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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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8
src/backend/utils/adt/varchar.c
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@@ -762,7 +762,7 @@ bpchareq(PG_FUNCTION_ARGS)
else
mylocale = pg_newlocale_from_collation(collid);
if (locale_is_c || !mylocale || mylocale->deterministic)
if (locale_is_c || pg_locale_deterministic(mylocale))
{
/*
* Since we only care about equality or not-equality, we can avoid all
@@ -807,7 +807,7 @@ bpcharne(PG_FUNCTION_ARGS)
else
mylocale = pg_newlocale_from_collation(collid);
if (locale_is_c || !mylocale || mylocale->deterministic)
if (locale_is_c || pg_locale_deterministic(mylocale))
{
/*
* Since we only care about equality or not-equality, we can avoid all
@@ -1015,7 +1015,7 @@ hashbpchar(PG_FUNCTION_ARGS)
if (!lc_collate_is_c(collid))
mylocale = pg_newlocale_from_collation(collid);
if (!mylocale || mylocale->deterministic)
if (pg_locale_deterministic(mylocale))
{
result = hash_any((unsigned char *) keydata, keylen);
}
@@ -1077,7 +1077,7 @@ hashbpcharextended(PG_FUNCTION_ARGS)
if (!lc_collate_is_c(collid))
mylocale = pg_newlocale_from_collation(collid);
if (!mylocale || mylocale->deterministic)
if (pg_locale_deterministic(mylocale))
{
result = hash_any_extended((unsigned char *) keydata, keylen,
PG_GETARG_INT64(1));