Data Structures | Macros | Functions | Variables

pg_locale.c File Reference

#include "postgres.h"
#include <time.h>
#include "access/htup_details.h"
#include "catalog/pg_collation.h"
#include "catalog/pg_database.h"
#include "common/hashfn.h"
#include "common/string.h"
#include "mb/pg_wchar.h"
#include "miscadmin.h"
#include "utils/builtins.h"
#include "utils/guc_hooks.h"
#include "utils/lsyscache.h"
#include "utils/memutils.h"
#include "utils/pg_locale.h"
#include "utils/relcache.h"
#include "utils/syscache.h"
#include "lib/simplehash.h"

Include dependency graph for pg_locale.c:

Go to the source code of this file.

Data Structures

struct collation_cache_entry

Macros

#define PGLOCALE_SUPPORT_ERROR(provider) elog(ERROR, "unsupported collprovider for %s: %c", __func__, provider)

#define TEXTBUFLEN 1024

#define MAX_L10N_DATA 80

#define SH_PREFIX collation_cache

#define SH_ELEMENT_TYPE collation_cache_entry

#define SH_KEY_TYPE Oid

#define SH_KEY collid

#define SH_HASH_KEY(tb, key) murmurhash32((uint32) key)

#define SH_EQUAL(tb, a, b) (a == b)

#define SH_GET_HASH(tb, a) a->hash

#define SH_SCOPE static inline

#define SH_STORE_HASH

#define SH_DECLARE

#define SH_DEFINE

Functions

pg_locale_t create_pg_locale_builtin (Oid collid, MemoryContext context)

char * get_collation_actual_version_builtin (const char *collcollate)

pg_locale_t create_pg_locale_icu (Oid collid, MemoryContext context)

pg_locale_t create_pg_locale_libc (Oid collid, MemoryContext context)

char * get_collation_actual_version_libc (const char *collcollate)

char * pg_perm_setlocale (int category, const char *locale)

bool check_locale (int category, const char *locale, char **canonname)

bool check_locale_monetary (char **newval, void **extra, GucSource source)

void assign_locale_monetary (const char *newval, void *extra)

bool check_locale_numeric (char **newval, void **extra, GucSource source)

void assign_locale_numeric (const char *newval, void *extra)

bool check_locale_time (char **newval, void **extra, GucSource source)

void assign_locale_time (const char *newval, void *extra)

bool check_locale_messages (char **newval, void **extra, GucSource source)

void assign_locale_messages (const char *newval, void *extra)

static void free_struct_lconv (struct lconv *s)

static bool struct_lconv_is_valid (struct lconv *s)

static void db_encoding_convert (int encoding, char **str)

struct lconv * PGLC_localeconv (void)

static void cache_single_string (char **dst, const char *src, int encoding)

void cache_locale_time (void)

static pg_locale_t create_pg_locale (Oid collid, MemoryContext context)

void init_database_collation (void)

pg_locale_t pg_newlocale_from_collation (Oid collid)

char * get_collation_actual_version (char collprovider, const char *collcollate)

size_t pg_strlower (char *dst, size_t dstsize, const char *src, ssize_t srclen, pg_locale_t locale)

size_t pg_strtitle (char *dst, size_t dstsize, const char *src, ssize_t srclen, pg_locale_t locale)

size_t pg_strupper (char *dst, size_t dstsize, const char *src, ssize_t srclen, pg_locale_t locale)

size_t pg_strfold (char *dst, size_t dstsize, const char *src, ssize_t srclen, pg_locale_t locale)

int pg_strcoll (const char *arg1, const char *arg2, pg_locale_t locale)

int pg_strncoll (const char *arg1, ssize_t len1, const char *arg2, ssize_t len2, pg_locale_t locale)

bool pg_strxfrm_enabled (pg_locale_t locale)

size_t pg_strxfrm (char *dest, const char *src, size_t destsize, pg_locale_t locale)

size_t pg_strnxfrm (char *dest, size_t destsize, const char *src, ssize_t srclen, pg_locale_t locale)

bool pg_strxfrm_prefix_enabled (pg_locale_t locale)

size_t pg_strxfrm_prefix (char *dest, const char *src, size_t destsize, pg_locale_t locale)

size_t pg_strnxfrm_prefix (char *dest, size_t destsize, const char *src, ssize_t srclen, pg_locale_t locale)

bool char_is_cased (char ch, pg_locale_t locale)

bool char_tolower_enabled (pg_locale_t locale)

char char_tolower (unsigned char ch, pg_locale_t locale)

int builtin_locale_encoding (const char *locale)

const char * builtin_validate_locale (int encoding, const char *locale)

char * icu_language_tag (const char *loc_str, int elevel)

void icu_validate_locale (const char *loc_str)

Variables

char * locale_messages

char * locale_monetary

char * locale_numeric

char * locale_time

int icu_validation_level = WARNING

char * localized_abbrev_days [7+1]

char * localized_full_days [7+1]

char * localized_abbrev_months [12+1]

char * localized_full_months [12+1]

bool database_ctype_is_c = false

static pg_locale_t default_locale = NULL

static bool CurrentLocaleConvValid = false

static bool CurrentLCTimeValid = false

static MemoryContext CollationCacheContext = NULL

static collation_cache_hash * CollationCache = NULL

static Oid last_collation_cache_oid = InvalidOid

static pg_locale_t last_collation_cache_locale = NULL

Macro Definition Documentation

◆ MAX_L10N_DATA

#define MAX_L10N_DATA 80

Definition at line 65 of file pg_locale.c.

◆ PGLOCALE_SUPPORT_ERROR

#define PGLOCALE_SUPPORT_ERROR ( provider ) elog(ERROR, "unsupported collprovider for %s: %c", __func__, provider)

Definition at line 56 of file pg_locale.c.

◆ SH_DECLARE

#define SH_DECLARE

Definition at line 132 of file pg_locale.c.

◆ SH_DEFINE

#define SH_DEFINE

Definition at line 133 of file pg_locale.c.

◆ SH_ELEMENT_TYPE

#define SH_ELEMENT_TYPE collation_cache_entry

Definition at line 124 of file pg_locale.c.

◆ SH_EQUAL

#define SH_EQUAL ( tb,

a,

b

) (a == b)

Definition at line 128 of file pg_locale.c.

◆ SH_GET_HASH

#define SH_GET_HASH ( tb,

a

) a->hash

Definition at line 129 of file pg_locale.c.

◆ SH_HASH_KEY

#define SH_HASH_KEY ( tb,

key

) murmurhash32((uint32) key)

Definition at line 127 of file pg_locale.c.

◆ SH_KEY

#define SH_KEY collid

Definition at line 126 of file pg_locale.c.

◆ SH_KEY_TYPE

#define SH_KEY_TYPE Oid

Definition at line 125 of file pg_locale.c.

◆ SH_PREFIX

#define SH_PREFIX collation_cache

Definition at line 123 of file pg_locale.c.

◆ SH_SCOPE

#define SH_SCOPE static inline

Definition at line 130 of file pg_locale.c.

◆ SH_STORE_HASH

#define SH_STORE_HASH

Definition at line 131 of file pg_locale.c.

◆ TEXTBUFLEN

#define TEXTBUFLEN 1024

Definition at line 63 of file pg_locale.c.

Function Documentation

◆ assign_locale_messages()

void assign_locale_messages ( const char * newval,

void * extra

)

Definition at line 402 of file pg_locale.c.

403{

404 /*

405 * LC_MESSAGES category does not exist everywhere, but accept it anyway.

406 * We ignore failure, as per comment above.

407 */

408#ifdef LC_MESSAGES

409 (void) pg_perm_setlocale(LC_MESSAGES, newval);

410#endif

411}

newval

#define newval

pg_perm_setlocale

char * pg_perm_setlocale(int category, const char *locale)

Definition: pg_locale.c:165

References newval, and pg_perm_setlocale().

◆ assign_locale_monetary()

void assign_locale_monetary ( const char * newval,

void * extra

)

Definition at line 339 of file pg_locale.c.

340{

341 CurrentLocaleConvValid = false;

342}

CurrentLocaleConvValid

static bool CurrentLocaleConvValid

Definition: pg_locale.c:108

References CurrentLocaleConvValid.

◆ assign_locale_numeric()

void assign_locale_numeric ( const char * newval,

void * extra

)

Definition at line 351 of file pg_locale.c.

352{

353 CurrentLocaleConvValid = false;

354}

References CurrentLocaleConvValid.

◆ assign_locale_time()

void assign_locale_time ( const char * newval,

void * extra

)

Definition at line 363 of file pg_locale.c.

364{

365 CurrentLCTimeValid = false;

366}

CurrentLCTimeValid

static bool CurrentLCTimeValid

Definition: pg_locale.c:109

References CurrentLCTimeValid.

◆ builtin_locale_encoding()

int builtin_locale_encoding ( const char * locale )

Definition at line 1438 of file pg_locale.c.

1439{

1440 if (strcmp(locale, "C") == 0)

1441 return -1;

1442 else if (strcmp(locale, "C.UTF-8") == 0)

1443 return PG_UTF8;

1444 else if (strcmp(locale, "PG_UNICODE_FAST") == 0)

1445 return PG_UTF8;

1446

1447

1448 ereport(ERROR,

1449 (errcode(ERRCODE_WRONG_OBJECT_TYPE),

1450 errmsg("invalid locale name \"%s\" for builtin provider",

1451 locale)));

1452

1453 return 0; /* keep compiler quiet */

1454}

errcode

int errcode(int sqlerrcode)

Definition: elog.c:854

errmsg

int errmsg(const char *fmt,...)

Definition: elog.c:1071

ERROR

#define ERROR

Definition: elog.h:39

ereport

#define ereport(elevel,...)

Definition: elog.h:150

locale

static char * locale

Definition: initdb.c:140

PG_UTF8

@ PG_UTF8

Definition: pg_wchar.h:232

References ereport, errcode(), errmsg(), ERROR, locale, and PG_UTF8.

Referenced by builtin_validate_locale(), and DefineCollation().

◆ builtin_validate_locale()

const char * builtin_validate_locale ( int encoding,

const char * locale

)

Definition at line 1462 of file pg_locale.c.

1463{

1464 const char *canonical_name = NULL;

1465 int required_encoding;

1466

1467 if (strcmp(locale, "C") == 0)

1468 canonical_name = "C";

1469 else if (strcmp(locale, "C.UTF-8") == 0 || strcmp(locale, "C.UTF8") == 0)

1470 canonical_name = "C.UTF-8";

1471 else if (strcmp(locale, "PG_UNICODE_FAST") == 0)

1472 canonical_name = "PG_UNICODE_FAST";

1473

1474 if (!canonical_name)

1475 ereport(ERROR,

1476 (errcode(ERRCODE_WRONG_OBJECT_TYPE),

1477 errmsg("invalid locale name \"%s\" for builtin provider",

1478 locale)));

1479

1480 required_encoding = builtin_locale_encoding(canonical_name);

1481 if (required_encoding >= 0 && encoding != required_encoding)

1482 ereport(ERROR,

1483 (errcode(ERRCODE_WRONG_OBJECT_TYPE),

1484 errmsg("encoding \"%s\" does not match locale \"%s\"",

1485 pg_encoding_to_char(encoding), locale)));

1486

1487 return canonical_name;

1488}

encoding

int32 encoding

Definition: pg_database.h:41

builtin_locale_encoding

int builtin_locale_encoding(const char *locale)

Definition: pg_locale.c:1438

pg_encoding_to_char

#define pg_encoding_to_char

Definition: pg_wchar.h:630

References builtin_locale_encoding(), encoding, ereport, errcode(), errmsg(), ERROR, locale, and pg_encoding_to_char.

Referenced by create_pg_locale_builtin(), createdb(), and DefineCollation().

◆ cache_locale_time()

void cache_locale_time ( void )

Definition at line 695 of file pg_locale.c.

696{

697 char buf[(2 * 7 + 2 * 12) * MAX_L10N_DATA];

698 char *bufptr;

699 time_t timenow;

700 struct tm *timeinfo;

701 struct tm timeinfobuf;

702 bool strftimefail = false;

703 int encoding;

704 int i;

705 locale_t locale;

706

707 /* did we do this already? */

708 if (CurrentLCTimeValid)

709 return;

710

711 elog(DEBUG3, "cache_locale_time() executed; locale: \"%s\"", locale_time);

712

713 errno = ENOENT;

714#ifdef WIN32

715 locale = _create_locale(LC_ALL, locale_time);

716 if (locale == (locale_t) 0)

717 _dosmaperr(GetLastError());

718#else

719 locale = newlocale(LC_ALL_MASK, locale_time, (locale_t) 0);

720#endif

721 if (!locale)

722 report_newlocale_failure(locale_time);

723

724 /* We use times close to current time as data for strftime(). */

725 timenow = time(NULL);

726 timeinfo = gmtime_r(&timenow, &timeinfobuf);

727

728 /* Store the strftime results in MAX_L10N_DATA-sized portions of buf[] */

729 bufptr = buf;

730

731 /*

732 * MAX_L10N_DATA is sufficient buffer space for every known locale, and

733 * POSIX defines no strftime() errors. (Buffer space exhaustion is not an

734 * error.) An implementation might report errors (e.g. ENOMEM) by

735 * returning 0 (or, less plausibly, a negative value) and setting errno.

736 * Report errno just in case the implementation did that, but clear it in

737 * advance of the calls so we don't emit a stale, unrelated errno.

738 */

739 errno = 0;

740

741 /* localized days */

742 for (i = 0; i < 7; i++)

743 {

744 timeinfo->tm_wday = i;

745 if (strftime_l(bufptr, MAX_L10N_DATA, "%a", timeinfo, locale) <= 0)

746 strftimefail = true;

747 bufptr += MAX_L10N_DATA;

748 if (strftime_l(bufptr, MAX_L10N_DATA, "%A", timeinfo, locale) <= 0)

749 strftimefail = true;

750 bufptr += MAX_L10N_DATA;

751 }

752

753 /* localized months */

754 for (i = 0; i < 12; i++)

755 {

756 timeinfo->tm_mon = i;

757 timeinfo->tm_mday = 1; /* make sure we don't have invalid date */

758 if (strftime_l(bufptr, MAX_L10N_DATA, "%b", timeinfo, locale) <= 0)

759 strftimefail = true;

760 bufptr += MAX_L10N_DATA;

761 if (strftime_l(bufptr, MAX_L10N_DATA, "%B", timeinfo, locale) <= 0)

762 strftimefail = true;

763 bufptr += MAX_L10N_DATA;

764 }

765

766#ifdef WIN32

767 _free_locale(locale);

768#else

769 freelocale(locale);

770#endif

771

772 /*

773 * At this point we've done our best to clean up, and can throw errors, or

774 * call functions that might throw errors, with a clean conscience.

775 */

776 if (strftimefail)

777 elog(ERROR, "strftime_l() failed");

778

779#ifndef WIN32

780

781 /*

782 * As in PGLC_localeconv(), we must convert strftime()'s output from the

783 * encoding implied by LC_TIME to the database encoding. If we can't

784 * identify the LC_TIME encoding, just perform encoding validation.

785 */

786 encoding = pg_get_encoding_from_locale(locale_time, true);

787 if (encoding < 0)

788 encoding = PG_SQL_ASCII;

789

790#else

791

792 /*

793 * On Windows, strftime_win32() always returns UTF8 data, so convert from

794 * that if necessary.

795 */

796 encoding = PG_UTF8;

797

798#endif /* WIN32 */

799

800 bufptr = buf;

801

802 /* localized days */

803 for (i = 0; i < 7; i++)

804 {

805 cache_single_string(&localized_abbrev_days[i], bufptr, encoding);

806 bufptr += MAX_L10N_DATA;

807 cache_single_string(&localized_full_days[i], bufptr, encoding);

808 bufptr += MAX_L10N_DATA;

809 }

810 localized_abbrev_days[7] = NULL;

811 localized_full_days[7] = NULL;

812

813 /* localized months */

814 for (i = 0; i < 12; i++)

815 {

816 cache_single_string(&localized_abbrev_months[i], bufptr, encoding);

817 bufptr += MAX_L10N_DATA;

818 cache_single_string(&localized_full_months[i], bufptr, encoding);

819 bufptr += MAX_L10N_DATA;

820 }

821 localized_abbrev_months[12] = NULL;

822 localized_full_months[12] = NULL;

823

824 CurrentLCTimeValid = true;

825}

DEBUG3

#define DEBUG3

Definition: elog.h:28

elog

#define elog(elevel,...)

Definition: elog.h:226

i

int i

Definition: isn.c:77

tm

static struct pg_tm tm

Definition: localtime.c:104

localized_full_months

char * localized_full_months[12+1]

Definition: pg_locale.c:100

locale_time

char * locale_time

Definition: pg_locale.c:86

cache_single_string

static void cache_single_string(char **dst, const char *src, int encoding)

Definition: pg_locale.c:672

MAX_L10N_DATA

#define MAX_L10N_DATA

Definition: pg_locale.c:65

localized_abbrev_months

char * localized_abbrev_months[12+1]

Definition: pg_locale.c:99

localized_full_days

char * localized_full_days[7+1]

Definition: pg_locale.c:98

localized_abbrev_days

char * localized_abbrev_days[7+1]

Definition: pg_locale.c:97

report_newlocale_failure

void report_newlocale_failure(const char *localename)

Definition: pg_locale_libc.c:1055

buf

static char * buf

Definition: pg_test_fsync.c:72

PG_SQL_ASCII

@ PG_SQL_ASCII

Definition: pg_wchar.h:226

pg_get_encoding_from_locale

int pg_get_encoding_from_locale(const char *ctype, bool write_message)

Definition: chklocale.c:301

locale_t

#define locale_t

Definition: win32_port.h:432

_dosmaperr

void _dosmaperr(unsigned long)

Definition: win32error.c:177

References _dosmaperr(), buf, cache_single_string(), CurrentLCTimeValid, DEBUG3, elog, encoding, ERROR, i, locale, locale_t, locale_time, localized_abbrev_days, localized_abbrev_months, localized_full_days, localized_full_months, MAX_L10N_DATA, pg_get_encoding_from_locale(), PG_SQL_ASCII, PG_UTF8, report_newlocale_failure(), and tm.

Referenced by DCH_from_char(), and DCH_to_char().

◆ cache_single_string()

static void cache_single_string ( char ** dst,

const char * src,

int encoding

)

static

Definition at line 672 of file pg_locale.c.

673{

674 char *ptr;

675 char *olddst;

676

677 /* Convert the string to the database encoding, or validate it's OK */

678 ptr = pg_any_to_server(src, strlen(src), encoding);

679

680 /* Store the string in long-lived storage, replacing any previous value */

681 olddst = *dst;

682 *dst = MemoryContextStrdup(TopMemoryContext, ptr);

683 if (olddst)

684 pfree(olddst);

685

686 /* Might as well clean up any palloc'd conversion result, too */

687 if (ptr != src)

688 pfree(ptr);

689}

pg_any_to_server

char * pg_any_to_server(const char *s, int len, int encoding)

Definition: mbutils.c:677

MemoryContextStrdup

char * MemoryContextStrdup(MemoryContext context, const char *string)

Definition: mcxt.c:1746

pfree

void pfree(void *pointer)

Definition: mcxt.c:1594

TopMemoryContext

MemoryContext TopMemoryContext

Definition: mcxt.c:166

References encoding, MemoryContextStrdup(), pfree(), pg_any_to_server(), and TopMemoryContext.

Referenced by cache_locale_time().

◆ char_is_cased()

bool char_is_cased ( char ch,

pg_locale_t locale

)

Definition at line 1406 of file pg_locale.c.

1407{

1408 return locale->ctype->char_is_cased(ch, locale);

1409}

References locale.

Referenced by pattern_char_isalpha().

◆ char_tolower()

char char_tolower ( unsigned char ch,

pg_locale_t locale

)

Definition at line 1428 of file pg_locale.c.

1429{

1430 return locale->ctype->char_tolower(ch, locale);

1431}

References locale.

Referenced by SB_lower_char().

◆ char_tolower_enabled()

bool char_tolower_enabled ( pg_locale_t locale )

Definition at line 1417 of file pg_locale.c.

1418{

1419 return (locale->ctype->char_tolower != NULL);

1420}

References locale.

Referenced by Generic_Text_IC_like().

◆ check_locale()

bool check_locale ( int category,

const char * locale,

char ** canonname

)

Definition at line 268 of file pg_locale.c.

269{

270 char *save;

271 char *res;

272

273 /* Don't let Windows' non-ASCII locale names in. */

274 if (!pg_is_ascii(locale))

275 {

276 ereport(WARNING,

277 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),

278 errmsg("locale name \"%s\" contains non-ASCII characters",

279 locale)));

280 return false;

281 }

282

283 if (canonname)

284 *canonname = NULL; /* in case of failure */

285

286 save = setlocale(category, NULL);

287 if (!save)

288 return false; /* won't happen, we hope */

289

290 /* save may be pointing at a modifiable scratch variable, see above. */

291 save = pstrdup(save);

292

293 /* set the locale with setlocale, to see if it accepts it. */

294 res = setlocale(category, locale);

295

296 /* save canonical name if requested. */

297 if (res && canonname)

298 *canonname = pstrdup(res);

299

300 /* restore old value. */

301 if (!setlocale(category, save))

302 elog(WARNING, "failed to restore old locale \"%s\"", save);

303 pfree(save);

304

305 /* Don't let Windows' non-ASCII locale names out. */

306 if (canonname && *canonname && !pg_is_ascii(*canonname))

307 {

308 ereport(WARNING,

309 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),

310 errmsg("locale name \"%s\" contains non-ASCII characters",

311 *canonname)));

312 pfree(*canonname);

313 *canonname = NULL;

314 return false;

315 }

316

317 return (res != NULL);

318}

WARNING

#define WARNING

Definition: elog.h:36

pstrdup

char * pstrdup(const char *in)

Definition: mcxt.c:1759

pg_is_ascii

bool pg_is_ascii(const char *str)

Definition: string.c:132

setlocale

#define setlocale(a, b)

Definition: win32_port.h:475

References elog, ereport, errcode(), errmsg(), locale, pfree(), pg_is_ascii(), pstrdup(), setlocale, and WARNING.

Referenced by check_locale_messages(), check_locale_monetary(), check_locale_numeric(), check_locale_time(), and createdb().

◆ check_locale_messages()

bool check_locale_messages ( char ** newval,

void ** extra,

GucSource source

)

Definition at line 379 of file pg_locale.c.

380{

381 if (**newval == '0円')

382 {

383 if (source == PGC_S_DEFAULT)

384 return true;

385 else

386 return false;

387 }

388

389 /*

390 * LC_MESSAGES category does not exist everywhere, but accept it anyway

391 *

392 * On Windows, we can't even check the value, so accept blindly

393 */

394#if defined(LC_MESSAGES) && !defined(WIN32)

395 return check_locale(LC_MESSAGES, *newval, NULL);

396#else

397 return true;

398#endif

399}

PGC_S_DEFAULT

@ PGC_S_DEFAULT

Definition: guc.h:113

check_locale

bool check_locale(int category, const char *locale, char **canonname)

Definition: pg_locale.c:268

source

static rewind_source * source

Definition: pg_rewind.c:89

References check_locale(), newval, PGC_S_DEFAULT, and source.

◆ check_locale_monetary()

bool check_locale_monetary ( char ** newval,

void ** extra,

GucSource source

)

Definition at line 333 of file pg_locale.c.

334{

335 return check_locale(LC_MONETARY, *newval, NULL);

336}

References check_locale(), and newval.

◆ check_locale_numeric()

bool check_locale_numeric ( char ** newval,

void ** extra,

GucSource source

)

Definition at line 345 of file pg_locale.c.

346{

347 return check_locale(LC_NUMERIC, *newval, NULL);

348}

References check_locale(), and newval.

◆ check_locale_time()

bool check_locale_time ( char ** newval,

void ** extra,

GucSource source

)

Definition at line 357 of file pg_locale.c.

358{

359 return check_locale(LC_TIME, *newval, NULL);

360}

References check_locale(), and newval.

◆ create_pg_locale()

static pg_locale_t create_pg_locale ( Oid collid,

MemoryContext context

)

static

Definition at line 1042 of file pg_locale.c.

1043{

1044 HeapTuple tp;

1045 Form_pg_collation collform;

1046 pg_locale_t result;

1047 Datum datum;

1048 bool isnull;

1049

1050 tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(collid));

1051 if (!HeapTupleIsValid(tp))

1052 elog(ERROR, "cache lookup failed for collation %u", collid);

1053 collform = (Form_pg_collation) GETSTRUCT(tp);

1054

1055 if (collform->collprovider == COLLPROVIDER_BUILTIN)

1056 result = create_pg_locale_builtin(collid, context);

1057 else if (collform->collprovider == COLLPROVIDER_ICU)

1058 result = create_pg_locale_icu(collid, context);

1059 else if (collform->collprovider == COLLPROVIDER_LIBC)

1060 result = create_pg_locale_libc(collid, context);

1061 else

1062 /* shouldn't happen */

1063 PGLOCALE_SUPPORT_ERROR(collform->collprovider);

1064

1065 result->is_default = false;

1066

1067 Assert((result->collate_is_c && result->collate == NULL) ||

1068 (!result->collate_is_c && result->collate != NULL));

1069

1070 Assert((result->ctype_is_c && result->ctype == NULL) ||

1071 (!result->ctype_is_c && result->ctype != NULL));

1072

1073 datum = SysCacheGetAttr(COLLOID, tp, Anum_pg_collation_collversion,

1074 &isnull);

1075 if (!isnull)

1076 {

1077 char *actual_versionstr;

1078 char *collversionstr;

1079

1080 collversionstr = TextDatumGetCString(datum);

1081

1082 if (collform->collprovider == COLLPROVIDER_LIBC)

1083 datum = SysCacheGetAttrNotNull(COLLOID, tp, Anum_pg_collation_collcollate);

1084 else

1085 datum = SysCacheGetAttrNotNull(COLLOID, tp, Anum_pg_collation_colllocale);

1086

1087 actual_versionstr = get_collation_actual_version(collform->collprovider,

1088 TextDatumGetCString(datum));

1089 if (!actual_versionstr)

1090 {

1091 /*

1092 * This could happen when specifying a version in CREATE COLLATION

1093 * but the provider does not support versioning, or manually

1094 * creating a mess in the catalogs.

1095 */

1096 ereport(ERROR,

1097 (errmsg("collation \"%s\" has no actual version, but a version was recorded",

1098 NameStr(collform->collname))));

1099 }

1100

1101 if (strcmp(actual_versionstr, collversionstr) != 0)

1102 ereport(WARNING,

1103 (errmsg("collation \"%s\" has version mismatch",

1104 NameStr(collform->collname)),

1105 errdetail("The collation in the database was created using version %s, "

1106 "but the operating system provides version %s.",

1107 collversionstr, actual_versionstr),

1108 errhint("Rebuild all objects affected by this collation and run "

1109 "ALTER COLLATION %s REFRESH VERSION, "

1110 "or build PostgreSQL with the right library version.",

1111 quote_qualified_identifier(get_namespace_name(collform->collnamespace),

1112 NameStr(collform->collname)))));

1113 }

1114

1115 ReleaseSysCache(tp);

1116

1117 return result;

1118}

TextDatumGetCString

#define TextDatumGetCString(d)

Definition: builtins.h:98

NameStr

#define NameStr(name)

Definition: c.h:751

collid

Oid collid

Definition: collationcmds.c:700

errdetail

int errdetail(const char *fmt,...)

Definition: elog.c:1207

errhint

int errhint(const char *fmt,...)

Definition: elog.c:1321

Assert

Assert(PointerIsAligned(start, uint64))

HeapTupleIsValid

#define HeapTupleIsValid(tuple)

Definition: htup.h:78

GETSTRUCT

static void * GETSTRUCT(const HeapTupleData *tuple)

Definition: htup_details.h:728

get_namespace_name

char * get_namespace_name(Oid nspid)

Definition: lsyscache.c:3533

Form_pg_collation

FormData_pg_collation * Form_pg_collation

Definition: pg_collation.h:58

create_pg_locale_libc

pg_locale_t create_pg_locale_libc(Oid collid, MemoryContext context)

Definition: pg_locale_libc.c:669

get_collation_actual_version

char * get_collation_actual_version(char collprovider, const char *collcollate)

Definition: pg_locale.c:1217

create_pg_locale_builtin

pg_locale_t create_pg_locale_builtin(Oid collid, MemoryContext context)

Definition: pg_locale_builtin.c:205

PGLOCALE_SUPPORT_ERROR

#define PGLOCALE_SUPPORT_ERROR(provider)

Definition: pg_locale.c:56

create_pg_locale_icu

pg_locale_t create_pg_locale_icu(Oid collid, MemoryContext context)

Definition: pg_locale_icu.c:236

ObjectIdGetDatum

static Datum ObjectIdGetDatum(Oid X)

Definition: postgres.h:262

Datum

uint64_t Datum

Definition: postgres.h:70

quote_qualified_identifier

char * quote_qualified_identifier(const char *qualifier, const char *ident)

Definition: ruleutils.c:13119

HeapTupleData

Definition: htup.h:63

pg_locale_struct

Definition: pg_locale.h:150

pg_locale_struct::ctype

const struct ctype_methods * ctype

Definition: pg_locale.h:157

pg_locale_struct::collate_is_c

bool collate_is_c

Definition: pg_locale.h:152

pg_locale_struct::ctype_is_c

bool ctype_is_c

Definition: pg_locale.h:153

pg_locale_struct::collate

const struct collate_methods * collate

Definition: pg_locale.h:156

pg_locale_struct::is_default

bool is_default

Definition: pg_locale.h:154

ReleaseSysCache

void ReleaseSysCache(HeapTuple tuple)

Definition: syscache.c:264

SearchSysCache1

HeapTuple SearchSysCache1(int cacheId, Datum key1)

Definition: syscache.c:220

SysCacheGetAttr

Datum SysCacheGetAttr(int cacheId, HeapTuple tup, AttrNumber attributeNumber, bool *isNull)

Definition: syscache.c:595

SysCacheGetAttrNotNull

Datum SysCacheGetAttrNotNull(int cacheId, HeapTuple tup, AttrNumber attributeNumber)

Definition: syscache.c:625

References Assert(), pg_locale_struct::collate, pg_locale_struct::collate_is_c, collid, create_pg_locale_builtin(), create_pg_locale_icu(), create_pg_locale_libc(), pg_locale_struct::ctype, pg_locale_struct::ctype_is_c, elog, ereport, errdetail(), errhint(), errmsg(), ERROR, get_collation_actual_version(), get_namespace_name(), GETSTRUCT(), HeapTupleIsValid, pg_locale_struct::is_default, NameStr, ObjectIdGetDatum(), PGLOCALE_SUPPORT_ERROR, quote_qualified_identifier(), ReleaseSysCache(), SearchSysCache1(), SysCacheGetAttr(), SysCacheGetAttrNotNull(), TextDatumGetCString, and WARNING.

Referenced by pg_newlocale_from_collation().

◆ create_pg_locale_builtin()

pg_locale_t create_pg_locale_builtin ( Oid collid,

MemoryContext context

)

Definition at line 205 of file pg_locale_builtin.c.

206{

207 const char *locstr;

208 pg_locale_t result;

209

210 if (collid == DEFAULT_COLLATION_OID)

211 {

212 HeapTuple tp;

213 Datum datum;

214

215 tp = SearchSysCache1(DATABASEOID, ObjectIdGetDatum(MyDatabaseId));

216 if (!HeapTupleIsValid(tp))

217 elog(ERROR, "cache lookup failed for database %u", MyDatabaseId);

218 datum = SysCacheGetAttrNotNull(DATABASEOID, tp,

219 Anum_pg_database_datlocale);

220 locstr = TextDatumGetCString(datum);

221 ReleaseSysCache(tp);

222 }

223 else

224 {

225 HeapTuple tp;

226 Datum datum;

227

228 tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(collid));

229 if (!HeapTupleIsValid(tp))

230 elog(ERROR, "cache lookup failed for collation %u", collid);

231 datum = SysCacheGetAttrNotNull(COLLOID, tp,

232 Anum_pg_collation_colllocale);

233 locstr = TextDatumGetCString(datum);

234 ReleaseSysCache(tp);

235 }

236

237 builtin_validate_locale(GetDatabaseEncoding(), locstr);

238

239 result = MemoryContextAllocZero(context, sizeof(struct pg_locale_struct));

240

241 result->builtin.locale = MemoryContextStrdup(context, locstr);

242 result->builtin.casemap_full = (strcmp(locstr, "PG_UNICODE_FAST") == 0);

243 result->deterministic = true;

244 result->collate_is_c = true;

245 result->ctype_is_c = (strcmp(locstr, "C") == 0);

246 if (!result->ctype_is_c)

247 result->ctype = &ctype_methods_builtin;

248

249 return result;

250}

MyDatabaseId

Oid MyDatabaseId

Definition: globals.c:94

GetDatabaseEncoding

int GetDatabaseEncoding(void)

Definition: mbutils.c:1262

MemoryContextAllocZero

void * MemoryContextAllocZero(MemoryContext context, Size size)

Definition: mcxt.c:1263

builtin_validate_locale

const char * builtin_validate_locale(int encoding, const char *locale)

Definition: pg_locale.c:1462

ctype_methods_builtin

static const struct ctype_methods ctype_methods_builtin

Definition: pg_locale_builtin.c:185

pg_locale_struct::builtin

struct pg_locale_struct::@164::@166 builtin

pg_locale_struct::locale

const char * locale

Definition: pg_locale.h:163

pg_locale_struct::deterministic

bool deterministic

Definition: pg_locale.h:151

pg_locale_struct::casemap_full

bool casemap_full

Definition: pg_locale.h:164

References pg_locale_struct::builtin, builtin_validate_locale(), pg_locale_struct::casemap_full, pg_locale_struct::collate_is_c, collid, pg_locale_struct::ctype, pg_locale_struct::ctype_is_c, ctype_methods_builtin, pg_locale_struct::deterministic, elog, ERROR, GetDatabaseEncoding(), HeapTupleIsValid, pg_locale_struct::locale, MemoryContextAllocZero(), MemoryContextStrdup(), MyDatabaseId, ObjectIdGetDatum(), ReleaseSysCache(), SearchSysCache1(), SysCacheGetAttrNotNull(), and TextDatumGetCString.

Referenced by create_pg_locale(), and init_database_collation().

◆ create_pg_locale_icu()

pg_locale_t create_pg_locale_icu ( Oid collid,

MemoryContext context

)

Definition at line 236 of file pg_locale_icu.c.

237{

238#ifdef USE_ICU

239 bool deterministic;

240 const char *iculocstr;

241 const char *icurules = NULL;

242 UCollator *collator;

243 pg_locale_t result;

244

245 if (collid == DEFAULT_COLLATION_OID)

246 {

247 HeapTuple tp;

248 Datum datum;

249 bool isnull;

250

251 tp = SearchSysCache1(DATABASEOID, ObjectIdGetDatum(MyDatabaseId));

252 if (!HeapTupleIsValid(tp))

253 elog(ERROR, "cache lookup failed for database %u", MyDatabaseId);

254

255 /* default database collation is always deterministic */

256 deterministic = true;

257 datum = SysCacheGetAttrNotNull(DATABASEOID, tp,

258 Anum_pg_database_datlocale);

259 iculocstr = TextDatumGetCString(datum);

260 datum = SysCacheGetAttr(DATABASEOID, tp,

261 Anum_pg_database_daticurules, &isnull);

262 if (!isnull)

263 icurules = TextDatumGetCString(datum);

264

265 ReleaseSysCache(tp);

266 }

267 else

268 {

269 Form_pg_collation collform;

270 HeapTuple tp;

271 Datum datum;

272 bool isnull;

273

274 tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(collid));

275 if (!HeapTupleIsValid(tp))

276 elog(ERROR, "cache lookup failed for collation %u", collid);

277 collform = (Form_pg_collation) GETSTRUCT(tp);

278 deterministic = collform->collisdeterministic;

279 datum = SysCacheGetAttrNotNull(COLLOID, tp,

280 Anum_pg_collation_colllocale);

281 iculocstr = TextDatumGetCString(datum);

282 datum = SysCacheGetAttr(COLLOID, tp,

283 Anum_pg_collation_collicurules, &isnull);

284 if (!isnull)

285 icurules = TextDatumGetCString(datum);

286

287 ReleaseSysCache(tp);

288 }

289

290 collator = make_icu_collator(iculocstr, icurules);

291

292 result = MemoryContextAllocZero(context, sizeof(struct pg_locale_struct));

293 result->icu.locale = MemoryContextStrdup(context, iculocstr);

294 result->icu.ucol = collator;

295 result->deterministic = deterministic;

296 result->collate_is_c = false;

297 result->ctype_is_c = false;

298 if (GetDatabaseEncoding() == PG_UTF8)

299 result->collate = &collate_methods_icu_utf8;

300 else

301 result->collate = &collate_methods_icu;

302 result->ctype = &ctype_methods_icu;

303

304 return result;

305#else

306 /* could get here if a collation was created by a build with ICU */

307 ereport(ERROR,

308 (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),

309 errmsg("ICU is not supported in this build")));

310

311 return NULL;

312#endif

313}

References pg_locale_struct::collate, pg_locale_struct::collate_is_c, collid, pg_locale_struct::ctype, pg_locale_struct::ctype_is_c, pg_locale_struct::deterministic, elog, ereport, errcode(), errmsg(), ERROR, GetDatabaseEncoding(), GETSTRUCT(), HeapTupleIsValid, pg_locale_struct::locale, MemoryContextAllocZero(), MemoryContextStrdup(), MyDatabaseId, ObjectIdGetDatum(), PG_UTF8, ReleaseSysCache(), SearchSysCache1(), SysCacheGetAttr(), SysCacheGetAttrNotNull(), and TextDatumGetCString.

Referenced by create_pg_locale(), and init_database_collation().

◆ create_pg_locale_libc()

pg_locale_t create_pg_locale_libc ( Oid collid,

MemoryContext context

)

Definition at line 669 of file pg_locale_libc.c.

670{

671 const char *collate;

672 const char *ctype;

673 locale_t loc;

674 pg_locale_t result;

675

676 if (collid == DEFAULT_COLLATION_OID)

677 {

678 HeapTuple tp;

679 Datum datum;

680

681 tp = SearchSysCache1(DATABASEOID, ObjectIdGetDatum(MyDatabaseId));

682 if (!HeapTupleIsValid(tp))

683 elog(ERROR, "cache lookup failed for database %u", MyDatabaseId);

684 datum = SysCacheGetAttrNotNull(DATABASEOID, tp,

685 Anum_pg_database_datcollate);

686 collate = TextDatumGetCString(datum);

687 datum = SysCacheGetAttrNotNull(DATABASEOID, tp,

688 Anum_pg_database_datctype);

689 ctype = TextDatumGetCString(datum);

690

691 ReleaseSysCache(tp);

692 }

693 else

694 {

695 HeapTuple tp;

696 Datum datum;

697

698 tp = SearchSysCache1(COLLOID, ObjectIdGetDatum(collid));

699 if (!HeapTupleIsValid(tp))

700 elog(ERROR, "cache lookup failed for collation %u", collid);

701

702 datum = SysCacheGetAttrNotNull(COLLOID, tp,

703 Anum_pg_collation_collcollate);

704 collate = TextDatumGetCString(datum);

705 datum = SysCacheGetAttrNotNull(COLLOID, tp,

706 Anum_pg_collation_collctype);

707 ctype = TextDatumGetCString(datum);

708

709 ReleaseSysCache(tp);

710 }

711

712

713 loc = make_libc_collator(collate, ctype);

714

715 result = MemoryContextAllocZero(context, sizeof(struct pg_locale_struct));

716 result->deterministic = true;

717 result->collate_is_c = (strcmp(collate, "C") == 0) ||

718 (strcmp(collate, "POSIX") == 0);

719 result->ctype_is_c = (strcmp(ctype, "C") == 0) ||

720 (strcmp(ctype, "POSIX") == 0);

721 result->lt = loc;

722 if (!result->collate_is_c)

723 {

724#ifdef WIN32

725 if (GetDatabaseEncoding() == PG_UTF8)

726 result->collate = &collate_methods_libc_win32_utf8;

727 else

728#endif

729 result->collate = &collate_methods_libc;

730 }

731 if (!result->ctype_is_c)

732 {

733 if (GetDatabaseEncoding() == PG_UTF8)

734 result->ctype = &ctype_methods_libc_utf8;

735 else if (pg_database_encoding_max_length() > 1)

736 result->ctype = &ctype_methods_libc_other_mb;

737 else

738 result->ctype = &ctype_methods_libc_sb;

739 }

740

741 return result;

742}

if

if(TABLE==NULL||TABLE_index==NULL)

Definition: isn.c:81

pg_database_encoding_max_length

int pg_database_encoding_max_length(void)

Definition: mbutils.c:1547

ctype_methods_libc_other_mb

static const struct ctype_methods ctype_methods_libc_other_mb

Definition: pg_locale_libc.c:327

ctype_methods_libc_utf8

static const struct ctype_methods ctype_methods_libc_utf8

Definition: pg_locale_libc.c:347

make_libc_collator

static locale_t make_libc_collator(const char *collate, const char *ctype)

Definition: pg_locale_libc.c:753

collate_methods_libc

static const struct collate_methods collate_methods_libc

Definition: pg_locale_libc.c:366

ctype_methods_libc_sb

static const struct ctype_methods ctype_methods_libc_sb

Definition: pg_locale_libc.c:303

pg_locale_struct::lt

locale_t lt

Definition: pg_locale.h:166

References pg_locale_struct::collate, pg_locale_struct::collate_is_c, collate_methods_libc, collid, pg_locale_struct::ctype, pg_locale_struct::ctype_is_c, ctype_methods_libc_other_mb, ctype_methods_libc_sb, ctype_methods_libc_utf8, pg_locale_struct::deterministic, elog, ERROR, GetDatabaseEncoding(), HeapTupleIsValid, if(), locale_t, pg_locale_struct::lt, make_libc_collator(), MemoryContextAllocZero(), MyDatabaseId, ObjectIdGetDatum(), pg_database_encoding_max_length(), PG_UTF8, ReleaseSysCache(), SearchSysCache1(), SysCacheGetAttrNotNull(), and TextDatumGetCString.

Referenced by create_pg_locale(), and init_database_collation().

◆ db_encoding_convert()

static void db_encoding_convert ( int encoding,

char ** str

)

static

Definition at line 469 of file pg_locale.c.

470{

471 char *pstr;

472 char *mstr;

473

474 /* convert the string to the database encoding */

475 pstr = pg_any_to_server(*str, strlen(*str), encoding);

476 if (pstr == *str)

477 return; /* no conversion happened */

478

479 /* need it malloc'd not palloc'd */

480 mstr = strdup(pstr);

481 if (mstr == NULL)

482 ereport(ERROR,

483 (errcode(ERRCODE_OUT_OF_MEMORY),

484 errmsg("out of memory")));

485

486 /* replace old string */

487 free(*str);

488 *str = mstr;

489

490 pfree(pstr);

491}

str

const char * str

Definition: hashfn_unstable.h:254

free

#define free(a)

Definition: header.h:65

References encoding, ereport, errcode(), errmsg(), ERROR, free, pfree(), pg_any_to_server(), and str.

Referenced by PGLC_localeconv().

◆ free_struct_lconv()

static void free_struct_lconv ( struct lconv * s )

static

Definition at line 419 of file pg_locale.c.

420{

421 free(s->decimal_point);

422 free(s->thousands_sep);

423 free(s->grouping);

424 free(s->int_curr_symbol);

425 free(s->currency_symbol);

426 free(s->mon_decimal_point);

427 free(s->mon_thousands_sep);

428 free(s->mon_grouping);

429 free(s->positive_sign);

430 free(s->negative_sign);

431}

References free.

Referenced by PGLC_localeconv().

◆ get_collation_actual_version()

char * get_collation_actual_version ( char collprovider,

const char * collcollate

)

Definition at line 1217 of file pg_locale.c.

1218{

1219 char *collversion = NULL;

1220

1221 if (collprovider == COLLPROVIDER_BUILTIN)

1222 collversion = get_collation_actual_version_builtin(collcollate);

1223#ifdef USE_ICU

1224 else if (collprovider == COLLPROVIDER_ICU)

1225 collversion = get_collation_actual_version_icu(collcollate);

1226#endif

1227 else if (collprovider == COLLPROVIDER_LIBC)

1228 collversion = get_collation_actual_version_libc(collcollate);

1229

1230 return collversion;

1231}

get_collation_actual_version_libc

char * get_collation_actual_version_libc(const char *collcollate)

Definition: pg_locale_libc.c:911

get_collation_actual_version_builtin

char * get_collation_actual_version_builtin(const char *collcollate)

Definition: pg_locale_builtin.c:253

References get_collation_actual_version_builtin(), and get_collation_actual_version_libc().

Referenced by AlterCollation(), AlterDatabaseRefreshColl(), CheckMyDatabase(), create_pg_locale(), createdb(), DefineCollation(), pg_collation_actual_version(), pg_database_collation_actual_version(), and pg_import_system_collations().

◆ get_collation_actual_version_builtin()

char * get_collation_actual_version_builtin ( const char * collcollate )

Definition at line 253 of file pg_locale_builtin.c.

254{

255 /*

256 * The only two supported locales (C and C.UTF-8) are both based on memcmp

257 * and are not expected to change, but track the version anyway.

258 *

259 * Note that the character semantics may change for some locales, but the

260 * collation version only tracks changes to sort order.

261 */

262 if (strcmp(collcollate, "C") == 0)

263 return "1";

264 else if (strcmp(collcollate, "C.UTF-8") == 0)

265 return "1";

266 else if (strcmp(collcollate, "PG_UNICODE_FAST") == 0)

267 return "1";

268 else

269 ereport(ERROR,

270 (errcode(ERRCODE_WRONG_OBJECT_TYPE),

271 errmsg("invalid locale name \"%s\" for builtin provider",

272 collcollate)));

273

274 return NULL; /* keep compiler quiet */

275}

References ereport, errcode(), errmsg(), and ERROR.

Referenced by get_collation_actual_version().

◆ get_collation_actual_version_libc()

char * get_collation_actual_version_libc ( const char * collcollate )

Definition at line 911 of file pg_locale_libc.c.

912{

913 char *collversion = NULL;

914

915 if (pg_strcasecmp("C", collcollate) != 0 &&

916 pg_strncasecmp("C.", collcollate, 2) != 0 &&

917 pg_strcasecmp("POSIX", collcollate) != 0)

918 {

919#if defined(__GLIBC__)

920 /* Use the glibc version because we don't have anything better. */

921 collversion = pstrdup(gnu_get_libc_version());

922#elif defined(LC_VERSION_MASK)

923 locale_t loc;

924

925 /* Look up FreeBSD collation version. */

926 loc = newlocale(LC_COLLATE_MASK, collcollate, NULL);

927 if (loc)

928 {

929 collversion =

930 pstrdup(querylocale(LC_COLLATE_MASK | LC_VERSION_MASK, loc));

931 freelocale(loc);

932 }

933 else

934 ereport(ERROR,

935 (errmsg("could not load locale \"%s\"", collcollate)));

936#elif defined(WIN32)

937 /*

938 * If we are targeting Windows Vista and above, we can ask for a name

939 * given a collation name (earlier versions required a location code

940 * that we don't have).

941 */

942 NLSVERSIONINFOEX version = {sizeof(NLSVERSIONINFOEX)};

943 WCHAR wide_collcollate[LOCALE_NAME_MAX_LENGTH];

944

945 MultiByteToWideChar(CP_ACP, 0, collcollate, -1, wide_collcollate,

946 LOCALE_NAME_MAX_LENGTH);

947 if (!GetNLSVersionEx(COMPARE_STRING, wide_collcollate, &version))

948 {

949 /*

950 * GetNLSVersionEx() wants a language tag such as "en-US", not a

951 * locale name like "English_United States.1252". Until those

952 * values can be prevented from entering the system, or 100%

953 * reliably converted to the more useful tag format, tolerate the

954 * resulting error and report that we have no version data.

955 */

956 if (GetLastError() == ERROR_INVALID_PARAMETER)

957 return NULL;

958

959 ereport(ERROR,

960 (errmsg("could not get collation version for locale \"%s\": error code %lu",

961 collcollate,

962 GetLastError())));

963 }

964 collversion = psprintf("%lu.%lu,%lu.%lu",

965 (version.dwNLSVersion >> 8) & 0xFFFF,

966 version.dwNLSVersion & 0xFF,

967 (version.dwDefinedVersion >> 8) & 0xFFFF,

968 version.dwDefinedVersion & 0xFF);

969#endif

970 }

971

972 return collversion;

973}

pg_strcasecmp

int pg_strcasecmp(const char *s1, const char *s2)

Definition: pgstrcasecmp.c:36

pg_strncasecmp

int pg_strncasecmp(const char *s1, const char *s2, size_t n)

Definition: pgstrcasecmp.c:69

psprintf

char * psprintf(const char *fmt,...)

Definition: psprintf.c:43

References ereport, errmsg(), ERROR, locale_t, pg_strcasecmp(), pg_strncasecmp(), psprintf(), and pstrdup().

Referenced by get_collation_actual_version().

◆ icu_language_tag()

char * icu_language_tag ( const char * loc_str,

int elevel

)

Definition at line 1502 of file pg_locale.c.

1503{

1504#ifdef USE_ICU

1505 UErrorCode status;

1506 char *langtag;

1507 size_t buflen = 32; /* arbitrary starting buffer size */

1508 const bool strict = true;

1509

1510 /*

1511 * A BCP47 language tag doesn't have a clearly-defined upper limit (cf.

1512 * RFC5646 section 4.4). Additionally, in older ICU versions,

1513 * uloc_toLanguageTag() doesn't always return the ultimate length on the

1514 * first call, necessitating a loop.

1515 */

1516 langtag = palloc(buflen);

1517 while (true)

1518 {

1519 status = U_ZERO_ERROR;

1520 uloc_toLanguageTag(loc_str, langtag, buflen, strict, &status);

1521

1522 /* try again if the buffer is not large enough */

1523 if ((status == U_BUFFER_OVERFLOW_ERROR ||

1524 status == U_STRING_NOT_TERMINATED_WARNING) &&

1525 buflen < MaxAllocSize)

1526 {

1527 buflen = Min(buflen * 2, MaxAllocSize);

1528 langtag = repalloc(langtag, buflen);

1529 continue;

1530 }

1531

1532 break;

1533 }

1534

1535 if (U_FAILURE(status))

1536 {

1537 pfree(langtag);

1538

1539 if (elevel > 0)

1540 ereport(elevel,

1541 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),

1542 errmsg("could not convert locale name \"%s\" to language tag: %s",

1543 loc_str, u_errorName(status))));

1544 return NULL;

1545 }

1546

1547 return langtag;

1548#else /* not USE_ICU */

1549 ereport(ERROR,

1550 (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),

1551 errmsg("ICU is not supported in this build")));

1552 return NULL; /* keep compiler quiet */

1553#endif /* not USE_ICU */

1554}

Min

#define Min(x, y)

Definition: c.h:1003

MaxAllocSize

#define MaxAllocSize

Definition: fe_memutils.h:22

repalloc

void * repalloc(void *pointer, Size size)

Definition: mcxt.c:1610

palloc

void * palloc(Size size)

Definition: mcxt.c:1365

References ereport, errcode(), errmsg(), ERROR, MaxAllocSize, Min, palloc(), pfree(), and repalloc().

Referenced by createdb(), DefineCollation(), and pg_import_system_collations().

◆ icu_validate_locale()

void icu_validate_locale ( const char * loc_str )

Definition at line 1560 of file pg_locale.c.

1561{

1562#ifdef USE_ICU

1563 UCollator *collator;

1564 UErrorCode status;

1565 char lang[ULOC_LANG_CAPACITY];

1566 bool found = false;

1567 int elevel = icu_validation_level;

1568

1569 /* no validation */

1570 if (elevel < 0)

1571 return;

1572

1573 /* downgrade to WARNING during pg_upgrade */

1574 if (IsBinaryUpgrade && elevel > WARNING)

1575 elevel = WARNING;

1576

1577 /* validate that we can extract the language */

1578 status = U_ZERO_ERROR;

1579 uloc_getLanguage(loc_str, lang, ULOC_LANG_CAPACITY, &status);

1580 if (U_FAILURE(status) || status == U_STRING_NOT_TERMINATED_WARNING)

1581 {

1582 ereport(elevel,

1583 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),

1584 errmsg("could not get language from ICU locale \"%s\": %s",

1585 loc_str, u_errorName(status)),

1586 errhint("To disable ICU locale validation, set the parameter \"%s\" to \"%s\".",

1587 "icu_validation_level", "disabled")));

1588 return;

1589 }

1590

1591 /* check for special language name */

1592 if (strcmp(lang, "") == 0 ||

1593 strcmp(lang, "root") == 0 || strcmp(lang, "und") == 0)

1594 found = true;

1595

1596 /* search for matching language within ICU */

1597 for (int32_t i = 0; !found && i < uloc_countAvailable(); i++)

1598 {

1599 const char *otherloc = uloc_getAvailable(i);

1600 char otherlang[ULOC_LANG_CAPACITY];

1601

1602 status = U_ZERO_ERROR;

1603 uloc_getLanguage(otherloc, otherlang, ULOC_LANG_CAPACITY, &status);

1604 if (U_FAILURE(status) || status == U_STRING_NOT_TERMINATED_WARNING)

1605 continue;

1606

1607 if (strcmp(lang, otherlang) == 0)

1608 found = true;

1609 }

1610

1611 if (!found)

1612 ereport(elevel,

1613 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),

1614 errmsg("ICU locale \"%s\" has unknown language \"%s\"",

1615 loc_str, lang),

1616 errhint("To disable ICU locale validation, set the parameter \"%s\" to \"%s\".",

1617 "icu_validation_level", "disabled")));

1618

1619 /* check that it can be opened */

1620 collator = pg_ucol_open(loc_str);

1621 ucol_close(collator);

1622#else /* not USE_ICU */

1623 /* could get here if a collation was created by a build with ICU */

1624 ereport(ERROR,

1625 (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),

1626 errmsg("ICU is not supported in this build")));

1627#endif /* not USE_ICU */

1628}

IsBinaryUpgrade

bool IsBinaryUpgrade

Definition: globals.c:121

icu_validation_level

int icu_validation_level

Definition: pg_locale.c:88

References ereport, errcode(), errhint(), errmsg(), ERROR, i, icu_validation_level, IsBinaryUpgrade, and WARNING.

Referenced by createdb(), and DefineCollation().

◆ init_database_collation()

void init_database_collation ( void )

Definition at line 1124 of file pg_locale.c.

1125{

1126 HeapTuple tup;

1127 Form_pg_database dbform;

1128 pg_locale_t result;

1129

1130 Assert(default_locale == NULL);

1131

1132 /* Fetch our pg_database row normally, via syscache */

1133 tup = SearchSysCache1(DATABASEOID, ObjectIdGetDatum(MyDatabaseId));

1134 if (!HeapTupleIsValid(tup))

1135 elog(ERROR, "cache lookup failed for database %u", MyDatabaseId);

1136 dbform = (Form_pg_database) GETSTRUCT(tup);

1137

1138 if (dbform->datlocprovider == COLLPROVIDER_BUILTIN)

1139 result = create_pg_locale_builtin(DEFAULT_COLLATION_OID,

1140 TopMemoryContext);

1141 else if (dbform->datlocprovider == COLLPROVIDER_ICU)

1142 result = create_pg_locale_icu(DEFAULT_COLLATION_OID,

1143 TopMemoryContext);

1144 else if (dbform->datlocprovider == COLLPROVIDER_LIBC)

1145 result = create_pg_locale_libc(DEFAULT_COLLATION_OID,

1146 TopMemoryContext);

1147 else

1148 /* shouldn't happen */

1149 PGLOCALE_SUPPORT_ERROR(dbform->datlocprovider);

1150

1151 result->is_default = true;

1152 ReleaseSysCache(tup);

1153

1154 default_locale = result;

1155}

Form_pg_database

FormData_pg_database * Form_pg_database

Definition: pg_database.h:96

default_locale

static pg_locale_t default_locale

Definition: pg_locale.c:105

References Assert(), create_pg_locale_builtin(), create_pg_locale_icu(), create_pg_locale_libc(), default_locale, elog, ERROR, GETSTRUCT(), HeapTupleIsValid, pg_locale_struct::is_default, MyDatabaseId, ObjectIdGetDatum(), PGLOCALE_SUPPORT_ERROR, ReleaseSysCache(), SearchSysCache1(), and TopMemoryContext.

Referenced by CheckMyDatabase().

◆ pg_newlocale_from_collation()

pg_locale_t pg_newlocale_from_collation ( Oid collid )

Definition at line 1166 of file pg_locale.c.

1167{

1168 collation_cache_entry *cache_entry;

1169 bool found;

1170

1171 if (collid == DEFAULT_COLLATION_OID)

1172 return default_locale;

1173

1174 if (!OidIsValid(collid))

1175 elog(ERROR, "cache lookup failed for collation %u", collid);

1176

1177 AssertCouldGetRelation();

1178

1179 if (last_collation_cache_oid == collid)

1180 return last_collation_cache_locale;

1181

1182 if (CollationCache == NULL)

1183 {

1184 CollationCacheContext = AllocSetContextCreate(TopMemoryContext,

1185 "collation cache",

1186 ALLOCSET_DEFAULT_SIZES);

1187 CollationCache = collation_cache_create(CollationCacheContext,

1188 16, NULL);

1189 }

1190

1191 cache_entry = collation_cache_insert(CollationCache, collid, &found);

1192 if (!found)

1193 {

1194 /*

1195 * Make sure cache entry is marked invalid, in case we fail before

1196 * setting things.

1197 */

1198 cache_entry->locale = 0;

1199 }

1200

1201 if (cache_entry->locale == 0)

1202 {

1203 cache_entry->locale = create_pg_locale(collid, CollationCacheContext);

1204 }

1205

1206 last_collation_cache_oid = collid;

1207 last_collation_cache_locale = cache_entry->locale;

1208

1209 return cache_entry->locale;

1210}

OidIsValid

#define OidIsValid(objectId)

Definition: c.h:774

AllocSetContextCreate

#define AllocSetContextCreate

Definition: memutils.h:129

ALLOCSET_DEFAULT_SIZES

#define ALLOCSET_DEFAULT_SIZES

Definition: memutils.h:160

last_collation_cache_locale

static pg_locale_t last_collation_cache_locale

Definition: pg_locale.c:144

create_pg_locale

static pg_locale_t create_pg_locale(Oid collid, MemoryContext context)

Definition: pg_locale.c:1042

CollationCacheContext

static MemoryContext CollationCacheContext

Definition: pg_locale.c:136

CollationCache

static collation_cache_hash * CollationCache

Definition: pg_locale.c:137

last_collation_cache_oid

static Oid last_collation_cache_oid

Definition: pg_locale.c:143

AssertCouldGetRelation

static void AssertCouldGetRelation(void)

Definition: relcache.h:44

collation_cache_entry

Definition: pg_locale.c:114

collation_cache_entry::locale

pg_locale_t locale

Definition: pg_locale.c:116

References ALLOCSET_DEFAULT_SIZES, AllocSetContextCreate, AssertCouldGetRelation(), CollationCache, CollationCacheContext, collid, create_pg_locale(), default_locale, elog, ERROR, last_collation_cache_locale, last_collation_cache_oid, collation_cache_entry::locale, OidIsValid, and TopMemoryContext.

Referenced by bpchareq(), bpcharne(), btvarstrequalimage(), convert_string_datum(), DefineCollation(), Generic_Text_IC_like(), GenericMatchText(), hashbpchar(), hashbpcharextended(), hashtext(), hashtextextended(), like_fixed_prefix(), make_greater_string(), match_pattern_prefix(), pg_set_regex_collation(), spg_text_inner_consistent(), str_casefold(), str_initcap(), str_tolower(), str_toupper(), text_position(), text_position_setup(), text_starts_with(), texteq(), textne(), varstr_cmp(), and varstr_sortsupport().

◆ pg_perm_setlocale()

char * pg_perm_setlocale ( int category,

const char * locale

)

Definition at line 165 of file pg_locale.c.

166{

167 char *result;

168 const char *envvar;

169

170#ifndef WIN32

171 result = setlocale(category, locale);

172#else

173

174 /*

175 * On Windows, setlocale(LC_MESSAGES) does not work, so just assume that

176 * the given value is good and set it in the environment variables. We

177 * must ignore attempts to set to "", which means "keep using the old

178 * environment value".

179 */

180#ifdef LC_MESSAGES

181 if (category == LC_MESSAGES)

182 {

183 result = (char *) locale;

184 if (locale == NULL || locale[0] == '0円')

185 return result;

186 }

187 else

188#endif

189 result = setlocale(category, locale);

190#endif /* WIN32 */

191

192 if (result == NULL)

193 return result; /* fall out immediately on failure */

194

195 /*

196 * Use the right encoding in translated messages. Under ENABLE_NLS, let

197 * pg_bind_textdomain_codeset() figure it out. Under !ENABLE_NLS, message

198 * format strings are ASCII, but database-encoding strings may enter the

199 * message via %s. This makes the overall message encoding equal to the

200 * database encoding.

201 */

202 if (category == LC_CTYPE)

203 {

204 static char save_lc_ctype[LOCALE_NAME_BUFLEN];

205

206 /* copy setlocale() return value before callee invokes it again */

207 strlcpy(save_lc_ctype, result, sizeof(save_lc_ctype));

208 result = save_lc_ctype;

209

210#ifdef ENABLE_NLS

211 SetMessageEncoding(pg_bind_textdomain_codeset(textdomain(NULL)));

212#else

213 SetMessageEncoding(GetDatabaseEncoding());

214#endif

215 }

216

217 switch (category)

218 {

219 case LC_COLLATE:

220 envvar = "LC_COLLATE";

221 break;

222 case LC_CTYPE:

223 envvar = "LC_CTYPE";

224 break;

225#ifdef LC_MESSAGES

226 case LC_MESSAGES:

227 envvar = "LC_MESSAGES";

228#ifdef WIN32

229 result = IsoLocaleName(locale);

230 if (result == NULL)

231 result = (char *) locale;

232 elog(DEBUG3, "IsoLocaleName() executed; locale: \"%s\"", result);

233#endif /* WIN32 */

234 break;

235#endif /* LC_MESSAGES */

236 case LC_MONETARY:

237 envvar = "LC_MONETARY";

238 break;

239 case LC_NUMERIC:

240 envvar = "LC_NUMERIC";

241 break;

242 case LC_TIME:

243 envvar = "LC_TIME";

244 break;

245 default:

246 elog(FATAL, "unrecognized LC category: %d", category);

247 return NULL; /* keep compiler quiet */

248 }

249

250 if (setenv(envvar, result, 1) != 0)

251 return NULL;

252

253 return result;

254}

FATAL

#define FATAL

Definition: elog.h:41

SetMessageEncoding

void SetMessageEncoding(int encoding)

Definition: mbutils.c:1172

LOCALE_NAME_BUFLEN

#define LOCALE_NAME_BUFLEN

Definition: pg_locale.h:27

strlcpy

size_t strlcpy(char *dst, const char *src, size_t siz)

Definition: strlcpy.c:45

setenv

#define setenv(x, y, z)

Definition: win32_port.h:545

References DEBUG3, elog, FATAL, GetDatabaseEncoding(), locale, LOCALE_NAME_BUFLEN, setenv, setlocale, SetMessageEncoding(), and strlcpy().

Referenced by assign_locale_messages(), CheckMyDatabase(), and init_locale().

◆ pg_strcoll()

int pg_strcoll ( const char * arg1,

const char * arg2,

pg_locale_t locale

)

Definition at line 1270 of file pg_locale.c.

1271{

1272 return locale->collate->strncoll(arg1, -1, arg2, -1, locale);

1273}

References locale.

Referenced by varstrfastcmp_locale().

◆ pg_strfold()

size_t pg_strfold ( char * dst,

size_t dstsize,

const char * src,

ssize_t srclen,

pg_locale_t locale

)

Definition at line 1255 of file pg_locale.c.

1257{

1258 if (locale->ctype->strfold)

1259 return locale->ctype->strfold(dst, dstsize, src, srclen, locale);

1260 else

1261 return locale->ctype->strlower(dst, dstsize, src, srclen, locale);

1262}

References locale.

Referenced by str_casefold().

◆ pg_strlower()

size_t pg_strlower ( char * dst,

size_t dstsize,

const char * src,

ssize_t srclen,

pg_locale_t locale

)

Definition at line 1234 of file pg_locale.c.

1236{

1237 return locale->ctype->strlower(dst, dstsize, src, srclen, locale);

1238}

References locale.

Referenced by str_tolower().

◆ pg_strncoll()

int pg_strncoll ( const char * arg1,

ssize_t len1,

const char * arg2,

ssize_t len2,

pg_locale_t locale

)

Definition at line 1290 of file pg_locale.c.

1292{

1293 return locale->collate->strncoll(arg1, len1, arg2, len2, locale);

1294}

References locale.

Referenced by MatchText(), text_position_next_internal(), and varstr_cmp().

◆ pg_strnxfrm()

size_t pg_strnxfrm ( char * dest,

size_t destsize,

const char * src,

ssize_t srclen,

pg_locale_t locale

)

Definition at line 1345 of file pg_locale.c.

1347{

1348 return locale->collate->strnxfrm(dest, destsize, src, srclen, locale);

1349}

generate_unaccent_rules.dest

dest

Definition: generate_unaccent_rules.py:285

References generate_unaccent_rules::dest, and locale.

Referenced by hashbpchar(), hashbpcharextended(), hashtext(), and hashtextextended().

◆ pg_strnxfrm_prefix()

size_t pg_strnxfrm_prefix ( char * dest,

size_t destsize,

const char * src,

ssize_t srclen,

pg_locale_t locale

)

Definition at line 1392 of file pg_locale.c.

1394{

1395 return locale->collate->strnxfrm_prefix(dest, destsize, src, srclen, locale);

1396}

References generate_unaccent_rules::dest, and locale.

◆ pg_strtitle()

size_t pg_strtitle ( char * dst,

size_t dstsize,

const char * src,

ssize_t srclen,

pg_locale_t locale

)

Definition at line 1241 of file pg_locale.c.

1243{

1244 return locale->ctype->strtitle(dst, dstsize, src, srclen, locale);

1245}

References locale.

Referenced by str_initcap().

◆ pg_strupper()

size_t pg_strupper ( char * dst,

size_t dstsize,

const char * src,

ssize_t srclen,

pg_locale_t locale

)

Definition at line 1248 of file pg_locale.c.

1250{

1251 return locale->ctype->strupper(dst, dstsize, src, srclen, locale);

1252}

References locale.

Referenced by str_toupper().

◆ pg_strxfrm()

size_t pg_strxfrm ( char * dest,

const char * src,

size_t destsize,

pg_locale_t locale

)

Definition at line 1320 of file pg_locale.c.

1321{

1322 return locale->collate->strnxfrm(dest, destsize, src, -1, locale);

1323}

References generate_unaccent_rules::dest, and locale.

Referenced by convert_string_datum(), and varstr_abbrev_convert().

◆ pg_strxfrm_enabled()

bool pg_strxfrm_enabled ( pg_locale_t locale )

Definition at line 1304 of file pg_locale.c.

1305{

1306 /*

1307 * locale->collate->strnxfrm is still a required method, even if it may

1308 * have the wrong behavior, because the planner uses it for estimates in

1309 * some cases.

1310 */

1311 return locale->collate->strxfrm_is_safe;

1312}

References locale.

Referenced by varstr_sortsupport().

◆ pg_strxfrm_prefix()

size_t pg_strxfrm_prefix ( char * dest,

const char * src,

size_t destsize,

pg_locale_t locale

)

Definition at line 1367 of file pg_locale.c.

1369{

1370 return locale->collate->strnxfrm_prefix(dest, destsize, src, -1, locale);

1371}

References generate_unaccent_rules::dest, and locale.

Referenced by varstr_abbrev_convert().

◆ pg_strxfrm_prefix_enabled()

bool pg_strxfrm_prefix_enabled ( pg_locale_t locale )

Definition at line 1356 of file pg_locale.c.

1357{

1358 return (locale->collate->strnxfrm_prefix != NULL);

1359}

References locale.

Referenced by varstr_abbrev_convert().

◆ PGLC_localeconv()

struct lconv * PGLC_localeconv ( void )

Definition at line 499 of file pg_locale.c.

500{

501 static struct lconv CurrentLocaleConv;

502 static bool CurrentLocaleConvAllocated = false;

503 struct lconv *extlconv;

504 struct lconv tmp;

505 struct lconv worklconv = {0};

506

507 /* Did we do it already? */

508 if (CurrentLocaleConvValid)

509 return &CurrentLocaleConv;

510

511 /* Free any already-allocated storage */

512 if (CurrentLocaleConvAllocated)

513 {

514 free_struct_lconv(&CurrentLocaleConv);

515 CurrentLocaleConvAllocated = false;

516 }

517

518 /*

519 * Use thread-safe method of obtaining a copy of lconv from the operating

520 * system.

521 */

522 if (pg_localeconv_r(locale_monetary,

523 locale_numeric,

524 &tmp) != 0)

525 elog(ERROR,

526 "could not get lconv for LC_MONETARY = \"%s\", LC_NUMERIC = \"%s\": %m",

527 locale_monetary, locale_numeric);

528

529 /* Must copy data now so we can re-encode it. */

530 extlconv = &tmp;

531 worklconv.decimal_point = strdup(extlconv->decimal_point);

532 worklconv.thousands_sep = strdup(extlconv->thousands_sep);

533 worklconv.grouping = strdup(extlconv->grouping);

534 worklconv.int_curr_symbol = strdup(extlconv->int_curr_symbol);

535 worklconv.currency_symbol = strdup(extlconv->currency_symbol);

536 worklconv.mon_decimal_point = strdup(extlconv->mon_decimal_point);

537 worklconv.mon_thousands_sep = strdup(extlconv->mon_thousands_sep);

538 worklconv.mon_grouping = strdup(extlconv->mon_grouping);

539 worklconv.positive_sign = strdup(extlconv->positive_sign);

540 worklconv.negative_sign = strdup(extlconv->negative_sign);

541 /* Copy scalar fields as well */

542 worklconv.int_frac_digits = extlconv->int_frac_digits;

543 worklconv.frac_digits = extlconv->frac_digits;

544 worklconv.p_cs_precedes = extlconv->p_cs_precedes;

545 worklconv.p_sep_by_space = extlconv->p_sep_by_space;

546 worklconv.n_cs_precedes = extlconv->n_cs_precedes;

547 worklconv.n_sep_by_space = extlconv->n_sep_by_space;

548 worklconv.p_sign_posn = extlconv->p_sign_posn;

549 worklconv.n_sign_posn = extlconv->n_sign_posn;

550

551 /* Free the contents of the object populated by pg_localeconv_r(). */

552 pg_localeconv_free(&tmp);

553

554 /* If any of the preceding strdup calls failed, complain now. */

555 if (!struct_lconv_is_valid(&worklconv))

556 ereport(ERROR,

557 (errcode(ERRCODE_OUT_OF_MEMORY),

558 errmsg("out of memory")));

559

560 PG_TRY();

561 {

562 int encoding;

563

564 /*

565 * Now we must perform encoding conversion from whatever's associated

566 * with the locales into the database encoding. If we can't identify

567 * the encoding implied by LC_NUMERIC or LC_MONETARY (ie we get -1),

568 * use PG_SQL_ASCII, which will result in just validating that the

569 * strings are OK in the database encoding.

570 */

571 encoding = pg_get_encoding_from_locale(locale_numeric, true);

572 if (encoding < 0)

573 encoding = PG_SQL_ASCII;

574

575 db_encoding_convert(encoding, &worklconv.decimal_point);

576 db_encoding_convert(encoding, &worklconv.thousands_sep);

577 /* grouping is not text and does not require conversion */

578

579 encoding = pg_get_encoding_from_locale(locale_monetary, true);

580 if (encoding < 0)

581 encoding = PG_SQL_ASCII;

582

583 db_encoding_convert(encoding, &worklconv.int_curr_symbol);

584 db_encoding_convert(encoding, &worklconv.currency_symbol);

585 db_encoding_convert(encoding, &worklconv.mon_decimal_point);

586 db_encoding_convert(encoding, &worklconv.mon_thousands_sep);

587 /* mon_grouping is not text and does not require conversion */

588 db_encoding_convert(encoding, &worklconv.positive_sign);

589 db_encoding_convert(encoding, &worklconv.negative_sign);

590 }

591 PG_CATCH();

592 {

593 free_struct_lconv(&worklconv);

594 PG_RE_THROW();

595 }

596 PG_END_TRY();

597

598 /*

599 * Everything is good, so save the results.

600 */

601 CurrentLocaleConv = worklconv;

602 CurrentLocaleConvAllocated = true;

603 CurrentLocaleConvValid = true;

604 return &CurrentLocaleConv;

605}

PG_RE_THROW

#define PG_RE_THROW()

Definition: elog.h:405

PG_TRY

#define PG_TRY(...)

Definition: elog.h:372

PG_END_TRY

#define PG_END_TRY(...)

Definition: elog.h:397

PG_CATCH

#define PG_CATCH(...)

Definition: elog.h:382

locale_numeric

char * locale_numeric

Definition: pg_locale.c:85

db_encoding_convert

static void db_encoding_convert(int encoding, char **str)

Definition: pg_locale.c:469

free_struct_lconv

static void free_struct_lconv(struct lconv *s)

Definition: pg_locale.c:419

struct_lconv_is_valid

static bool struct_lconv_is_valid(struct lconv *s)

Definition: pg_locale.c:438

locale_monetary

char * locale_monetary

Definition: pg_locale.c:84

pg_localeconv_r

int pg_localeconv_r(const char *lc_monetary, const char *lc_numeric, struct lconv *output)

Definition: pg_localeconv_r.c:231

pg_localeconv_free

void pg_localeconv_free(struct lconv *lconv)

Definition: pg_localeconv_r.c:104

References CurrentLocaleConvValid, db_encoding_convert(), elog, encoding, ereport, errcode(), errmsg(), ERROR, free_struct_lconv(), locale_monetary, locale_numeric, PG_CATCH, PG_END_TRY, pg_get_encoding_from_locale(), pg_localeconv_free(), pg_localeconv_r(), PG_RE_THROW, PG_SQL_ASCII, PG_TRY, and struct_lconv_is_valid().

Referenced by cash_in(), cash_numeric(), cash_out(), int4_cash(), int8_cash(), NUM_prepare_locale(), and numeric_cash().

◆ struct_lconv_is_valid()

static bool struct_lconv_is_valid ( struct lconv * s )

static

Definition at line 438 of file pg_locale.c.

439{

440 if (s->decimal_point == NULL)

441 return false;

442 if (s->thousands_sep == NULL)

443 return false;

444 if (s->grouping == NULL)

445 return false;

446 if (s->int_curr_symbol == NULL)

447 return false;

448 if (s->currency_symbol == NULL)

449 return false;

450 if (s->mon_decimal_point == NULL)

451 return false;

452 if (s->mon_thousands_sep == NULL)

453 return false;

454 if (s->mon_grouping == NULL)

455 return false;

456 if (s->positive_sign == NULL)

457 return false;

458 if (s->negative_sign == NULL)

459 return false;

460 return true;

461}

Referenced by PGLC_localeconv().

Variable Documentation

◆ CollationCache

collation_cache_hash* CollationCache = NULL

static

Definition at line 137 of file pg_locale.c.

Referenced by pg_newlocale_from_collation().

◆ CollationCacheContext

MemoryContext CollationCacheContext = NULL

static

Definition at line 136 of file pg_locale.c.

Referenced by pg_newlocale_from_collation().

◆ CurrentLCTimeValid

bool CurrentLCTimeValid = false

static

Definition at line 109 of file pg_locale.c.

Referenced by assign_locale_time(), and cache_locale_time().

◆ CurrentLocaleConvValid

bool CurrentLocaleConvValid = false

static

Definition at line 108 of file pg_locale.c.

Referenced by assign_locale_monetary(), assign_locale_numeric(), and PGLC_localeconv().

◆ database_ctype_is_c

bool database_ctype_is_c = false

Definition at line 103 of file pg_locale.c.

Referenced by CheckMyDatabase(), t_isalnum(), t_isalpha(), and TParserInit().

◆ default_locale

pg_locale_t default_locale = NULL

static

Definition at line 105 of file pg_locale.c.

Referenced by init_database_collation(), and pg_newlocale_from_collation().

◆ icu_validation_level

int icu_validation_level = WARNING

Definition at line 88 of file pg_locale.c.

Referenced by createdb(), DefineCollation(), and icu_validate_locale().

◆ last_collation_cache_locale

pg_locale_t last_collation_cache_locale = NULL

static

Definition at line 144 of file pg_locale.c.

Referenced by pg_newlocale_from_collation().

◆ last_collation_cache_oid

Oid last_collation_cache_oid = InvalidOid

static

Definition at line 143 of file pg_locale.c.

Referenced by pg_newlocale_from_collation().

◆ locale_messages

char* locale_messages

Definition at line 83 of file pg_locale.c.

◆ locale_monetary

char* locale_monetary

Definition at line 84 of file pg_locale.c.

Referenced by PGLC_localeconv().

◆ locale_numeric

char* locale_numeric

Definition at line 85 of file pg_locale.c.

Referenced by PGLC_localeconv().

◆ locale_time

char* locale_time

Definition at line 86 of file pg_locale.c.

Referenced by cache_locale_time().

◆ localized_abbrev_days

char* localized_abbrev_days[7+1]

Definition at line 97 of file pg_locale.c.

Referenced by cache_locale_time(), DCH_from_char(), and DCH_to_char().

◆ localized_abbrev_months

char* localized_abbrev_months[12+1]

Definition at line 99 of file pg_locale.c.

Referenced by cache_locale_time(), DCH_from_char(), and DCH_to_char().

◆ localized_full_days

char* localized_full_days[7+1]

Definition at line 98 of file pg_locale.c.

Referenced by cache_locale_time(), DCH_from_char(), and DCH_to_char().

◆ localized_full_months

char* localized_full_months[12+1]

Definition at line 100 of file pg_locale.c.

Referenced by cache_locale_time(), DCH_from_char(), and DCH_to_char().