TOPK.ADD key items [items ...]
- Available in:
- Redis Stack / Bloom 2.0.0
- Time complexity:
- O(n * k) where n is the number of items and k is the depth
Adds an item to the data structure. Multiple items can be added at once. If an item enters the Top-K list, the item which is expelled is returned. This allows dynamic heavy-hitter detection of items being entered or expelled from Top-K list.
- key: Name of sketch where item is added.
- item: Item/s to be added.
Array reply of Simple string reply - if an element was dropped from the TopK list, Null reply otherwise..
redis> TOPK.ADD topk foo bar 42 1) (nil) 2) baz 3) (nil)