EXISTS

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Early Releases: Single-key request only. Requests with multiple keys are not yet supported.

Synopsis

EXISTS key [key …]This command is a predicate to check whether or not the given key exists.

Return Value

Returns the number of existing keys.

Examples

You can do this as shown below.

  1. $ SET yuga1 "Africa"
  1. "OK"
  1. $ SET yuga2 "America"
  1. "OK"
  1. $ EXISTS yuga1
  1. 1
  1. $ EXISTS yuga1 yuga2 not_a_key
  1. 2

See Also

del, get, getrange, hdel, hexists, hget, hset, hincrby, sadd, set