HDEL
Attention
This page documents an earlier version. Go to the latest (v2.0)version.Synopsis
HDEL key field [field ...]
This command removes the given fields
from the hash that is associated with the given key
.
key
does not exist, it is characterized as an empty hash, and 0 is returned for no elements are removed.key
is associated with non-hash data, an error is raised.Return Value
Depends on the configuration parameter emulate_redis_responses
.
emulate_redis_responses
is true
, returns
the number of existing fields in the hash that were removed by this command.
emulate_redis_responses
is false
, returns OK.
Examples
emulate_redis_responses
is true
.
$ HSET yugahash moon "Moon"
1
$ HDEL yugahash moon
1
$ HDEL yugahash moon
0
emulate_redis_responses
is false
.
$ HSET yugahash moon "Moon"
"OK"
$ HDEL yugahash moon
"OK"
$ HDEL yugahash moon
"OK"
See Also
hexists
, hget
, hgetall
, hkeys
, hlen
, hmget
, hmset
, hset
, hincrby
, hstrlen
, hvals