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initdb: replace check_icu_locale() with default_icu_locale().

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The extra checks done in check_icu_locale() are not necessary. An
existing comment already pointed out that the checks would be done
during post-bootstrap initialization, when the locale is opened by the
backend. This was a mistake in commit 27b62377b4.

This commit creates a simpler function default_icu_locale() to just
return the locale of the default collator.

Discussion: https://postgr.es/m/04182066-7655-344a-b8b7-040b1b2490fb%40enterprisedb.com
Reviewed-by: Peter Eisentraut
This commit is contained in:
Jeff Davis 2023-03-28 07:55:45 -07:00
parent 8b3eb0c584
commit f8ca22295e
1 changed files with 28 additions and 28 deletions
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56
src/bin/initdb/initdb.c
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@ -2243,46 +2243,44 @@ check_icu_locale_encoding(int user_enc)
}
/*
* Check that ICU accepts the locale name; or if not specified, retrieve the
* default ICU locale.
* Determine default ICU locale by opening the default collator and reading
* its locale.
*
* NB: The default collator (opened using NULL) is different from the collator
* for the root locale (opened with "", "und", or "root"). The former depends
* on the environment (useful at initdb time) and the latter does not.
*/
static void
check_icu_locale(void)
static char *
default_icu_locale(void)
{
#ifdef USE_ICU
UCollator *collator;
UErrorCode status;
const char *valid_locale;
char *default_locale;
status = U_ZERO_ERROR;
collator = ucol_open(icu_locale, &status);
collator = ucol_open(NULL, &status);
if (U_FAILURE(status))
pg_fatal("could not open collator for default locale: %s",
u_errorName(status));
status = U_ZERO_ERROR;
valid_locale = ucol_getLocaleByType(collator, ULOC_VALID_LOCALE,
&status);
if (U_FAILURE(status))
{
if (icu_locale)
pg_fatal("could not open collator for locale \"%s\": %s",
icu_locale, u_errorName(status));
else
pg_fatal("could not open collator for default locale: %s",
u_errorName(status));
ucol_close(collator);
pg_fatal("could not determine default ICU locale");
}
/* if not specified, get locale from default collator */
if (icu_locale == NULL)
{
const char *default_locale;
status = U_ZERO_ERROR;
default_locale = ucol_getLocaleByType(collator, ULOC_VALID_LOCALE,
&status);
if (U_FAILURE(status))
{
ucol_close(collator);
pg_fatal("could not determine default ICU locale");
}
icu_locale = pg_strdup(default_locale);
}
default_locale = pg_strdup(valid_locale);
ucol_close(collator);
return default_locale;
#else
pg_fatal("ICU is not supported in this build");
#endif
}
@ -2339,7 +2337,9 @@ setlocales(void)
if (locale_provider == COLLPROVIDER_ICU)
{
check_icu_locale();
/* acquire default locale from the environment, if not specified */
if (icu_locale == NULL)
icu_locale = default_icu_locale();
/*
* In supported builds, the ICU locale ID will be checked by the