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体验新版 GitCode,发现更多精彩内容 >>
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0346ab71
编写于
6月 11, 1997
作者:
V
Vadim B. Mikheev
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Lexicographically compare 'char' and 'text'.
上级
dee872de
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
12 addition
and
31 deletion
+12
-31
src/backend/utils/adt/char.c
src/backend/utils/adt/char.c
+1
-8
src/backend/utils/adt/varlena.c
src/backend/utils/adt/varlena.c
+11
-23
未找到文件。
src/backend/utils/adt/char.c
浏览文件 @
0346ab71
...
...
@@ -12,7 +12,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/char.c,v 1.
4 1997/05/17 06:20:34 thomas
Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/char.c,v 1.
5 1997/06/11 05:17:58 vadim
Exp $
*
*-------------------------------------------------------------------------
*/
...
...
@@ -129,17 +129,10 @@ char *char16out(char *s)
bool
chareq
(
int8
arg1
,
int8
arg2
)
{
return
(
arg1
==
arg2
);
}
bool
charne
(
int8
arg1
,
int8
arg2
)
{
return
(
arg1
!=
arg2
);
}
#ifdef UNSIGNED_CHAR_TEXT
bool
charlt
(
int8
arg1
,
int8
arg2
)
{
return
((
uint8
)
arg1
<
(
uint8
)
arg2
);
}
bool
charle
(
int8
arg1
,
int8
arg2
)
{
return
((
uint8
)
arg1
<=
(
uint8
)
arg2
);
}
bool
chargt
(
int8
arg1
,
int8
arg2
)
{
return
((
uint8
)
arg1
>
(
uint8
)
arg2
);
}
bool
charge
(
int8
arg1
,
int8
arg2
)
{
return
((
uint8
)
arg1
>=
(
uint8
)
arg2
);
}
#else
bool
charlt
(
int8
arg1
,
int8
arg2
)
{
return
(
arg1
<
arg2
);
}
bool
charle
(
int8
arg1
,
int8
arg2
)
{
return
(
arg1
<=
arg2
);
}
bool
chargt
(
int8
arg1
,
int8
arg2
)
{
return
(
arg1
>
arg2
);
}
bool
charge
(
int8
arg1
,
int8
arg2
)
{
return
(
arg1
>=
arg2
);
}
#endif
int8
charpl
(
int8
arg1
,
int8
arg2
)
{
return
(
arg1
+
arg2
);
}
int8
charmi
(
int8
arg1
,
int8
arg2
)
{
return
(
arg1
-
arg2
);
}
int8
charmul
(
int8
arg1
,
int8
arg2
)
{
return
(
arg1
*
arg2
);
}
...
...
src/backend/utils/adt/varlena.c
浏览文件 @
0346ab71
...
...
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.1
5 1997/04/25 18:40:39 scrappy
Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.1
6 1997/06/11 05:18:02 vadim
Exp $
*
*-------------------------------------------------------------------------
*/
...
...
@@ -301,10 +301,7 @@ text_lt(struct varlena *arg1, struct varlena *arg2)
int
cval
;
#endif
int
len
;
#ifdef UNSIGNED_CHAR_TEXT
unsigned
#endif
char
*
a1p
,
*
a2p
;
unsigned
char
*
a1p
,
*
a2p
;
if
(
arg1
==
NULL
||
arg2
==
NULL
)
return
((
bool
)
FALSE
);
...
...
@@ -312,11 +309,8 @@ text_lt(struct varlena *arg1, struct varlena *arg2)
len
=
(((
VARSIZE
(
arg1
)
<=
VARSIZE
(
arg2
))
?
VARSIZE
(
arg1
)
:
VARSIZE
(
arg2
))
-
VARHDRSZ
);
#ifdef USE_LOCALE
if
(
!
PointerIsValid
(
a1p
=
PALLOC
(
len
+
1
))
||
!
PointerIsValid
(
a2p
=
PALLOC
(
len
+
1
)))
{
elog
(
WARN
,
"Unable to allocate memory for text comparison"
,
NULL
);
return
(
FALSE
);
};
a1p
=
(
unsigned
char
*
)
palloc
(
len
+
1
);
a2p
=
(
unsigned
char
*
)
palloc
(
len
+
1
);
memcpy
(
a1p
,
VARDATA
(
arg1
),
len
);
*
(
a1p
+
len
)
=
'\0'
;
...
...
@@ -326,8 +320,8 @@ text_lt(struct varlena *arg1, struct varlena *arg2)
cval
=
strcoll
(
a1p
,
a2p
);
result
=
((
cval
<
0
)
||
((
cval
==
0
)
&&
(
VARSIZE
(
arg1
)
<
VARSIZE
(
arg2
))));
PFREE
(
a1p
);
PFREE
(
a2p
);
pfree
(
a1p
);
pfree
(
a2p
);
#else
a1p
=
(
unsigned
char
*
)
VARDATA
(
arg1
);
a2p
=
(
unsigned
char
*
)
VARDATA
(
arg2
);
...
...
@@ -360,10 +354,7 @@ text_le(struct varlena *arg1, struct varlena *arg2)
int
cval
;
#endif
int
len
;
#ifdef UNSIGNED_CHAR_TEXT
unsigned
#endif
char
*
a1p
,
*
a2p
;
unsigned
char
*
a1p
,
*
a2p
;
if
(
arg1
==
NULL
||
arg2
==
NULL
)
return
((
bool
)
0
);
...
...
@@ -371,11 +362,8 @@ text_le(struct varlena *arg1, struct varlena *arg2)
len
=
(((
VARSIZE
(
arg1
)
<=
VARSIZE
(
arg2
))
?
VARSIZE
(
arg1
)
:
VARSIZE
(
arg2
))
-
VARHDRSZ
);
#ifdef USE_LOCALE
if
(
!
PointerIsValid
(
a1p
=
PALLOC
(
len
+
1
))
||
!
PointerIsValid
(
a2p
=
PALLOC
(
len
+
1
)))
{
elog
(
WARN
,
"Unable to allocate memory for text comparison"
,
NULL
);
return
(
FALSE
);
};
a1p
=
(
unsigned
char
*
)
palloc
(
len
+
1
);
a2p
=
(
unsigned
char
*
)
palloc
(
len
+
1
);
memcpy
(
a1p
,
VARDATA
(
arg1
),
len
);
*
(
a1p
+
len
)
=
'\0'
;
...
...
@@ -385,8 +373,8 @@ text_le(struct varlena *arg1, struct varlena *arg2)
cval
=
strcoll
(
a1p
,
a2p
);
result
=
((
cval
<
0
)
||
((
cval
==
0
)
&&
(
VARSIZE
(
arg1
)
<=
VARSIZE
(
arg2
))));
PFREE
(
a1p
);
PFREE
(
a2p
);
pfree
(
a1p
);
pfree
(
a2p
);
#else
a1p
=
(
unsigned
char
*
)
VARDATA
(
arg1
);
a2p
=
(
unsigned
char
*
)
VARDATA
(
arg2
);
...
...
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