BF.MADD

BF.MADD adds each item to the Bloom filter at key, in order, and reports for each one whether it was new. If the key does not exist, a filter is created first with capacity 100, error rate 0.01 and expansion 2.

Return value

An array with one element per item:

Element	RESP2	RESP3
Item added	Integer 1	Boolean true
Item (probably) already present	Integer 0	Boolean false

If an item cannot be added (a full non-scaling filter, or no memory to grow), the array ends with that error in place of the item’s reply, and the items after it are not tried. For example a non-scaling filter that fills up mid-call replies with 1 for the items that fit and then ERR non scaling filter is full.

WRONGTYPE if the key holds another type (as the whole reply).

Examples

127.0.0.1:6379> BF.MADD tags red green red
1) (integer) 1
2) (integer) 1
3) (integer) 0
127.0.0.1:6379> BF.RESERVE tiny 0.000001 2 NONSCALING
OK
127.0.0.1:6379> BF.MADD tiny a b c d
1) (integer) 1
2) (integer) 1
3) (error) ERR non scaling filter is full

Compatibility

Same as BF.MADD in RedisBloom.

See also

BF.ADD, BF.INSERT, BF.MEXISTS