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Do not read the catalog in is_age_extension_exists() outside a live transaction #2581

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Merged
MuhammadTahaNaveed merged 1 commit into from
Oct 11, 2026
+9 −0
Merged

Do not read the catalog in is_age_extension_exists() outside a live transaction #2581

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9 changes: 9 additions & 0 deletions src/backend/catalog/ag_catalog.c
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,15 @@ is_age_extension_exists(void)
{
static bool callback_registered = false;

/*
* Outside a live transaction (the ROLLBACK of a failed one) the catalog
* must not be read: the resource owner is already released, and the locks
* a catalog scan takes here would leak into the PGPROC. Nothing is cached,
* so the next live transaction asks the catalog again.
*/
if (!IsTransactionState())
return false;

if (extension_cache_is_valid)
return age_extension_exists;

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