SADD
Synopsis
SADD key value [value ...]
This command adds one or more given values to the set that is associated with the given key.
If the `key` does not exist, a new set is created, and members are added with the given values.
If the `key` is associated with a value that is not a set, an error is raised.
If a specified `value` already exists in the given set, that `value` is ignored and not counted toward the total of newly added members.
Return value
Depends on the configuration parameter emulate_redis_responses.
If `emulate_redis_responses` is `true`, returns
the number of new members that were added by this command not including the duplicates.
If `emulate_redis_responses` is `false`, returns OK.
Examples
`emulate_redis_responses` is `true`.
$ SADD yuga_world "Africa"
1
$ SADD yuga_world "America"
1
1) "Africa"
2) "America"
`emulate_redis_responses` is `false`.
$ SADD yuga_world "Africa"
"OK"
$ SADD yuga_world "America"
"OK"
1) "Africa"
2) "America"
See also
scard, sismember, smembers, srem