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体验新版 GitCode,发现更多精彩内容 >>
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88d7b4a2
编写于
8月 22, 2000
作者:
T
Tatsuo Ishii
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Add multibyte support for both LIKE and ILIKE
Eliminate up-to-4-times memory allocation problem
上级
0147b193
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
100 addition
and
239 deletion
+100
-239
src/backend/utils/adt/like.c
src/backend/utils/adt/like.c
+100
-239
未找到文件。
src/backend/utils/adt/like.c
浏览文件 @
88d7b4a2
...
@@ -11,13 +11,15 @@
...
@@ -11,13 +11,15 @@
* Portions Copyright (c) 1994, Regents of the University of California
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/like.c,v 1.4
0 2000/08/09 14:13:03 thomas
Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/like.c,v 1.4
1 2000/08/22 06:33:57 ishii
Exp $
*
*
*-------------------------------------------------------------------------
*-------------------------------------------------------------------------
*/
*/
#include "postgres.h"
#include "postgres.h"
#include <ctype.h>
#include <ctype.h>
#ifdef MULTIBYTE
#include "mb/pg_wchar.h"
#include "mb/pg_wchar.h"
#endif
#include "utils/builtins.h"
#include "utils/builtins.h"
...
@@ -26,8 +28,8 @@
...
@@ -26,8 +28,8 @@
#define LIKE_ABORT (-1)
#define LIKE_ABORT (-1)
static
int
MatchText
(
pg_wchar
*
t
,
int
tlen
,
pg_w
char
*
p
,
int
plen
,
char
*
e
);
static
int
MatchText
(
unsigned
char
*
t
,
int
tlen
,
unsigned
char
*
p
,
int
plen
,
char
*
e
);
static
int
MatchTextLower
(
pg_wchar
*
t
,
int
tlen
,
pg_w
char
*
p
,
int
plen
,
char
*
e
);
static
int
MatchTextLower
(
unsigned
char
*
t
,
int
tlen
,
unsigned
char
*
p
,
int
plen
,
char
*
e
);
/*
/*
...
@@ -40,35 +42,16 @@ namelike(PG_FUNCTION_ARGS)
...
@@ -40,35 +42,16 @@ namelike(PG_FUNCTION_ARGS)
bool
result
;
bool
result
;
Name
str
=
PG_GETARG_NAME
(
0
);
Name
str
=
PG_GETARG_NAME
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
#ifdef MULTIBYTE
pg_wchar
*
ss
,
*
pp
;
slen
=
strlen
(
NameStr
(
*
str
));
s
=
(
pg_wchar
*
)
palloc
((
slen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
NameStr
(
*
str
),
s
,
slen
);
for
(
ss
=
s
,
slen
=
0
;
*
ss
!=
0
;
ss
++
)
slen
++
;
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
p
=
(
pg_wchar
*
)
palloc
((
plen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
pat
),
p
,
plen
);
for
(
pp
=
p
,
plen
=
0
;
*
pp
!=
0
;
pp
++
)
plen
++
;
#else
s
=
NameStr
(
*
str
);
s
=
NameStr
(
*
str
);
slen
=
strlen
(
s
);
slen
=
strlen
(
s
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
==
LIKE_TRUE
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
==
LIKE_TRUE
);
#ifdef MULTIBYTE
pfree
(
s
);
pfree
(
p
);
#endif
PG_RETURN_BOOL
(
result
);
PG_RETURN_BOOL
(
result
);
}
}
...
@@ -78,35 +61,16 @@ namenlike(PG_FUNCTION_ARGS)
...
@@ -78,35 +61,16 @@ namenlike(PG_FUNCTION_ARGS)
bool
result
;
bool
result
;
Name
str
=
PG_GETARG_NAME
(
0
);
Name
str
=
PG_GETARG_NAME
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
#ifdef MULTIBYTE
pg_wchar
*
ss
,
*
pp
;
slen
=
strlen
(
NameStr
(
*
str
));
s
=
(
pg_wchar
*
)
palloc
((
slen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
NameStr
(
*
str
),
s
,
slen
);
for
(
ss
=
s
,
slen
=
0
;
*
ss
!=
0
;
ss
++
)
slen
++
;
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
p
=
(
pg_wchar
*
)
palloc
((
plen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
pat
),
p
,
plen
);
for
(
pp
=
p
,
plen
=
0
;
*
pp
!=
0
;
pp
++
)
plen
++
;
#else
s
=
NameStr
(
*
str
);
s
=
NameStr
(
*
str
);
slen
=
strlen
(
s
);
slen
=
strlen
(
s
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
!=
LIKE_TRUE
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
!=
LIKE_TRUE
);
#ifdef MULTIBYTE
pfree
(
s
);
pfree
(
p
);
#endif
PG_RETURN_BOOL
(
result
);
PG_RETURN_BOOL
(
result
);
}
}
...
@@ -117,38 +81,18 @@ namelike_escape(PG_FUNCTION_ARGS)
...
@@ -117,38 +81,18 @@ namelike_escape(PG_FUNCTION_ARGS)
Name
str
=
PG_GETARG_NAME
(
0
);
Name
str
=
PG_GETARG_NAME
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
char
*
e
;
char
*
e
;
#ifdef MULTIBYTE
pg_wchar
*
ss
,
*
pp
;
slen
=
strlen
(
NameStr
(
*
str
));
s
=
(
pg_wchar
*
)
palloc
((
slen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
NameStr
(
*
str
),
s
,
slen
);
for
(
ss
=
s
,
slen
=
0
;
*
ss
!=
0
;
ss
++
)
slen
++
;
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
p
=
(
pg_wchar
*
)
palloc
((
plen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
pat
),
p
,
plen
);
for
(
pp
=
p
,
plen
=
0
;
*
pp
!=
0
;
pp
++
)
plen
++
;
#else
s
=
NameStr
(
*
str
);
s
=
NameStr
(
*
str
);
slen
=
strlen
(
s
);
slen
=
strlen
(
s
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
e
)
==
LIKE_TRUE
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
e
)
==
LIKE_TRUE
);
#ifdef MULTIBYTE
pfree
(
s
);
pfree
(
p
);
#endif
PG_RETURN_BOOL
(
result
);
PG_RETURN_BOOL
(
result
);
}
}
...
@@ -159,38 +103,18 @@ namenlike_escape(PG_FUNCTION_ARGS)
...
@@ -159,38 +103,18 @@ namenlike_escape(PG_FUNCTION_ARGS)
Name
str
=
PG_GETARG_NAME
(
0
);
Name
str
=
PG_GETARG_NAME
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
char
*
e
;
char
*
e
;
#ifdef MULTIBYTE
pg_wchar
*
ss
,
*
pp
;
slen
=
strlen
(
NameStr
(
*
str
));
s
=
(
pg_wchar
*
)
palloc
((
slen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
NameStr
(
*
str
),
s
,
slen
);
for
(
ss
=
s
,
slen
=
0
;
*
ss
!=
0
;
ss
++
)
slen
++
;
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
p
=
(
pg_wchar
*
)
palloc
((
plen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
pat
),
p
,
plen
);
for
(
pp
=
p
,
plen
=
0
;
*
pp
!=
0
;
pp
++
)
plen
++
;
#else
s
=
NameStr
(
*
str
);
s
=
NameStr
(
*
str
);
slen
=
strlen
(
s
);
slen
=
strlen
(
s
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
e
)
!=
LIKE_TRUE
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
e
)
!=
LIKE_TRUE
);
#ifdef MULTIBYTE
pfree
(
s
);
pfree
(
p
);
#endif
PG_RETURN_BOOL
(
result
);
PG_RETURN_BOOL
(
result
);
}
}
...
@@ -200,35 +124,16 @@ textlike(PG_FUNCTION_ARGS)
...
@@ -200,35 +124,16 @@ textlike(PG_FUNCTION_ARGS)
bool
result
;
bool
result
;
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
#ifdef MULTIBYTE
pg_wchar
*
ss
,
*
pp
;
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
s
=
(
pg_wchar
*
)
palloc
((
slen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
str
),
s
,
slen
);
for
(
ss
=
s
,
slen
=
0
;
*
ss
!=
0
;
ss
++
)
slen
++
;
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
p
=
(
pg_wchar
*
)
palloc
((
plen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
pat
),
p
,
plen
);
for
(
pp
=
p
,
plen
=
0
;
*
pp
!=
0
;
pp
++
)
plen
++
;
#else
s
=
VARDATA
(
str
);
s
=
VARDATA
(
str
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
NULL
)
==
LIKE_TRUE
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
NULL
)
==
LIKE_TRUE
);
#ifdef MULTIBYTE
pfree
(
s
);
pfree
(
p
);
#endif
PG_RETURN_BOOL
(
result
);
PG_RETURN_BOOL
(
result
);
}
}
...
@@ -238,35 +143,16 @@ textnlike(PG_FUNCTION_ARGS)
...
@@ -238,35 +143,16 @@ textnlike(PG_FUNCTION_ARGS)
bool
result
;
bool
result
;
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
#ifdef MULTIBYTE
pg_wchar
*
ss
,
*
pp
;
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
s
=
(
pg_wchar
*
)
palloc
((
slen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
str
),
s
,
slen
);
for
(
ss
=
s
,
slen
=
0
;
*
ss
!=
0
;
ss
++
)
slen
++
;
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
p
=
(
pg_wchar
*
)
palloc
((
plen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
pat
),
p
,
plen
);
for
(
pp
=
p
,
plen
=
0
;
*
pp
!=
0
;
pp
++
)
plen
++
;
#else
s
=
VARDATA
(
str
);
s
=
VARDATA
(
str
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
!=
LIKE_TRUE
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
!=
LIKE_TRUE
);
#ifdef MULTIBYTE
pfree
(
s
);
pfree
(
p
);
#endif
PG_RETURN_BOOL
(
result
);
PG_RETURN_BOOL
(
result
);
}
}
...
@@ -277,38 +163,18 @@ textlike_escape(PG_FUNCTION_ARGS)
...
@@ -277,38 +163,18 @@ textlike_escape(PG_FUNCTION_ARGS)
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
char
*
e
;
char
*
e
;
#ifdef MULTIBYTE
pg_wchar
*
ss
,
*
pp
;
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
s
=
(
pg_wchar
*
)
palloc
((
slen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
str
),
s
,
slen
);
for
(
ss
=
s
,
slen
=
0
;
*
ss
!=
0
;
ss
++
)
slen
++
;
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
p
=
(
pg_wchar
*
)
palloc
((
plen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
pat
),
p
,
plen
);
for
(
pp
=
p
,
plen
=
0
;
*
pp
!=
0
;
pp
++
)
plen
++
;
#else
s
=
VARDATA
(
str
);
s
=
VARDATA
(
str
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
e
)
==
LIKE_TRUE
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
e
)
==
LIKE_TRUE
);
#ifdef MULTIBYTE
pfree
(
s
);
pfree
(
p
);
#endif
PG_RETURN_BOOL
(
result
);
PG_RETURN_BOOL
(
result
);
}
}
...
@@ -319,38 +185,18 @@ textnlike_escape(PG_FUNCTION_ARGS)
...
@@ -319,38 +185,18 @@ textnlike_escape(PG_FUNCTION_ARGS)
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
char
*
e
;
char
*
e
;
#ifdef MULTIBYTE
pg_wchar
*
ss
,
*
pp
;
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
s
=
(
pg_wchar
*
)
palloc
((
slen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
str
),
s
,
slen
);
for
(
ss
=
s
,
slen
=
0
;
*
ss
!=
0
;
ss
++
)
slen
++
;
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
p
=
(
pg_wchar
*
)
palloc
((
plen
+
1
)
*
sizeof
(
pg_wchar
));
(
void
)
pg_mb2wchar_with_len
((
unsigned
char
*
)
VARDATA
(
pat
),
p
,
plen
);
for
(
pp
=
p
,
plen
=
0
;
*
pp
!=
0
;
pp
++
)
plen
++
;
#else
s
=
VARDATA
(
str
);
s
=
VARDATA
(
str
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
e
)
!=
LIKE_TRUE
);
result
=
(
MatchText
(
s
,
slen
,
p
,
plen
,
e
)
!=
LIKE_TRUE
);
#ifdef MULTIBYTE
pfree
(
s
);
pfree
(
p
);
#endif
PG_RETURN_BOOL
(
result
);
PG_RETURN_BOOL
(
result
);
}
}
...
@@ -362,21 +208,15 @@ Datum
...
@@ -362,21 +208,15 @@ Datum
inamelike
(
PG_FUNCTION_ARGS
)
inamelike
(
PG_FUNCTION_ARGS
)
{
{
bool
result
;
bool
result
;
#ifndef MULTIBYTE
Name
str
=
PG_GETARG_NAME
(
0
);
Name
str
=
PG_GETARG_NAME
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
#endif
unsigned
char
*
s
,
*
p
;
pg_wchar
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
#ifdef MULTIBYTE
elog
(
ERROR
,
"Case-insensitive multi-byte comparisons are not yet supported"
);
#else
s
=
NameStr
(
*
str
);
s
=
NameStr
(
*
str
);
slen
=
strlen
(
s
);
slen
=
strlen
(
s
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
==
LIKE_TRUE
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
==
LIKE_TRUE
);
...
@@ -387,21 +227,15 @@ Datum
...
@@ -387,21 +227,15 @@ Datum
inamenlike
(
PG_FUNCTION_ARGS
)
inamenlike
(
PG_FUNCTION_ARGS
)
{
{
bool
result
;
bool
result
;
#ifndef MULTIBYTE
Name
str
=
PG_GETARG_NAME
(
0
);
Name
str
=
PG_GETARG_NAME
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
#endif
unsigned
char
*
s
,
*
p
;
pg_wchar
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
#ifdef MULTIBYTE
elog
(
ERROR
,
"Case-insensitive multi-byte comparisons are not yet supported"
);
#else
s
=
NameStr
(
*
str
);
s
=
NameStr
(
*
str
);
slen
=
strlen
(
s
);
slen
=
strlen
(
s
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
!=
LIKE_TRUE
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
!=
LIKE_TRUE
);
...
@@ -412,24 +246,17 @@ Datum
...
@@ -412,24 +246,17 @@ Datum
inamelike_escape
(
PG_FUNCTION_ARGS
)
inamelike_escape
(
PG_FUNCTION_ARGS
)
{
{
bool
result
;
bool
result
;
#ifndef MULTIBYTE
Name
str
=
PG_GETARG_NAME
(
0
);
Name
str
=
PG_GETARG_NAME
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
#endif
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
char
*
e
;
char
*
e
;
#ifdef MULTIBYTE
elog
(
ERROR
,
"Case-insensitive multi-byte comparisons are not yet supported"
);
#else
s
=
NameStr
(
*
str
);
s
=
NameStr
(
*
str
);
slen
=
strlen
(
s
);
slen
=
strlen
(
s
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
e
)
==
LIKE_TRUE
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
e
)
==
LIKE_TRUE
);
...
@@ -441,24 +268,17 @@ Datum
...
@@ -441,24 +268,17 @@ Datum
inamenlike_escape
(
PG_FUNCTION_ARGS
)
inamenlike_escape
(
PG_FUNCTION_ARGS
)
{
{
bool
result
;
bool
result
;
#ifndef MULTIBYTE
Name
str
=
PG_GETARG_NAME
(
0
);
Name
str
=
PG_GETARG_NAME
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
#endif
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
char
*
e
;
char
*
e
;
#ifdef MULTIBYTE
elog
(
ERROR
,
"Case-insensitive multi-byte comparisons are not yet supported"
);
#else
s
=
NameStr
(
*
str
);
s
=
NameStr
(
*
str
);
slen
=
strlen
(
s
);
slen
=
strlen
(
s
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
e
)
!=
LIKE_TRUE
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
e
)
!=
LIKE_TRUE
);
...
@@ -470,21 +290,15 @@ Datum
...
@@ -470,21 +290,15 @@ Datum
itextlike
(
PG_FUNCTION_ARGS
)
itextlike
(
PG_FUNCTION_ARGS
)
{
{
bool
result
;
bool
result
;
#ifndef MULTIBYTE
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
#endif
unsigned
char
*
s
,
*
p
;
pg_wchar
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
#ifdef MULTIBYTE
elog
(
ERROR
,
"Case-insensitive multi-byte comparisons are not yet supported"
);
#else
s
=
VARDATA
(
str
);
s
=
VARDATA
(
str
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
==
LIKE_TRUE
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
==
LIKE_TRUE
);
...
@@ -495,21 +309,15 @@ Datum
...
@@ -495,21 +309,15 @@ Datum
itextnlike
(
PG_FUNCTION_ARGS
)
itextnlike
(
PG_FUNCTION_ARGS
)
{
{
bool
result
;
bool
result
;
#ifndef MULTIBYTE
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
#endif
unsigned
char
*
s
,
*
p
;
pg_wchar
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
#ifdef MULTIBYTE
elog
(
ERROR
,
"Case-insensitive multi-byte comparisons are not yet supported"
);
#else
s
=
VARDATA
(
str
);
s
=
VARDATA
(
str
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
!=
LIKE_TRUE
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
"
\\
"
)
!=
LIKE_TRUE
);
...
@@ -520,24 +328,17 @@ Datum
...
@@ -520,24 +328,17 @@ Datum
itextlike_escape
(
PG_FUNCTION_ARGS
)
itextlike_escape
(
PG_FUNCTION_ARGS
)
{
{
bool
result
;
bool
result
;
#ifndef MULTIBYTE
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
#endif
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
char
*
e
;
char
*
e
;
#ifdef MULTIBYTE
elog
(
ERROR
,
"Case-insensitive multi-byte comparisons are not yet supported"
);
#else
s
=
VARDATA
(
str
);
s
=
VARDATA
(
str
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
e
)
==
LIKE_TRUE
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
e
)
==
LIKE_TRUE
);
...
@@ -549,24 +350,17 @@ Datum
...
@@ -549,24 +350,17 @@ Datum
itextnlike_escape
(
PG_FUNCTION_ARGS
)
itextnlike_escape
(
PG_FUNCTION_ARGS
)
{
{
bool
result
;
bool
result
;
#ifndef MULTIBYTE
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
str
=
PG_GETARG_TEXT_P
(
0
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
text
*
pat
=
PG_GETARG_TEXT_P
(
1
);
#endif
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
text
*
esc
=
PG_GETARG_TEXT_P
(
2
);
pg_w
char
*
s
,
*
p
;
unsigned
char
*
s
,
*
p
;
int
slen
,
plen
;
int
slen
,
plen
;
char
*
e
;
char
*
e
;
#ifdef MULTIBYTE
elog
(
ERROR
,
"Case-insensitive multi-byte comparisons are not yet supported"
);
#else
s
=
VARDATA
(
str
);
s
=
VARDATA
(
str
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
slen
=
(
VARSIZE
(
str
)
-
VARHDRSZ
);
p
=
VARDATA
(
pat
);
p
=
VARDATA
(
pat
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
plen
=
(
VARSIZE
(
pat
)
-
VARHDRSZ
);
#endif
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
e
=
((
VARSIZE
(
esc
)
-
VARHDRSZ
)
>
0
?
VARDATA
(
esc
)
:
NULL
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
e
)
!=
LIKE_TRUE
);
result
=
(
MatchTextLower
(
s
,
slen
,
p
,
plen
,
e
)
!=
LIKE_TRUE
);
...
@@ -619,10 +413,77 @@ itextnlike_escape(PG_FUNCTION_ARGS)
...
@@ -619,10 +413,77 @@ itextnlike_escape(PG_FUNCTION_ARGS)
*--------------------
*--------------------
*/
*/
#ifdef MULTIBYTE
/*--------------------
* Support routine for MatchText. Compares given multibyte streams
* as wide characters. If they match, returns 1 otherwise returns 0.
*--------------------
*/
static
int
wchareq
(
unsigned
char
*
p1
,
unsigned
char
*
p2
)
{
int
l
;
l
=
pg_mblen
(
p1
);
if
(
pg_mblen
(
p2
)
!=
l
)
{
return
(
0
);
}
while
(
l
--
)
{
if
(
*
p1
++
!=
*
p2
++
)
return
(
0
);
}
return
(
1
);
}
/*--------------------
* Support routine for MatchTextLower. Compares given multibyte streams
* as wide characters ignoring case.
* If they match, returns 1 otherwise returns 0.
*--------------------
*/
#define UCHARMAX 0xff
static
int
iwchareq
(
unsigned
char
*
p1
,
unsigned
char
*
p2
)
{
int
c1
,
c2
;
int
l
;
/* short cut. if *p1 and *p2 is lower than UCHARMAX, then
we assume they are ASCII */
if
(
*
p1
<
UCHARMAX
&&
*
p2
<
UCHARMAX
)
return
(
tolower
(
*
p1
)
==
tolower
(
*
p2
));
if
(
*
p1
<
UCHARMAX
)
c1
=
tolower
(
*
p1
);
else
{
l
=
pg_mblen
(
p1
);
(
void
)
pg_mb2wchar_with_len
(
p1
,
(
pg_wchar
*
)
&
c1
,
l
);
c1
=
tolower
(
c1
);
}
if
(
*
p2
<
UCHARMAX
)
c2
=
tolower
(
*
p2
);
else
{
l
=
pg_mblen
(
p2
);
(
void
)
pg_mb2wchar_with_len
(
p2
,
(
pg_wchar
*
)
&
c2
,
l
);
c2
=
tolower
(
c2
);
}
return
(
c1
==
c2
);
}
#endif
#ifdef MULTIBYTE
#define CHAREQ(p1, p2) wchareq(p1, p2)
#define ICHAREQ(p1, p2) iwchareq(p1, p2)
#define NextChar(p, plen) {int __l = pg_mblen(p); (p) +=__l; (plen) -=__l;}
#else
#define CHAREQ(p1, p2) (*(p1) == *(p2))
#define ICHAREQ(p1, p2) (tolower(*(p1)) == tolower(*(p2)))
#define NextChar(p, plen) (p)++, (plen)--
#define NextChar(p, plen) (p)++, (plen)--
#endif
static
int
static
int
MatchText
(
pg_wchar
*
t
,
int
tlen
,
pg_w
char
*
p
,
int
plen
,
char
*
e
)
MatchText
(
unsigned
char
*
t
,
int
tlen
,
unsigned
char
*
p
,
int
plen
,
char
*
e
)
{
{
/* Fast path for match-everything pattern
/* Fast path for match-everything pattern
* Include weird case of escape character as a percent sign or underscore,
* Include weird case of escape character as a percent sign or underscore,
...
@@ -637,10 +498,10 @@ MatchText(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
...
@@ -637,10 +498,10 @@ MatchText(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
/* If an escape character was specified and we find it here in the pattern,
/* If an escape character was specified and we find it here in the pattern,
* then we'd better have an exact match for the next character.
* then we'd better have an exact match for the next character.
*/
*/
if
((
e
!=
NULL
)
&&
(
*
p
==
*
e
))
if
((
e
!=
NULL
)
&&
CHAREQ
(
p
,
e
))
{
{
NextChar
(
p
,
plen
);
NextChar
(
p
,
plen
);
if
((
plen
<=
0
)
||
(
*
t
!=
*
p
))
if
((
plen
<=
0
)
||
!
CHAREQ
(
t
,
p
))
return
LIKE_FALSE
;
return
LIKE_FALSE
;
}
}
else
if
(
*
p
==
'%'
)
else
if
(
*
p
==
'%'
)
...
@@ -664,8 +525,8 @@ MatchText(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
...
@@ -664,8 +525,8 @@ MatchText(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
* recurse unless first pattern char might match this
* recurse unless first pattern char might match this
* text char.
* text char.
*/
*/
if
(
(
*
t
==
*
p
)
||
(
*
p
==
'_'
)
if
(
CHAREQ
(
t
,
p
)
||
(
*
p
==
'_'
)
||
((
e
!=
NULL
)
&&
(
*
p
==
*
e
)))
||
((
e
!=
NULL
)
&&
CHAREQ
(
p
,
e
)))
{
{
int
matched
=
MatchText
(
t
,
tlen
,
p
,
plen
,
e
);
int
matched
=
MatchText
(
t
,
tlen
,
p
,
plen
,
e
);
...
@@ -682,7 +543,7 @@ MatchText(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
...
@@ -682,7 +543,7 @@ MatchText(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
*/
*/
return
LIKE_ABORT
;
return
LIKE_ABORT
;
}
}
else
if
((
*
p
!=
'_'
)
&&
(
*
t
!=
*
p
))
else
if
((
*
p
!=
'_'
)
&&
!
CHAREQ
(
t
,
p
))
{
{
/* Not the single-character wildcard and no explicit match?
/* Not the single-character wildcard and no explicit match?
* Then time to quit...
* Then time to quit...
...
@@ -711,7 +572,7 @@ MatchText(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
...
@@ -711,7 +572,7 @@ MatchText(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
}
/* MatchText() */
}
/* MatchText() */
static
int
static
int
MatchTextLower
(
pg_wchar
*
t
,
int
tlen
,
pg_w
char
*
p
,
int
plen
,
char
*
e
)
MatchTextLower
(
unsigned
char
*
t
,
int
tlen
,
unsigned
char
*
p
,
int
plen
,
char
*
e
)
{
{
/* Fast path for match-everything pattern
/* Fast path for match-everything pattern
* Include weird case of escape character as a percent sign or underscore,
* Include weird case of escape character as a percent sign or underscore,
...
@@ -726,10 +587,10 @@ MatchTextLower(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
...
@@ -726,10 +587,10 @@ MatchTextLower(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
/* If an escape character was specified and we find it here in the pattern,
/* If an escape character was specified and we find it here in the pattern,
* then we'd better have an exact match for the next character.
* then we'd better have an exact match for the next character.
*/
*/
if
((
e
!=
NULL
)
&&
(
tolower
(
*
p
)
==
tolower
(
*
e
)
))
if
((
e
!=
NULL
)
&&
ICHAREQ
(
p
,
e
))
{
{
NextChar
(
p
,
plen
);
NextChar
(
p
,
plen
);
if
((
plen
<=
0
)
||
(
tolower
(
*
t
)
!=
tolower
(
*
p
)
))
if
((
plen
<=
0
)
||
!
ICHAREQ
(
t
,
p
))
return
LIKE_FALSE
;
return
LIKE_FALSE
;
}
}
else
if
(
*
p
==
'%'
)
else
if
(
*
p
==
'%'
)
...
@@ -753,8 +614,8 @@ MatchTextLower(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
...
@@ -753,8 +614,8 @@ MatchTextLower(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
* recurse unless first pattern char might match this
* recurse unless first pattern char might match this
* text char.
* text char.
*/
*/
if
(
(
tolower
(
*
t
)
==
tolower
(
*
p
)
)
||
(
*
p
==
'_'
)
if
(
ICHAREQ
(
t
,
p
)
||
(
*
p
==
'_'
)
||
((
e
!=
NULL
)
&&
(
tolower
(
*
p
)
==
tolower
(
*
e
)
)))
||
((
e
!=
NULL
)
&&
ICHAREQ
(
p
,
e
)))
{
{
int
matched
=
MatchText
(
t
,
tlen
,
p
,
plen
,
e
);
int
matched
=
MatchText
(
t
,
tlen
,
p
,
plen
,
e
);
...
@@ -771,7 +632,7 @@ MatchTextLower(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
...
@@ -771,7 +632,7 @@ MatchTextLower(pg_wchar * t, int tlen, pg_wchar * p, int plen, char *e)
*/
*/
return
LIKE_ABORT
;
return
LIKE_ABORT
;
}
}
else
if
((
*
p
!=
'_'
)
&&
(
tolower
(
*
t
)
!=
tolower
(
*
p
)
))
else
if
((
*
p
!=
'_'
)
&&
!
ICHAREQ
(
t
,
p
))
{
{
return
LIKE_FALSE
;
return
LIKE_FALSE
;
}
}
...
...
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