CF.MEXISTS
Syntax
CF.MEXISTS key item [item ...]
- Available in:
- Redis Open Source / Bloom 1.0.0
- Time complexity:
- O(k * n), where k is the number of sub-filters and n is the number of items
- ACL categories:
-
@cuckoo,@read,@slow,
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.
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) 0Return information
One of the following:
- Array reply of integer replies, where
1means that, with high probability,itemwas already added to the filter, and0means thatkeydoes not exist or thatitemwas definitely not added to the filter. See note inCF.DEL. - Simple error reply in these cases: in these cases: invalid arguments, wrong key type, or when the key was not found.