database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-11-21 00:42:43 +03:00
Code Activity

Per-column collation support

Browse Source 
This adds collation support for columns and domains, a COLLATE clause
to override it per expression, and B-tree index support.

Peter Eisentraut
reviewed by Pavel Stehule, Itagaki Takahiro, Robert Haas, Noah Misch
This commit is contained in:
Peter Eisentraut
2011-02-08 23:04:18 +02:00
parent 1703f0e8da
commit 414c5a2ea6
156 changed files with 4519 additions and 582 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/backend/utils/mb/mbutils.c
View File

@@ -629,7 +629,7 @@ perform_default_encoding_conversion(const char *src, int len, bool is_client_to_
* zero-terminated. The output will be zero-terminated iff there is room.
*/
size_t
wchar2char(char *to, const wchar_t *from, size_t tolen)
wchar2char(char *to, const wchar_t *from, size_t tolen, Oid collation)
{
size_t result;
@@ -660,7 +660,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen)
else
#endif /* WIN32 */
{
Assert(!lc_ctype_is_c());
Assert(!lc_ctype_is_c(collation));
result = wcstombs(to, from, tolen);
}
return result;
@@ -676,7 +676,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen)
* The output will be zero-terminated iff there is room.
*/
size_t
char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen)
char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen, Oid collation)
{
size_t result;
@@ -711,7 +711,7 @@ char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen)
/* mbstowcs requires ending '\0' */
char *str = pnstrdup(from, fromlen);
Assert(!lc_ctype_is_c());
Assert(!lc_ctype_is_c(collation));
result = mbstowcs(to, str, tolen);
pfree(str);
}
@@ -983,7 +983,7 @@ GetPlatformEncoding(void)
if (PlatformEncoding == NULL)
{
/* try to determine encoding of server's environment locale */
int encoding = pg_get_encoding_from_locale("");
int encoding = pg_get_encoding_from_locale("", true);
if (encoding < 0)
encoding = PG_SQL_ASCII;