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Refactor to introduce pg_locale_deterministic().

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Avoids the need of callers to test for NULL, and also avoids the need
to access the pg_locale_t structure directly.

Reviewed-by: Peter Eisentraut, Peter Geoghegan
Discussion: https://postgr.es/m/a581136455c940d7bd0ff482d3a2bd51af25a94f.camel%40j-davis.com
This commit is contained in:
Jeff Davis
2023-02-23 11:17:41 -08:00
parent d87d548cd0
commit 6974a8f768
7 changed files with 25 additions and 17 deletions
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2
src/backend/regex/regc_pg_locale.c
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@ -259,7 +259,7 @@ pg_set_regex_collation(Oid collation)
*/
pg_regex_locale = pg_newlocale_from_collation(collation);
if (pg_regex_locale && !pg_regex_locale->deterministic)
if (!pg_locale_deterministic(pg_regex_locale))
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("nondeterministic collations are not supported for regular expressions")));