Re: [PG19] Stale state after the join removal restart gives wrong results

From: shihao zhong <zhong950419(at)gmail(dot)com>
To: pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Guofenglinux <guofenglinux(at)gmail(dot)com>
Subject: Re: [PG19] Stale state after the join removal restart gives wrong results
Date: 2026-10-13 03:03:54
Message-ID: CAGRkXqTK--7y8HiaWm7+U=b-KS1aOqi=bMkrqBvXH46y3S_+Jg@mail.gmail.com
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> master returns 29 for the first column, the answer is 3.
> enable_self_join_elimination = off gives 3. 0001 clears the flag at
> the top of that function.

master(wrong) returns 30, not 29.

Thanks,
Shihao

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