HEXISTS
Syntax
HEXISTS key field
- Available since:
- 2.0.0
- Time complexity:
- O(1)
- ACL categories:
-
@read,@hash,@fast,
Returns if field is an existing field in the hash stored at key.
Return
Integer reply, specifically:
1if the hash containsfield.0if the hash does not containfield, orkeydoes not exist.