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ruanhaishen
redis
Commits
97ba4e38
Commit
97ba4e38
authored
Sep 23, 2015
by
antirez
Browse files
Lazyfree: Hash converted to use plain SDS WIP 5.
parent
36be34bb
Changes
3
Hide whitespace changes
Inline
Side-by-side
src/rdb.c
View file @
97ba4e38
...
...
@@ -651,16 +651,17 @@ ssize_t rdbSaveObject(rio *rdb, robj *o) {
nwritten += n;
while((de = dictNext(di)) != NULL) {
robj
*
key
=
dictGetKey
(
de
);
robj
*
val
=
dictGetVal
(
de
);
sds field
= dictGetKey(de);
sds
val
ue
= dictGetVal(de);
if
((
n
=
rdbSaveStringObject
(
rdb
,
key
))
==
-
1
)
return
-
1
;
if ((n = rdbSaveRawString(rdb,(unsigned char*)field,
sdslen(field))) == -1) return -1;
nwritten += n;
if
((
n
=
rdbSaveStringObject
(
rdb
,
val
))
==
-
1
)
return
-
1
;
if ((n = rdbSaveRawString(rdb,(unsigned char*)value,
sdslen(value))) == -1) return -1;
nwritten += n;
}
dictReleaseIterator(di);
} else {
serverPanic("Unknown hash encoding");
}
...
...
@@ -1044,6 +1045,7 @@ robj *rdbLoadObject(int rdbtype, rio *rdb) {
} else if (rdbtype == RDB_TYPE_HASH) {
size_t len;
int ret;
sds field, value;
len = rdbLoadLen(rdb, NULL);
if (len == RDB_LENERR) return NULL;
...
...
@@ -1056,46 +1058,40 @@ robj *rdbLoadObject(int rdbtype, rio *rdb) {
/* Load every field and value into the ziplist */
while (o->encoding == OBJ_ENCODING_ZIPLIST && len > 0) {
robj
*
field
,
*
value
;
len--;
/* Load raw strings */
field
=
rdbLoadStringObject
(
rdb
);
if
(
field
==
NULL
)
return
NULL
;
serverAssert
(
sdsEncodedObject
(
field
));
value
=
rdbLoadStringObject
(
rdb
);
if
(
value
==
NULL
)
return
NULL
;
serverAssert
(
sdsEncodedObject
(
value
));
if ((field = rdbGenericLoadStringObject(rdb,RDB_LOAD_SDS)) == NULL)
return NULL;
if ((value = rdbGenericLoadStringObject(rdb,RDB_LOAD_SDS)) == NULL)
return NULL;
/* Add pair to ziplist */
o
->
ptr
=
ziplistPush
(
o
->
ptr
,
field
->
ptr
,
sdslen
(
field
->
ptr
),
ZIPLIST_TAIL
);
o
->
ptr
=
ziplistPush
(
o
->
ptr
,
value
->
ptr
,
sdslen
(
value
->
ptr
),
ZIPLIST_TAIL
);
o->ptr = ziplistPush(o->ptr, (unsigned char*)field,
sdslen(field), ZIPLIST_TAIL);
o->ptr = ziplistPush(o->ptr, (unsigned char*)value,
sdslen(value), ZIPLIST_TAIL);
/* Convert to hash table if size threshold is exceeded */
if
(
sdslen
(
field
->
ptr
)
>
server
.
hash_max_ziplist_value
||
sdslen
(
value
->
ptr
)
>
server
.
hash_max_ziplist_value
)
if (sdslen(field) > server.hash_max_ziplist_value ||
sdslen(value) > server.hash_max_ziplist_value)
{
decrRefCount
(
field
);
decrRefCount
(
value
);
sdsfree
(field);
sdsfree
(value);
hashTypeConvert(o, OBJ_ENCODING_HT);
break;
}
decrRefCount
(
field
);
decrRefCount
(
value
);
sdsfree
(field);
sdsfree
(value);
}
/* Load remaining fields and values into the hash table */
while (o->encoding == OBJ_ENCODING_HT && len > 0) {
robj
*
field
,
*
value
;
len--;
/* Load encoded strings */
field
=
rdbLoadEncodedStringObject
(
rdb
);
if
(
field
==
NULL
)
return
NULL
;
value
=
rdbLoadEncodedStringObject
(
rdb
);
if
(
value
==
NULL
)
return
NULL
;
field
=
tryObjectEncoding
(
field
);
value
=
tryObjectEncoding
(
value
);
if ((field = rdbGenericLoadStringObject(rdb,RDB_LOAD_SDS)) == NULL)
return NULL;
if ((value = rdbGenericLoadStringObject(rdb,RDB_LOAD_SDS)) == NULL)
return NULL;
/* Add pair to hash table */
ret = dictAdd((dict*)o->ptr, field, value);
...
...
src/t_hash.c
View file @
97ba4e38
...
...
@@ -567,7 +567,7 @@ void hincrbyfloatCommand(client *c) {
if
(
hashTypeGetValue
(
o
,
c
->
argv
[
2
]
->
ptr
,
&
vstr
,
&
vlen
,
&
ll
)
==
C_OK
)
{
if
(
vstr
)
{
if
(
string2d
((
char
*
)
vstr
,
vlen
,
&
value
)
==
0
)
{
addReplyError
(
c
,
"hash value is not a
n integer
"
);
addReplyError
(
c
,
"hash value is not a
float
"
);
return
;
}
}
else
{
...
...
src/util.c
View file @
97ba4e38
...
...
@@ -521,12 +521,12 @@ int ld2string(char *buf, size_t len, long double value, int humanfriendly) {
if
(
l
+
1
>
len
)
return
0
;
/* No room. */
/* Now remove trailing zeroes after the '.' */
if
(
strchr
(
buf
,
'.'
)
!=
NULL
)
{
char
*
p
=
buf
+
l
en
-
1
;
char
*
p
=
buf
+
l
-
1
;
while
(
*
p
==
'0'
)
{
p
--
;
l
en
--
;
l
--
;
}
if
(
*
p
==
'.'
)
l
en
--
;
if
(
*
p
==
'.'
)
l
--
;
}
}
else
{
l
=
snprintf
(
buf
,
len
,
"%.17Lg"
,
value
);
...
...
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