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体验新版 GitCode,发现更多精彩内容 >>
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a3f3af86
编写于
4月 16, 2010
作者:
P
Pieter Noordhuis
浏览文件
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电子邮件补丁
差异文件
revert 0c390a to stop using tricks with o->refcount
上级
c44d3b56
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
10 addition
and
14 deletion
+10
-14
redis.c
redis.c
+10
-14
未找到文件。
redis.c
浏览文件 @
a3f3af86
...
...
@@ -6066,10 +6066,8 @@ static void hashTryConversion(robj *subject, robj **argv, int start, int end) {
}
/* Get the value from a hash identified by key. Returns either a string
* object or NULL if the value cannot be found.
* Note: the refcount for objects retrieved from a zipmap is set to 0.
* This is done, so addReply will increment and clean up the object.
* Make sure to clean up the object when it isn't added to a reply. */
* object or NULL if the value cannot be found. The refcount of the object
* is always increased by 1 when the value was found. */
static
robj
*
hashGet
(
robj
*
o
,
robj
*
key
)
{
robj
*
value
=
NULL
;
if
(
o
->
encoding
==
REDIS_ENCODING_ZIPMAP
)
{
...
...
@@ -6078,13 +6076,13 @@ static robj *hashGet(robj *o, robj *key) {
key
=
getDecodedObject
(
key
);
if
(
zipmapGet
(
o
->
ptr
,
key
->
ptr
,
sdslen
(
key
->
ptr
),
&
v
,
&
vlen
))
{
value
=
createStringObject
((
char
*
)
v
,
vlen
);
value
->
refcount
=
0
;
}
decrRefCount
(
key
);
}
else
{
dictEntry
*
de
=
dictFind
(
o
->
ptr
,
key
);
if
(
de
!=
NULL
)
{
value
=
dictGetEntryVal
(
de
);
incrRefCount
(
value
);
}
}
return
value
;
...
...
@@ -6207,8 +6205,7 @@ static int hashNext(hashIterator *hi) {
}
/* Get key or value object at current iteration position.
* See comments at hashGet for a discussion on the refcount for
* keys and values retrieved from zipmaps. */
* This increases the refcount of the field object by 1. */
static
robj
*
hashCurrent
(
hashIterator
*
hi
,
int
what
)
{
robj
*
o
;
if
(
hi
->
encoding
==
REDIS_ENCODING_ZIPMAP
)
{
...
...
@@ -6217,13 +6214,13 @@ static robj *hashCurrent(hashIterator *hi, int what) {
}
else
{
o
=
createStringObject
((
char
*
)
hi
->
zv
,
hi
->
zvlen
);
}
o
->
refcount
=
0
;
}
else
{
if
(
what
&
REDIS_HASH_KEY
)
{
o
=
dictGetEntryKey
(
hi
->
de
);
}
else
{
o
=
dictGetEntryVal
(
hi
->
de
);
}
incrRefCount
(
o
);
}
return
o
;
}
...
...
@@ -6299,12 +6296,7 @@ static void hincrbyCommand(redisClient *c) {
value
=
(
long
)
current
->
ptr
;
else
redisAssert
(
1
!=
1
);
/* clean up object when it was retrieved from a zipmap */
if
(
current
->
refcount
==
0
)
{
current
->
refcount
=
1
;
decrRefCount
(
current
);
}
decrRefCount
(
current
);
}
else
{
value
=
0
;
}
...
...
@@ -6324,6 +6316,7 @@ static void hgetCommand(redisClient *c) {
if
((
value
=
hashGet
(
o
,
c
->
argv
[
2
]))
!=
NULL
)
{
addReplyBulk
(
c
,
value
);
decrRefCount
(
value
);
}
else
{
addReply
(
c
,
shared
.
nullbulk
);
}
...
...
@@ -6344,6 +6337,7 @@ static void hmgetCommand(redisClient *c) {
for
(
i
=
2
;
i
<
c
->
argc
;
i
++
)
{
if
(
o
!=
NULL
&&
(
value
=
hashGet
(
o
,
c
->
argv
[
i
]))
!=
NULL
)
{
addReplyBulk
(
c
,
value
);
decrRefCount
(
value
);
}
else
{
addReply
(
c
,
shared
.
nullbulk
);
}
...
...
@@ -6389,11 +6383,13 @@ static void genericHgetallCommand(redisClient *c, int flags) {
if
(
flags
&
REDIS_HASH_KEY
)
{
obj
=
hashCurrent
(
hi
,
REDIS_HASH_KEY
);
addReplyBulk
(
c
,
obj
);
decrRefCount
(
obj
);
count
++
;
}
if
(
flags
&
REDIS_HASH_VALUE
)
{
obj
=
hashCurrent
(
hi
,
REDIS_HASH_VALUE
);
addReplyBulk
(
c
,
obj
);
decrRefCount
(
obj
);
count
++
;
}
}
...
...
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