Add pg_column_toast_chunk_id().
authorNathan Bossart
Thu, 14 Mar 2024 15:58:00 +0000 (10:58 -0500)
committerNathan Bossart
Thu, 14 Mar 2024 15:58:00 +0000 (10:58 -0500)
commitd1162cfda885c5a8cb9cebfc8eed9f1d76855e83
tree7211679289e248d36e3129aa19f6518ac53ec584
parent84c18acaf690e438e953e387caf1c13298d4ecb4
Add pg_column_toast_chunk_id().

This function returns the chunk_id of an on-disk TOASTed value.  If
the value is un-TOASTed or not on-disk, it returns NULL.  This is
useful for identifying which values are actually TOASTed and for
investigating "unexpected chunk number" errors.

Bumps catversion.

Author: Yugo Nagata
Reviewed-by: Jian He
Discussion: https://postgr.es/m/20230329105507.d764497456eeac1ca491b5bd%40sraoss.co.jp
doc/src/sgml/func.sgml
src/backend/utils/adt/varlena.c
src/include/catalog/catversion.h
src/include/catalog/pg_proc.dat
src/test/regress/expected/misc_functions.out
src/test/regress/sql/misc_functions.sql