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Posted to issues@flink.apache.org by "Kurt Young (Jira)" <ji...@apache.org> on 2020/01/09 09:09:00 UTC
[jira] [Closed] (FLINK-15466)
`FlinkAggregateExpandDistinctAggregatesRule` generates wrong plan for cases
that have distinct aggs with filter.
[ https://issues.apache.org/jira/browse/FLINK-15466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kurt Young closed FLINK-15466.
------------------------------
Resolution: Fixed
master: 6f2e9abffb0b1ef68e4f2cf058a24524b61e88a1
1.10.0: ce7968ecafcde69596897a2243235161cd347b13
> `FlinkAggregateExpandDistinctAggregatesRule` generates wrong plan for cases that have distinct aggs with filter.
> ----------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-15466
> URL: https://issues.apache.org/jira/browse/FLINK-15466
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.8.3, 1.9.1
> Reporter: Shuo Cheng
> Assignee: Shuo Cheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.0
>
> Attachments: image-2020-01-03-14-24-35-943.png
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> For the sql in batch mode,
>
> {code:java}
> SELECT
> a, COUNT(a), SUM(DISTINCT b) FILTER (WHERE a > 0)
> FROM MyTable
> GROUP BY a{code}
>
> plan generated after logical stage is as following, which is not correct. The `Filter $4` should be `$f2 *and* $g_0`.
> !image-2020-01-03-14-24-35-943.png!
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