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ruanhaishen
redis
Commits
4b00bebd
Commit
4b00bebd
authored
Feb 04, 2010
by
antirez
Browse files
APPEND command
parent
ed9e4966
Changes
3
Hide whitespace changes
Inline
Side-by-side
redis-cli.c
View file @
4b00bebd
...
@@ -63,6 +63,7 @@ static struct redisCommand cmdTable[] = {
...
@@ -63,6 +63,7 @@ static struct redisCommand cmdTable[] = {
{
"get"
,
2
,
REDIS_CMD_INLINE
},
{
"get"
,
2
,
REDIS_CMD_INLINE
},
{
"set"
,
3
,
REDIS_CMD_BULK
},
{
"set"
,
3
,
REDIS_CMD_BULK
},
{
"setnx"
,
3
,
REDIS_CMD_BULK
},
{
"setnx"
,
3
,
REDIS_CMD_BULK
},
{
"append"
,
3
,
REDIS_CMD_BULK
},
{
"del"
,
-
2
,
REDIS_CMD_INLINE
},
{
"del"
,
-
2
,
REDIS_CMD_INLINE
},
{
"exists"
,
2
,
REDIS_CMD_INLINE
},
{
"exists"
,
2
,
REDIS_CMD_INLINE
},
{
"incr"
,
2
,
REDIS_CMD_INLINE
},
{
"incr"
,
2
,
REDIS_CMD_INLINE
},
...
...
redis.c
View file @
4b00bebd
...
@@ -650,6 +650,7 @@ static void multiCommand(redisClient *c);
...
@@ -650,6 +650,7 @@ static void multiCommand(redisClient *c);
static
void
execCommand
(
redisClient
*
c
);
static
void
execCommand
(
redisClient
*
c
);
static
void
blpopCommand
(
redisClient
*
c
);
static
void
blpopCommand
(
redisClient
*
c
);
static
void
brpopCommand
(
redisClient
*
c
);
static
void
brpopCommand
(
redisClient
*
c
);
static
void
appendCommand
(
redisClient
*
c
);
/*================================= Globals ================================= */
/*================================= Globals ================================= */
...
@@ -659,6 +660,7 @@ static struct redisCommand cmdTable[] = {
...
@@ -659,6 +660,7 @@ static struct redisCommand cmdTable[] = {
{
"get"
,
getCommand
,
2
,
REDIS_CMD_INLINE
},
{
"get"
,
getCommand
,
2
,
REDIS_CMD_INLINE
},
{
"set"
,
setCommand
,
3
,
REDIS_CMD_BULK
|
REDIS_CMD_DENYOOM
},
{
"set"
,
setCommand
,
3
,
REDIS_CMD_BULK
|
REDIS_CMD_DENYOOM
},
{
"setnx"
,
setnxCommand
,
3
,
REDIS_CMD_BULK
|
REDIS_CMD_DENYOOM
},
{
"setnx"
,
setnxCommand
,
3
,
REDIS_CMD_BULK
|
REDIS_CMD_DENYOOM
},
{
"append"
,
appendCommand
,
3
,
REDIS_CMD_BULK
|
REDIS_CMD_DENYOOM
},
{
"del"
,
delCommand
,
-
2
,
REDIS_CMD_INLINE
},
{
"del"
,
delCommand
,
-
2
,
REDIS_CMD_INLINE
},
{
"exists"
,
existsCommand
,
2
,
REDIS_CMD_INLINE
},
{
"exists"
,
existsCommand
,
2
,
REDIS_CMD_INLINE
},
{
"incr"
,
incrCommand
,
2
,
REDIS_CMD_INLINE
|
REDIS_CMD_DENYOOM
},
{
"incr"
,
incrCommand
,
2
,
REDIS_CMD_INLINE
|
REDIS_CMD_DENYOOM
},
...
@@ -3695,6 +3697,52 @@ static void decrbyCommand(redisClient *c) {
...
@@ -3695,6 +3697,52 @@ static void decrbyCommand(redisClient *c) {
incrDecrCommand
(
c
,
-
incr
);
incrDecrCommand
(
c
,
-
incr
);
}
}
static
void
appendCommand
(
redisClient
*
c
)
{
int
retval
;
size_t
totlen
;
robj
*
o
;
o
=
lookupKeyWrite
(
c
->
db
,
c
->
argv
[
1
]);
if
(
o
==
NULL
)
{
/* Create the key */
retval
=
dictAdd
(
c
->
db
->
dict
,
c
->
argv
[
1
],
c
->
argv
[
2
]);
incrRefCount
(
c
->
argv
[
1
]);
incrRefCount
(
c
->
argv
[
2
]);
totlen
=
stringObjectLen
(
c
->
argv
[
2
]);
}
else
{
dictEntry
*
de
;
de
=
dictFind
(
c
->
db
->
dict
,
c
->
argv
[
1
]);
assert
(
de
!=
NULL
);
o
=
dictGetEntryVal
(
de
);
if
(
o
->
type
!=
REDIS_STRING
)
{
addReply
(
c
,
shared
.
wrongtypeerr
);
return
;
}
/* If the object is specially encoded or shared we have to make
* a copy */
if
(
o
->
refcount
!=
1
||
o
->
encoding
!=
REDIS_ENCODING_RAW
)
{
robj
*
decoded
=
getDecodedObject
(
o
);
o
=
createStringObject
(
decoded
->
ptr
,
sdslen
(
decoded
->
ptr
));
decrRefCount
(
decoded
);
dictReplace
(
c
->
db
->
dict
,
c
->
argv
[
1
],
o
);
}
/* APPEND! */
if
(
c
->
argv
[
2
]
->
encoding
==
REDIS_ENCODING_RAW
)
{
o
->
ptr
=
sdscatlen
(
o
->
ptr
,
c
->
argv
[
2
]
->
ptr
,
sdslen
(
c
->
argv
[
2
]
->
ptr
));
}
else
{
o
->
ptr
=
sdscatprintf
(
o
->
ptr
,
"%ld"
,
(
unsigned
long
)
c
->
argv
[
2
]
->
ptr
);
}
totlen
=
sdslen
(
o
->
ptr
);
}
server
.
dirty
++
;
addReplySds
(
c
,
sdscatprintf
(
sdsempty
(),
":%lu
\r\n
"
,(
unsigned
long
)
totlen
));
}
/* ========================= Type agnostic commands ========================= */
/* ========================= Type agnostic commands ========================= */
static
void
delCommand
(
redisClient
*
c
)
{
static
void
delCommand
(
redisClient
*
c
)
{
...
...
sds.c
View file @
4b00bebd
...
@@ -159,7 +159,7 @@ sds sdscpy(sds s, char *t) {
...
@@ -159,7 +159,7 @@ sds sdscpy(sds s, char *t) {
sds
sdscatprintf
(
sds
s
,
const
char
*
fmt
,
...)
{
sds
sdscatprintf
(
sds
s
,
const
char
*
fmt
,
...)
{
va_list
ap
;
va_list
ap
;
char
*
buf
,
*
t
;
char
*
buf
,
*
t
;
size_t
buflen
=
32
;
size_t
buflen
=
16
;
while
(
1
)
{
while
(
1
)
{
buf
=
zmalloc
(
buflen
);
buf
=
zmalloc
(
buflen
);
...
...
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