CF.MEXISTS
Syntax
CF.MEXISTS key item [item ...]
- Available in:
- Redis Stack / Bloom 1.0.0
- Time complexity:
- O(k * n), where k is the number of sub-filters and n is the number of items
Determines whether one or more items were added to a cuckoo filter.
This command is similar to CF.EXISTS
, except that more than one item can be checked.
Required arguments
key
is key name for a cuckoo filter.
item...
One or more items to check.
Return value
Returns one of these replies:
- Array reply of Integer reply - where "1" means that, with high probability,
item
was already added to the filter, and "0" means thatkey
does not exist or thatitem
had not added to the filter. See note inCF.DEL
. - [] on error (invalid arguments, wrong key type, etc.)
Examples
redis> CF.INSERT cf ITEMS item1 item2
1) (integer) 1
2) (integer) 1
redis> CF.MEXISTS cf item1 item2 item3
1) (integer) 1
2) (integer) 1
3) (integer) 0