CF.INSERT
Syntax
CF.INSERT key [CAPACITY capacity] [NOCREATE] ITEMS item [item ...]
Time complexity: O(k * n), where k is the number of sub-filters and n is the number of items
ACL categories: @cuckoo_filter, @slow, @write
Adds one or more items to the Cuckoo filter at key, creating it first if it doesn't exist.
Like CF.ADD, duplicate insertions are allowed.
Parameters
| Parameter | Default | Description |
|---|---|---|
key | The name of the filter. | |
CAPACITY | 1024 | Initial capacity to use if the filter is created by this command. Ignored if key already exists. |
NOCREATE | If set, the filter must already exist; otherwise an error is returned instead of creating it. | |
ITEMS | One or more items to add. Required. |
Return
Array reply of Integer replies, one per item, in the same order as the input:
1if the item was successfully added.-1if the filter is full and the item could not be added.
Error reply: if NOCREATE is set and key does not exist, or CAPACITY is 0.
Examples
dragonfly> CF.INSERT cf ITEMS Hello World
1) (integer) 1
2) (integer) 1
dragonfly> CF.INSERT cf CAPACITY 500 ITEMS foo
1) (integer) 1
dragonfly> CF.INSERT cf NOCREATE ITEMS bar
1) (integer) 1
dragonfly> CF.INSERT no_such_key NOCREATE ITEMS bar
(error) ERR no such key