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| author | Noah Misch <noah@leadboat.com> | 2024-06-27 19:21:06 -0700 |
|---|---|---|
| committer | Noah Misch <noah@leadboat.com> | 2024-06-27 19:21:13 -0700 |
| commit | 7a21306aee0ac55d931e3da618735a75bda67245 (patch) | |
| tree | 8b7f9eaf7cc6ba7616774438d44feb41fbde0cd3 /src/backend/utils/adt/numeric.c | |
| parent | b899cde0b86acfeb6310489ab6c478059075a8f4 (diff) | |
| download | postgresql-7a21306aee0ac55d931e3da618735a75bda67245.tar.gz postgresql-7a21306aee0ac55d931e3da618735a75bda67245.zip | |
Cope with inplace update making catcache stale during TOAST fetch.
This extends ad98fb14226ae6456fbaed7990ee7591cbe5efd2 to invals of
inplace updates. Trouble requires an inplace update of a catalog having
a TOAST table, so only pg_database was at risk. (The other catalog on
which core code performs inplace updates, pg_class, has no TOAST table.)
Trouble would require something like the inplace-inval.spec test.
Consider GRANT ... ON DATABASE fetching a stale row from cache and
discarding a datfrozenxid update that vac_truncate_clog() has already
relied upon. Back-patch to v12 (all supported versions).
Reviewed (in an earlier version) by Robert Haas.
Discussion: https://postgr.es/m/20240114201411.d0@rfd.leadboat.com
Discussion: https://postgr.es/m/20240512232923.aa.nmisch@google.com
Diffstat (limited to 'src/backend/utils/adt/numeric.c')
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