregate's traits.
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