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Per-column collation support

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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
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5
contrib/ltree/lquery_op.c
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@ -7,6 +7,7 @@
#include <ctype.h>
#include "catalog/pg_collation.h"
#include "utils/array.h"
#include "utils/formatting.h"
#include "ltree.h"
@ -90,8 +91,8 @@ bool
int
ltree_strncasecmp(const char *a, const char *b, size_t s)
{
char *al = str_tolower(a, s);
char *bl = str_tolower(b, s);
char *al = str_tolower(a, s, DEFAULT_COLLATION_OID);
char *bl = str_tolower(b, s, DEFAULT_COLLATION_OID);
int res;
res = strncmp(al, bl, s);