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Remove redundant check for default collation.

author Jeff Davis <jdavis@postgresql.org>

2024年9月12日 20:35:49 +0000 (13:35 -0700)

committer Jeff Davis <jdavis@postgresql.org>

2024年9月12日 20:35:49 +0000 (13:35 -0700)

The operative check is for a deterministic collation, so the check for
DEFAULT_COLLATION is redundant. Furthermore, it will be wrong if we
ever support a non-deterministic default collation.

Author: Andreas Karlsson
Discussion: https://postgr.es/m/60929555-4709-40a7-b136-bcb44cff5a3c@proxel.se

src/backend/utils/adt/varlena.c patch | blob | blame | history

diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c

index 18629438881734cc9bc1a16e2db6dad231a176b2..3658d0047b0bdcc1178b7a465ce9457dfec56581 100644 (file)

--- a/src/backend/utils/adt/varlena.c

+++ b/src/backend/utils/adt/varlena.c

@@ -2540,7 +2540,6 @@ btvarstrequalimage(PG_FUNCTION_ARGS)

locale = pg_newlocale_from_collation(collid);

if (locale->collate_is_c ||

- collid == DEFAULT_COLLATION_OID ||

pg_locale_deterministic(locale))

PG_RETURN_BOOL(true);

else

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