| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Thom Brown <thom(at)linux(dot)com> |
| Cc: | Richard Guo <guofenglinux(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: remove_useless_joins vs. bug #19560 |
| Date: | 2026-07-26 02:15:28 |
| Message-ID: | 2933135.1785032128@sss.pgh.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
Here's a patchset addressing that. 0001-0003 are the same as before,
and then 0004 fixes this bug and adds tests.
Your Claude session mentioned a different failure scenario, but
gave no examples so I'm not quite sure if this covers it or not.
regards, tom lane
| Attachment | Content-Type | Size |
|---|---|---|
| v3-0001-Postpone-initialization-of-all_result_relids-leaf.patch | text/x-diff | 4.7 KB |
| v3-0002-Perform-join-removal-by-editing-the-query-s-joint.patch | text/x-diff | 58.2 KB |
| v3-0003-Remove-dead-code-that-s-no-longer-needed-for-join.patch | text/x-diff | 64.1 KB |
| v3-0004-Ensure-we-hoist-modified-quals-to-the-right-join-.patch | text/x-diff | 9.4 KB |
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