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ruanhaishen
redis
Commits
70b4b320
Commit
70b4b320
authored
Jun 11, 2010
by
Pieter Noordhuis
Browse files
check if the list encoding needs to be changed on LPUSHX, RPUSHX, LINSERT
parent
244b873b
Changes
2
Hide whitespace changes
Inline
Side-by-side
redis.c
View file @
70b4b320
...
...
@@ -4926,7 +4926,7 @@ static void listTypePush(robj *subject, robj *value, int where) {
/* Check if we need to convert the ziplist */
listTypeTryConversion
(
subject
,
value
);
if
(
subject
->
encoding
==
REDIS_ENCODING_ZIPLIST
&&
ziplistLen
(
subject
->
ptr
)
>
server
.
list_max_ziplist_entries
)
ziplistLen
(
subject
->
ptr
)
>
=
server
.
list_max_ziplist_entries
)
listTypeConvert
(
subject
,
REDIS_ENCODING_LIST
);
if
(
subject
->
encoding
==
REDIS_ENCODING_ZIPLIST
)
{
...
...
@@ -5214,6 +5214,7 @@ static void pushxGenericCommand(redisClient *c, robj *refval, robj *val, int whe
robj
*
subject
;
listTypeIterator
*
iter
;
listTypeEntry
entry
;
int
inserted
=
0
;
if
((
subject
=
lookupKeyReadOrReply
(
c
,
c
->
argv
[
1
],
shared
.
czero
))
==
NULL
||
checkType
(
c
,
subject
,
REDIS_LIST
))
return
;
...
...
@@ -5227,20 +5228,36 @@ static void pushxGenericCommand(redisClient *c, robj *refval, robj *val, int whe
* last argument of the multi-bulk LINSERT. */
redisAssert
(
refval
->
encoding
==
REDIS_ENCODING_RAW
);
/* We're not sure if this value can be inserted yet, but we cannot
* convert the list inside the iterator. We don't want to loop over
* the list twice (once to see if the value can be inserted and once
* to do the actual insert), so we assume this value can be inserted
* and convert the ziplist to a regular list if necessary. */
listTypeTryConversion
(
subject
,
val
);
/* Seek refval from head to tail */
iter
=
listTypeInitIterator
(
subject
,
0
,
REDIS_TAIL
);
while
(
listTypeNext
(
iter
,
&
entry
))
{
if
(
listTypeEqual
(
&
entry
,
refval
))
{
listTypeInsert
(
&
entry
,
val
,
where
);
inserted
=
1
;
break
;
}
}
listTypeReleaseIterator
(
iter
);
if
(
inserted
)
{
/* Check if the length exceeds the ziplist length threshold. */
if
(
subject
->
encoding
==
REDIS_ENCODING_ZIPLIST
&&
ziplistLen
(
subject
->
ptr
)
>
server
.
list_max_ziplist_entries
)
listTypeConvert
(
subject
,
REDIS_ENCODING_LIST
);
server
.
dirty
++
;
}
}
else
{
listTypePush
(
subject
,
val
,
where
);
server
.
dirty
++
;
}
server
.
dirty
++
;
addReplyUlong
(
c
,
listTypeLength
(
subject
));
}
...
...
tests/unit/type/list.tcl
View file @
70b4b320
...
...
@@ -52,58 +52,6 @@ start_server {
assert_equal $large_value
[
r lindex mylist2 2
]
}
test
{
LPUSHX, RPUSHX, LPUSHXAFTER, RPUSHXAFTER - ziplist
}
{
r del xlist
assert_equal 0
[
r lpushx xlist a
]
assert_equal 0
[
r rpushx xlist a
]
assert_equal 1
[
r rpush xlist b
]
assert_equal 2
[
r rpush xlist c
]
assert_equal 3
[
r rpushx xlist d
]
assert_equal 4
[
r lpushx xlist a
]
assert_encoding ziplist xlist
assert_equal
{
a b c d
}
[
r lrange xlist 0 10
]
assert_equal 5
[
r linsert xlist before c zz
]
assert_equal
{
a b zz c d
}
[
r lrange xlist 0 10
]
assert_equal 6
[
r linsert xlist after c yy
]
assert_equal
{
a b zz c yy d
}
[
r lrange xlist 0 10
]
assert_equal 7
[
r linsert xlist after d dd
]
assert_equal 7
[
r linsert xlist after bad ddd
]
assert_equal
{
a b zz c yy d dd
}
[
r lrange xlist 0 10
]
assert_equal 8
[
r linsert xlist before a aa
]
assert_equal 8
[
r linsert xlist before bad aaa
]
assert_equal
{
aa a b zz c yy d dd
}
[
r lrange xlist 0 10
]
assert_equal 9
[
r linsert xlist before aa 42
]
assert_equal 42
[
r lrange xlist 0 0
]
}
test
{
LPUSHX, RPUSHX, LPUSHXAFTER, RPUSHXAFTER - regular list
}
{
set large_value
"aaaaaaaaaaaaaaaaa"
r del xlist
assert_equal 0
[
r lpushx xlist a
]
assert_equal 0
[
r rpushx xlist a
]
assert_equal 1
[
r rpush xlist $large_value
]
assert_equal 2
[
r rpush xlist c
]
assert_equal 3
[
r rpushx xlist d
]
assert_equal 4
[
r lpushx xlist a
]
assert_encoding list xlist
assert_equal
{
a aaaaaaaaaaaaaaaaa c d
}
[
r lrange xlist 0 10
]
assert_equal 5
[
r linsert xlist before c zz
]
assert_equal
{
a aaaaaaaaaaaaaaaaa zz c d
}
[
r lrange xlist 0 10
]
assert_equal 6
[
r linsert xlist after c yy
]
assert_equal
{
a aaaaaaaaaaaaaaaaa zz c yy d
}
[
r lrange xlist 0 10
]
assert_equal 7
[
r linsert xlist after d dd
]
assert_equal 7
[
r linsert xlist after bad ddd
]
assert_equal
{
a aaaaaaaaaaaaaaaaa zz c yy d dd
}
[
r lrange xlist 0 10
]
assert_equal 8
[
r linsert xlist before a aa
]
assert_equal 8
[
r linsert xlist before bad aaa
]
assert_equal
{
aa a aaaaaaaaaaaaaaaaa zz c yy d dd
}
[
r lrange xlist 0 10
]
assert_equal 9
[
r linsert xlist before aa 42
]
assert_equal 42
[
r lrange xlist 0 0
]
}
test
{
DEL a list - ziplist
}
{
assert_equal 1
[
r del myziplist2
]
assert_equal 0
[
r exists myziplist2
]
...
...
@@ -130,6 +78,89 @@ start_server {
assert_encoding list $key
}
test
{
LPUSHX, RPUSHX - generic
}
{
r del xlist
assert_equal 0
[
r lpushx xlist a
]
assert_equal 0
[
r llen xlist
]
assert_equal 0
[
r rpushx xlist a
]
assert_equal 0
[
r llen xlist
]
}
foreach type
{
ziplist list
}
{
test
"LPUSHX, RPUSHX -
$type
"
{
create_$type xlist
{
b c
}
assert_equal 3
[
r rpushx xlist d
]
assert_equal 4
[
r lpushx xlist a
]
assert_equal
{
a b c d
}
[
r lrange xlist 0 -1
]
}
test
"LINSERT -
$type
"
{
create_$type xlist
{
a b c d
}
assert_equal 5
[
r linsert xlist before c zz
]
assert_equal
{
a b zz c d
}
[
r lrange xlist 0 10
]
assert_equal 6
[
r linsert xlist after c yy
]
assert_equal
{
a b zz c yy d
}
[
r lrange xlist 0 10
]
assert_equal 7
[
r linsert xlist after d dd
]
assert_equal 7
[
r linsert xlist after bad ddd
]
assert_equal
{
a b zz c yy d dd
}
[
r lrange xlist 0 10
]
assert_equal 8
[
r linsert xlist before a aa
]
assert_equal 8
[
r linsert xlist before bad aaa
]
assert_equal
{
aa a b zz c yy d dd
}
[
r lrange xlist 0 10
]
# check inserting integer encoded value
assert_equal 9
[
r linsert xlist before aa 42
]
assert_equal 42
[
r lrange xlist 0 0
]
}
}
test
{
LPUSHX, RPUSHX convert from ziplist to list
}
{
set large_value
"aaaaaaaaaaaaaaaaa"
# convert when a large value is pushed
create_ziplist xlist a
assert_equal 2
[
r rpushx xlist $large_value
]
assert_encoding list xlist
create_ziplist xlist a
assert_equal 2
[
r lpushx xlist $large_value
]
assert_encoding list xlist
# convert when the length threshold is exceeded
create_ziplist xlist
[
lrepeat 256 a
]
assert_equal 257
[
r rpushx xlist b
]
assert_encoding list xlist
create_ziplist xlist
[
lrepeat 256 a
]
assert_equal 257
[
r lpushx xlist b
]
assert_encoding list xlist
}
test
{
LINSERT convert from ziplist to list
}
{
set large_value
"aaaaaaaaaaaaaaaaa"
# convert when a large value is inserted
create_ziplist xlist a
assert_equal 2
[
r linsert xlist before a $large_value
]
assert_encoding list xlist
create_ziplist xlist a
assert_equal 2
[
r linsert xlist after a $large_value
]
assert_encoding list xlist
# convert when the length threshold is exceeded
create_ziplist xlist
[
lrepeat 256 a
]
assert_equal 257
[
r linsert xlist before a a
]
assert_encoding list xlist
create_ziplist xlist
[
lrepeat 256 a
]
assert_equal 257
[
r linsert xlist after a a
]
assert_encoding list xlist
# don't convert when the value could not be inserted
create_ziplist xlist
[
lrepeat 256 a
]
assert_equal 256
[
r linsert xlist before foo a
]
assert_encoding ziplist xlist
create_ziplist xlist
[
lrepeat 256 a
]
assert_equal 256
[
r linsert xlist after foo a
]
assert_encoding ziplist xlist
}
foreach
{
type num
}
{
ziplist 250 list 500
}
{
proc check_numbered_list_consistency
{
key
}
{
set len
[
r llen $key
]
...
...
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