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Posted to dev@flink.apache.org by "sunjincheng (JIRA)" <ji...@apache.org> on 2018/12/03 09:06:00 UTC
[jira] [Created] (FLINK-11052) Add Bounded(Group Window)
FlatAggregate operator to batch Table API
sunjincheng created FLINK-11052:
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Summary: Add Bounded(Group Window) FlatAggregate operator to batch Table API
Key: FLINK-11052
URL: https://issues.apache.org/jira/browse/FLINK-11052
Project: Flink
Issue Type: Sub-task
Components: Table API & SQL
Reporter: sunjincheng
Fix For: 1.8.0
Add FlatAggregate operator to *batch* group window Table API as described in [FLIP-29|https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=97552739].
The usage:
{code:java}
tab.window(Tumble/Session/Slide... as 'w)
.groupBy('w, 'k1, 'k2)
.flatAggregate(tableAggregate('a))
.select('w.rowtime, 'k1, 'k2, 'col1, 'col2)
{code}
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