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ruanhaishen
redis
Commits
484354ff
Commit
484354ff
authored
Apr 29, 2011
by
antirez
Browse files
CLUSTER GETKEYSINSLOT implemented
parent
1eb713a4
Changes
3
Show whitespace changes
Inline
Side-by-side
src/cluster.c
View file @
484354ff
...
@@ -1209,6 +1209,27 @@ void clusterCommand(redisClient *c) {
...
@@ -1209,6 +1209,27 @@ void clusterCommand(redisClient *c) {
sds
key
=
c
->
argv
[
2
]
->
ptr
;
sds
key
=
c
->
argv
[
2
]
->
ptr
;
addReplyLongLong
(
c
,
keyHashSlot
(
key
,
sdslen
(
key
)));
addReplyLongLong
(
c
,
keyHashSlot
(
key
,
sdslen
(
key
)));
}
else
if
(
!
strcasecmp
(
c
->
argv
[
1
]
->
ptr
,
"getkeysinslot"
)
&&
c
->
argc
==
4
)
{
long
long
maxkeys
,
slot
;
unsigned
int
numkeys
;
int
j
;
robj
**
keys
;
if
(
getLongLongFromObjectOrReply
(
c
,
c
->
argv
[
2
],
&
slot
,
NULL
)
!=
REDIS_OK
)
return
;
if
(
getLongLongFromObjectOrReply
(
c
,
c
->
argv
[
3
],
&
maxkeys
,
NULL
)
!=
REDIS_OK
)
return
;
if
(
slot
<
0
||
slot
>=
REDIS_CLUSTER_SLOTS
||
maxkeys
<
0
||
maxkeys
>
1024
*
1024
)
{
addReplyError
(
c
,
"Invalid slot or number of keys"
);
return
;
}
keys
=
zmalloc
(
sizeof
(
robj
*
)
*
maxkeys
);
numkeys
=
GetKeysInSlot
(
slot
,
keys
,
maxkeys
);
addReplyMultiBulkLen
(
c
,
numkeys
);
for
(
j
=
0
;
j
<
numkeys
;
j
++
)
addReplyBulk
(
c
,
keys
[
j
]);
zfree
(
keys
);
}
else
{
}
else
{
addReplyError
(
c
,
"Wrong CLUSTER subcommand or number of arguments"
);
addReplyError
(
c
,
"Wrong CLUSTER subcommand or number of arguments"
);
}
}
...
...
src/db.c
View file @
484354ff
...
@@ -725,14 +725,18 @@ void SlotToKeyDel(robj *key) {
...
@@ -725,14 +725,18 @@ void SlotToKeyDel(robj *key) {
zslDelete
(
server
.
cluster
.
slots_to_keys
,
hashslot
,
key
);
zslDelete
(
server
.
cluster
.
slots_to_keys
,
hashslot
,
key
);
}
}
robj
*
GetKeyInSlot
(
unsigned
int
hashslot
)
{
unsigned
int
GetKey
s
InSlot
(
unsigned
int
hashslot
,
robj
**
keys
,
unsigned
int
count
)
{
zskiplistNode
*
n
;
zskiplistNode
*
n
;
zrangespec
range
;
zrangespec
range
;
int
j
=
0
;
range
.
min
=
range
.
max
=
hashslot
;
range
.
min
=
range
.
max
=
hashslot
;
range
.
minex
=
range
.
maxex
=
0
;
range
.
minex
=
range
.
maxex
=
0
;
n
=
zslFirstInRange
(
server
.
cluster
.
slots_to_keys
,
range
);
n
=
zslFirstInRange
(
server
.
cluster
.
slots_to_keys
,
range
);
if
(
!
n
)
return
NULL
;
while
(
n
&&
n
->
score
==
hashslot
&&
count
--
)
{
return
n
->
obj
;
keys
[
j
++
]
=
n
->
obj
;
n
=
n
->
level
[
0
].
forward
;
}
return
j
;
}
}
src/redis.h
View file @
484354ff
...
@@ -1065,6 +1065,7 @@ long long emptyDb();
...
@@ -1065,6 +1065,7 @@ long long emptyDb();
int
selectDb
(
redisClient
*
c
,
int
id
);
int
selectDb
(
redisClient
*
c
,
int
id
);
void
signalModifiedKey
(
redisDb
*
db
,
robj
*
key
);
void
signalModifiedKey
(
redisDb
*
db
,
robj
*
key
);
void
signalFlushedDb
(
int
dbid
);
void
signalFlushedDb
(
int
dbid
);
unsigned
int
GetKeysInSlot
(
unsigned
int
hashslot
,
robj
**
keys
,
unsigned
int
count
);
/* API to get key arguments from commands */
/* API to get key arguments from commands */
#define REDIS_GETKEYS_ALL 0
#define REDIS_GETKEYS_ALL 0
...
...
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