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Re: BUG #18568: BUG: Result wrong when do group by on partition table! - Mailing list pgsql-bugs

From Tender Wang
Subject Re: BUG #18568: BUG: Result wrong when do group by on partition table!
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Msg-id CAHewXNkJusO0T1fWbWUN7-DV97bFExOnqSK1VuHx77rCL6d4UQ@mail.gmail.com
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In response to 回复： BUG #18568: BUG: Result wrong when do group by on partition table!  ("狂奔的蜗牛" <1105066510@qq.com>)
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狂奔的蜗牛 <1105066510@qq.com> 于2024年8月6日周二 19:33写道：
Partkey's collation stored in RelOptInfo->part_scheme, and I use it to fix the bug.
The attachment is my solution!

I look through your patch. Some code is not native for PG. For example:

if (nodeTag(groupexpr) == T_RelabelType)

usually, we use IsA() func.

--
Tender Wang

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