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:
1
if the hash containsfield
.0
if the hash does not containfield
, orkey
does not exist.