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Locale support is on by default. The choice of locale is done in initdb

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and/or with GUC variables.
This commit is contained in:
Peter Eisentraut
2002-04-03 05:39:33 +00:00
parent 3d7755c8e9
commit 867901db9e
19 changed files with 554 additions and 479 deletions
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48
src/backend/utils/adt/varlena.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.81 2002/04/01 03:34:26 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.82 2002/04/03 05:39:32 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -19,6 +19,7 @@
#include "mb/pg_wchar.h"
#include "miscadmin.h"
#include "utils/builtins.h"
#include "utils/pg_locale.h"
static int text_cmp(text *arg1, text *arg2);
@ -493,29 +494,36 @@ varstr_cmp(char *arg1, int len1, char *arg2, int len2)
char *a1p,
*a2p;
#ifdef USE_LOCALE
a1p = (char *) palloc(len1 + 1);
a2p = (char *) palloc(len2 + 1);
/*
* Unfortunately, there is no strncoll(), so in the non-C locale
* case we have to do some memory copying. This turns out to be
* significantly slower, so we optimize the case were LC_COLLATE
* is C.
*/
if (!lc_collate_is_c())
{
a1p = (char *) palloc(len1 + 1);
a2p = (char *) palloc(len2 + 1);
memcpy(a1p, arg1, len1);
*(a1p + len1) = '\0';
memcpy(a2p, arg2, len2);
*(a2p + len2) = '\0';
memcpy(a1p, arg1, len1);
*(a1p + len1) = '\0';
memcpy(a2p, arg2, len2);
*(a2p + len2) = '\0';
result = strcoll(a1p, a2p);
result = strcoll(a1p, a2p);
pfree(a1p);
pfree(a2p);
pfree(a1p);
pfree(a2p);
}
else
{
a1p = arg1;
a2p = arg2;
#else
a1p = arg1;
a2p = arg2;
result = strncmp(a1p, a2p, Min(len1, len2));
if ((result == 0) && (len1 != len2))
result = (len1 < len2) ? -1 : 1;
#endif
result = strncmp(a1p, a2p, Min(len1, len2));
if ((result == 0) && (len1 != len2))
result = (len1 < len2) ? -1 : 1;
}
return result;
}