Create syscache entries for pg_extension Two syscache identifiers are added for extension names and OIDs.
Shared libraries of extensions might want to invalidate or update their own caches whenever a CREATE, ALTER or DROP EXTENSION command is run for their extension (in any backend). Right now this is non-trivial to do correctly and efficiently, but, if an extension catalog is part of a syscache, this could simply be done by registering an callback using CacheRegisterSyscacheCallback for the relevant syscache. Another case where this is useful is a loaded library where some of its code paths rely on some objects of the extension to exist; it can be simpler and more efficient to do an existence check directly on the extension through the syscache. Author: Jelte Fennema-Nio Reviewed-by: Alexander Korotkov, Pavel Stehule Discussion: https://postgr.es/m/cageczqtwm9sex719hptbq4j56hbguti7j9owjemobq1ccro...@mail.gmail.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/490f869d92e5db38731b85b9be3cffdc65461808 Modified Files -------------- src/include/catalog/pg_extension.h | 3 +++ 1 file changed, 3 insertions(+)
