Re: BUG #19056: ExecInitPartitionExecPruning segfault due to NULL es_part_prune_infos
amit <amitlangote09@gmail.com>
From: Amit Langote <amitlangote09@gmail.com>
To: feichanghong <feichanghong@qq.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, David Rowley <dgrowleyml@gmail.com>, pgsql-bugs@lists.postgresql.org
Date: 2025-09-18T06:20:20Z
Lists: pgsql-bugs
Commits
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Fix EPQ crash from missing partition pruning state in EState
- 9a82a64edcd8 18.0 landed
- 8741e48e5dda 19 (unreleased) landed
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Calculate agglevelsup correctly when Aggref contains a CTE.
- b0cc0a71e0a0 19 (unreleased) cited
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Move PartitionPruneInfo out of plan nodes into PlannedStmt
- bb3ec16e14de 18.0 cited
Attachments
- v5-0001-Fix-EPQ-crash-from-missing-partition-pruning-stat.patch (application/octet-stream) patch v5-0001
On Thu, Sep 18, 2025 at 3:15 PM feichanghong <feichanghong@qq.com> wrote: > On Sep 18, 2025, at 14:09, Amit Langote <amitlangote09@gmail.com> wrote: > > On Thu, Sep 18, 2025 at 1:56 PM Amit Langote <amitlangote09@gmail.com> wrote: > > On Thu, Sep 18, 2025 at 1:11 PM Tom Lane <tgl@sss.pgh.pa.us> wrote: > > > David Rowley <dgrowleyml@gmail.com> writes: > > On Thu, 18 Sept 2025 at 15:37, Amit Langote <amitlangote09@gmail.com> wrote: > > +# Test that EState.es_part_prune_infos is properly set in EvalPlanQualStart() > +# Bug #19056 > > > I don't think it's that useful to note down the bug number that caused > that test to be added. > > > We're inconsistent about whether we do that or not, but it's > far from un-heard-of. I just today pushed a patch in which > I did mention the bug# in the test case [1], and I did so > mostly because the adjacent test case had a similar comment. > So I see no reason to object to Amit's usage. > > > I was just mimicking a few other "cf bug #" mentions in > eval-plan-qual.spec, but I'm fine to take it out if we'd prefer to > reduce that. Git blame is enough. > > I think it'd be better to write something like: > "Exercise run-time partition pruning code in an EPQ plan" > > > Not expressing an opinion about whether that's better or > worse than Amit's lede. > > > What I added is: > > # Test that EState.es_part_prune_infos is properly set in EvalPlanQualStart() > > I'm fine to change the comment to David's suggestion since that makes > the test description less narrowly tied to one fix of one specific > issue in that path. > > > Patch updated. > > +# EState.es_part_prune_infos bug #19056 Oops, coffee deficiency. Updated again. -- Thanks, Amit Langote