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

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