CF.DEL

CF.DEL key item

Available in:

Redis Open Source / Bloom 1.0.0

Time complexity:

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

ACL categories:

@cuckoo, @write, @slow,

Deletes an item once from the filter.

If the item exists only once, it will be removed from the filter. If the item was added multiple times, it will still be present.

Note:

• Deleting an item that are not in the filter may delete a different item, resulting in false negatives.

Required arguments

Complexity

O(n), where n is the number of sub-filters. Both alternative locations are checked on all sub-filters.

Examples

redis> CF.INSERT cf ITEMS item1 item2 item2
1) (integer) 1
2) (integer) 1
3) (integer) 1
redis> CF.DEL cf item1
(integer) 1
redis> CF.DEL cf item1
(integer) 0
redis> CF.DEL cf item2
(integer) 1
redis> CF.DEL cf item2
(integer) 1
redis> CF.DEL cf item2
(integer) 0

Return information