SADD

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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, returnsthe 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.

1. $ SADD yuga_world "Africa"



1. 1



1. $ SADD yuga_world "America"



1. 1



1. $ SMEMBERS yuga_world



1. 1) "Africa"
2. 2) "America"
  • emulate_redis_responses is false.

1. $ SADD yuga_world "Africa"



1. "OK"



1. $ SADD yuga_world "America"



1. "OK"



1. $ SMEMBERS yuga_world



1. 1) "Africa"
2. 2) "America"

See Also

scard, sismember, smembers, srem