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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2025-04-21 11:34:36 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2025-04-21 11:34:36 -0400 |
| commit | 5ec8b01c30e7ea34bb42592ad9d34d4b02ea593d (patch) | |
| tree | d2e47852d18582145ceb6a3c68225d05e1292248 /src/tutorial/funcs.source | |
| parent | 706cbed351037fb5e886815506515d1281e62d40 (diff) | |
| download | postgresql-5ec8b01c30e7ea34bb42592ad9d34d4b02ea593d.tar.gz postgresql-5ec8b01c30e7ea34bb42592ad9d34d4b02ea593d.zip | |
MemoryContextCreate: assert parent is valid and different from node.
The case of "node == parent" might seem impossible, since we just
allocated the new node. But it's possible if parent is a dangling
reference to a recently-deleted context. In fact, given aset.c's
habit of recycling contexts, it's actually rather likely if that's so.
If we'd had this assertion before, it would have simplified debugging
a recently-identified walsender issue.
Reported-by: Anthonin Bonnefoy <anthonin.bonnefoy@datadoghq.com>
Author: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/CAO6_XqoJA7-_G6t7Uqe5nWF3nj+QBGn4F6Ptp=rUGDr0zo+KvA@mail.gmail.com
Diffstat (limited to 'src/tutorial/funcs.source')
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