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add missing document for commands

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holys 2014-07-08 21:58:27 +08:00
parent 29a7b42bf7
commit 6f7ed10e86
1 changed files with 45 additions and 0 deletions
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doc/commands.md
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@ -53,6 +53,7 @@ Table of Contents
- [RPOP key](#rpop-keuser-content-y)
- [RPUSH key value [value ...]](#rpush-key-value-value-)
- [LCLEAR key](#lclear-key)
- [LMCLEAR key [key...]](#lmclear-key-key)
- [LEXPIRE key seconds](#lexpire-key-seconds)
- [LEXPIREAT key timestamp](#lexpireat-key-timestamp)
- [LTTL key](#lttl-key)
@ -70,6 +71,7 @@ Table of Contents
- [ZREMRANGEBYSCORE key min max](#zremrangebyscore-key-min-max)
- [ZREVRANGE key start stop [WITHSCORES]](#zrevrange-key-start-stop-withscores)
- [ZREVRANGEBYSCORE key max min [WITHSCORES] [LIMIT offset count]](#zrevrangebyscore--key-max-min-withscores-limit-offset-count)
- [ZREVRANK key member](#zrevrank-key-member)
- [ZSCORE key member](#zscore-key-member)
- [ZCLEAR key](#zclear-key)
- [ZMCLEAR key [key ...]](#zmclear-key-key-)
@ -953,6 +955,25 @@ ledis> LLEN a
(integer) 0
```
### LMCLEAR key
Delete multiple keys from list
**Return value**
int64: the number of input keys
**Examples**
```
ledis> rpush a 1
(integer) 1
ledis> rpush b 2
(integer) 1
ledis> lmclear a b
(integer) 2
```
### LEXPIRE key seconds
Set a timeout on key. After the timeout has expired, the key will be deleted.
@ -1410,6 +1431,30 @@ ledis> ZREVRANGEBYSCORE myset +inf -inf WITHSCORES LIMIT 1 2
4) "2"
```
### ZREVRANK key member
Returns the rank of member in the sorted set stored at key, with the scores ordered from high to low. The rank (or index) is 0-based, which means that the member with the highest score has rank 0.
Use ZRANK to get the rank of an element with the scores ordered from low to high.
**Return value**
- If member exists in the sorted set, Integer reply: the rank of member.
- If member does not exist in the sorted set or key does not exist, Bulk string reply: nil.
**Examples**
```
127.0.0.1:6380> zadd myset 1 one
(integer) 1
127.0.0.1:6380> zadd myset 2 two
(integer) 1
127.0.0.1:6380> zrevrank myset one
(integer) 1
127.0.0.1:6380> zrevrank myset three
(nil)
```
### ZSCORE key member
Returns the score of member in the sorted set at key.
If member does not exist in the sorted set, or key does not exist, `nil` is returned.