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Commit1174536

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Add collation support on Windows (MSVC build)
There is not yet support in initdb to populate the pg_collationcatalog, but if that is done manually, the rest should work.
1 parent00f11f4 commit1174536

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5 files changed

+42
-2
lines changed

5 files changed

+42
-2
lines changed

‎src/backend/utils/adt/pg_locale.c‎

Lines changed: 15 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -971,8 +971,12 @@ pg_newlocale_from_collation(Oid collid)
971971
if (strcmp(collcollate,collctype)==0)
972972
{
973973
/* Normal case where they're the same */
974+
#ifndefWIN32
974975
result=newlocale(LC_COLLATE_MASK |LC_CTYPE_MASK,collcollate,
975976
NULL);
977+
#else
978+
result=_create_locale(LC_ALL,collcollate);
979+
#endif
976980
if (!result)
977981
ereport(ERROR,
978982
(errcode_for_file_access(),
@@ -981,6 +985,7 @@ pg_newlocale_from_collation(Oid collid)
981985
}
982986
else
983987
{
988+
#ifndefWIN32
984989
/* We need two newlocale() steps */
985990
locale_tloc1;
986991

@@ -996,6 +1001,16 @@ pg_newlocale_from_collation(Oid collid)
9961001
(errcode_for_file_access(),
9971002
errmsg("could not create locale \"%s\": %m",
9981003
collctype)));
1004+
#else
1005+
/*
1006+
* XXX The _create_locale() API doesn't appear to support
1007+
* this. Could perhaps be worked around by changing
1008+
* pg_locale_t to contain two separate fields.
1009+
*/
1010+
ereport(ERROR,
1011+
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
1012+
errmsg("collations with different collate and ctype values are not supported on this platform")));
1013+
#endif
9991014
}
10001015

10011016
cache_entry->locale=result;

‎src/backend/utils/adt/varlena.c‎

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1374,6 +1374,11 @@ varstr_cmp(char *arg1, int len1, char *arg2, int len2, Oid collid)
13741374
((LPWSTR)a2p)[r]=0;
13751375

13761376
errno=0;
1377+
#ifdefHAVE_LOCALE_T
1378+
if (mylocale)
1379+
result=wcscoll_l((LPWSTR)a1p, (LPWSTR)a2p,mylocale);
1380+
else
1381+
#endif
13771382
result=wcscoll((LPWSTR)a1p, (LPWSTR)a2p);
13781383
if (result==2147483647)/* _NLSCMPERROR; missing from mingw
13791384
* headers */

‎src/bin/initdb/initdb.c‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1571,7 +1571,7 @@ setup_collation(void)
15711571
fputs(_("creating collations ... "),stdout);
15721572
fflush(stdout);
15731573

1574-
#ifdefHAVE_LOCALE_T
1574+
#if defined(HAVE_LOCALE_T)&& !defined(WIN32)
15751575
snprintf(cmd,sizeof(cmd),
15761576
"\"%s\" %s template1 >%s",
15771577
backend_exec,backend_options,

‎src/include/pg_config.h.win32‎

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,7 @@
55
* changes to be valid for Visual C++ (and compatible):
66
*
77
* HAVE_CBRT, HAVE_FUNCNAME_FUNC, HAVE_GETOPT, HAVE_GETOPT_H,
8-
* HAVE_GETOPT_LONG, HAVE_RINT, HAVE_STRINGS_H, HAVE_STRTOLL,
8+
* HAVE_GETOPT_LONG,HAVE_LOCALE_T,HAVE_RINT, HAVE_STRINGS_H, HAVE_STRTOLL,
99
* HAVE_STRTOULL, HAVE_STRUCT_OPTION, ENABLE_THREAD_SAFETY,
1010
* USE_INLINE, inline
1111
*/
@@ -244,6 +244,9 @@
244244
#define HAVE_LL_CONSTANTS 1
245245
#endif
246246

247+
/* Define to 1 if the system has the type `locale_t'. */
248+
#define HAVE_LOCALE_T 1
249+
247250
/* Define to 1 if `long int' works and is 64 bits. */
248251
/* #undef HAVE_LONG_INT_64 */
249252

@@ -547,6 +550,9 @@
547550
/* Define to build with Kerberos 5 support. (--with-krb5) */
548551
/* #undef KRB5 */
549552

553+
/* Define to 1 if `locale_t' requires <xlocale.h>. */
554+
/* #undef LOCALE_T_IN_XLOCALE */
555+
550556
/* Define to the location of locale files. */
551557
/* #undef LOCALEDIR */
552558

‎src/include/port/win32.h‎

Lines changed: 14 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -275,6 +275,20 @@ typedef int pid_t;
275275
#defineEBADFD WSAENOTSOCK
276276
#defineEOPNOTSUPP WSAEOPNOTSUPP
277277

278+
/*
279+
* Extended locale functions with gratuitous underscore prefixes.
280+
* (These APIs are nevertheless fully documented by Microsoft.)
281+
*/
282+
#definelocale_t _locale_t
283+
#definetolower_l _tolower_l
284+
#definetoupper_l _toupper_l
285+
#definetowlower_l _towlower_l
286+
#definetowupper_l _towupper_l
287+
#defineisalnum_l _isalnum_l
288+
#defineiswalnum_l _iswalnum_l
289+
#definestrcoll_l _strcoll_l
290+
#definewcscoll_l _wcscoll_l
291+
278292

279293
/* In backend/port/win32/signal.c */
280294
externPGDLLIMPORTvolatileintpg_signal_queue;

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