TOPK.INCRBY
Syntax
TOPK.INCRBY key item increment [item increment ...]
- Available in:
- Redis CE / Bloom 2.0.0
- Time complexity:
- O(n * k * incr) where n is the number of items, k is the depth and incr is the increment
- ACL categories:
-
@topk
,@write
,@slow
,
Increase the score of an item in the data structure by increment. Multiple items' score can be increased at once. If an item enters the Top-K list, the item which is expelled is returned.
Parameters
- key: Name of sketch where item is added.
- item: Item/s to be added.
- increment: increment to current item score. Increment must be greater or equal to 1. Increment is limited to 100,000 to avoid server freeze.
Return
Array reply of Simple string reply - if an element was dropped from the TopK list, Nil reply otherwise..
@example
redis> TOPK.INCRBY topk foo 3 bar 2 42 30
1) (nil)
2) (nil)
3) foo