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HEXISTS

Syntax​

HEXISTS key field

Time complexity: O(1)

Returns if field is an existing field in the hash stored at key.

Return​

Integer reply, specifically:

  • 1 if the hash contains field.
  • 0 if the hash does not contain field, or key does not exist.

Examples​

dragonfly> HSET myhash field1 "foo"
(integer) 1
dragonfly> HEXISTS myhash field1
(integer) 1
dragonfly> HEXISTS myhash field2
(integer) 0