Postgres Pro
Downloads
Home   >   mailing lists

Re: Incorrect cost for MergeAppend - Mailing list pgsql-hackers

From Alexander Kuzmenkov
Subject Re: Incorrect cost for MergeAppend
Date
Msg-id CALzhyqw92t2SfY5nREa+zm6E0r3s4R28qZCqn2pE8=-nscOouw@mail.gmail.com
Whole thread Raw
In response to Re: Incorrect cost for MergeAppend  (David Rowley <dgrowleyml@gmail.com>)
Responses Re: Incorrect cost for MergeAppend
List pgsql-hackers
Tree view 
On Tue, Jan 30, 2024 at 1:20 PM David Rowley <dgrowleyml@gmail.com> wrote:
> You should likely focus on trying to find a test that does not require
> making 2 tables with 10k rows.

Is 1k smallint OK? It should fit in one page. Still reproduces the
error, and the entire test case runs in under 10 ms.
Attachment

pgsql-hackers by date:

Previous
From: Jelte Fennema-Nio
Date:
Subject: Re: scram_iterations is undocumented GUC_REPORT
Next
From: Quan Zongliang
Date:
Subject: Re: Improvement discussion of custom and generic plans