Chengxiang Li created FLINK-3487:
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Summary: [SQL] FilterAggregateTransposeRule does not transform
logical plan as desired.
Key: FLINK-3487
URL: https://issues.apache.org/jira/browse/FLINK-3487
Project: Flink
Issue Type: Bug
Reporter: Chengxiang Li
Priority: Minor
{noformat}
val t = CollectionDataSets.get3TupleDataSet(env).as('a, 'b, 'c)
.groupBy('a)
.select('a, 'b.avg as 'value)
.filter('a === 1)
{noformat}
For this query, filter is expected to be pushed down before the aggregate by
FilterAggregateTransposeRule, currently the optimzied logical plan is not what
we desired.
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