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ruanhaishen
redis
Commits
279d7e67
Commit
279d7e67
authored
Jun 11, 2010
by
Pieter Noordhuis
Browse files
use REDIS_TAIL to insert AFTER an entry and REDIS_HEAD to insert BEFORE an entry
parent
0e1684bc
Changes
1
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Inline
Side-by-side
redis.c
View file @
279d7e67
...
...
@@ -5091,7 +5091,7 @@ static robj *listTypeGet(listTypeEntry *entry) {
static
void
listTypeInsert
(
robj
*
subject
,
listTypeEntry
*
old_entry
,
robj
*
new_obj
,
int
where
)
{
listTypeTryConversion
(
subject
,
new_obj
);
if
(
subject
->
encoding
==
REDIS_ENCODING_ZIPLIST
)
{
if (where == REDIS_
HEAD
) {
if
(
where
==
REDIS_
TAIL
)
{
unsigned
char
*
next
=
ziplistNext
(
subject
->
ptr
,
old_entry
->
zi
);
if
(
next
==
NULL
)
{
listTypePush
(
subject
,
new_obj
,
REDIS_TAIL
);
...
...
@@ -5102,10 +5102,10 @@ static void listTypeInsert(robj *subject, listTypeEntry *old_entry, robj *new_ob
subject
->
ptr
=
ziplistInsert
(
subject
->
ptr
,
old_entry
->
zi
,
new_obj
->
ptr
,
sdslen
(
new_obj
->
ptr
));
}
}
else
if
(
subject
->
encoding
==
REDIS_ENCODING_LIST
)
{
if (where == REDIS_
HEAD
) {
listInsertNode(subject->ptr,old_entry->ln,new_obj,
1
);
if
(
where
==
REDIS_
TAIL
)
{
listInsertNode
(
subject
->
ptr
,
old_entry
->
ln
,
new_obj
,
AL_START_TAIL
);
}
else
{
listInsertNode(subject->ptr,old_entry->ln,new_obj,
0
);
listInsertNode
(
subject
->
ptr
,
old_entry
->
ln
,
new_obj
,
AL_START_HEAD
);
}
incrRefCount
(
new_obj
);
}
else
{
...
...
@@ -5218,7 +5218,7 @@ static void pushxGenericCommand(redisClient *c, int where, robj *old_obj, robj *
}
if
(
old_obj
!=
NULL
)
{
if (where == REDIS_
HEAD
) {
if
(
where
==
REDIS_
TAIL
)
{
iter
=
listTypeInitIterator
(
subject
,
0
,
REDIS_TAIL
);
}
else
{
iter
=
listTypeInitIterator
(
subject
,
-
1
,
REDIS_HEAD
);
...
...
@@ -5248,9 +5248,9 @@ static void rpushxCommand(redisClient *c) {
static
void
linsertCommand
(
redisClient
*
c
)
{
if
(
strcasecmp
(
c
->
argv
[
2
]
->
ptr
,
"after"
)
==
0
)
{
pushxGenericCommand(c,REDIS_HEAD,c->argv[3],c->argv[4]);
} else if (strcasecmp(c->argv[2]->ptr,"before") == 0) {
pushxGenericCommand
(
c
,
REDIS_TAIL
,
c
->
argv
[
3
],
c
->
argv
[
4
]);
}
else
if
(
strcasecmp
(
c
->
argv
[
2
]
->
ptr
,
"before"
)
==
0
)
{
pushxGenericCommand
(
c
,
REDIS_HEAD
,
c
->
argv
[
3
],
c
->
argv
[
4
]);
}
else
{
addReply
(
c
,
shared
.
syntaxerr
);
}
...
...
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