Fix float8_regr_accum() for Inf/NaN with constant other input.

Further cleanup for commit 54cd6fc83.

postgres_fdw: Mark statistics import helpers as static

postgres_fdw: Remove SPI from postgresImportForeignStatistics.

Remove unnecessary list_free() calls in OpenTableList().

Fix unsafe order of operations in ResourceOwnerReleaseAll().

Fix pg_strupper/lower/title/fold() functions to work with C locale

Tweak allocation rule for tzload()'s "union local_storage" variable.

Redefine max_files_per_process to control additionally opened files

pgbench: Increase RLIMIT_NOFILE if necessary

When changing owner of a subscription, do not throw an error.

Revert "Validate subscription conninfo on owner change"

CREATE SUBSCRIPTION: do not construct conninfo unnecessarily.

For subscription DDL, demote user mapping checks to WARNING.

Always check foreign-server USAGE when resolving subscription conninfo.

Add ssup_datum_uint32_cmp for comparing OIDs