608704adee
We do not allow a DROP SERVER ... CASCADE to implicitly drop a subscription, because it's in a shared catalog and dropping a subscription has side effects. Instead we throw an error and the user must drop the subscription explicitly. Document this behavior and add a HINT to the error message. Generalize AcquireDeletionLock()/ReleaseDeletionLock() to use shared object locks for all shared catalogs, which includes AuthMemRelationId and now SubscriptionRelationId. Move error message after AcquireDeletionLock() to avoid an unnecessary error if there's a concurrent DROP SUBSCRIPTION. Addresses finding 10 & 15 in report from linked discussion. Reported-by: Noah Misch <noah@leadboat.com> Discussion: https://postgr.es/m/20260710195902.4f.noahmisch@microsoft.com Backpatch-through: 19
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
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