CF.EXISTS

CF.EXISTS

CF.EXISTS key item

Available in:

Redis Stack / Bloom 1.0.0

Time complexity:

O(k), where k is the number of sub-filters

Check if an item exists in a Cuckoo Filter key

Parameters

• key: The name of the filter
• item: The item to check for

Return

Integer reply - where "1" value means the item may exist in the filter, and a "0" value means it does not exist in the filter.

Examples

redis> CF.EXISTS cf item1
(integer) 1

redis> CF.EXISTS cf item_new
(integer) 0