TDIGEST.MERGE to-key from-key
Available in: Redis Stack
Time complexity: O(N), where N is the number of centroids
Merges all of the values from 'from' to 'this' sketch.
Parameters:
- to-key: Sketch to copy values to.
- from-key: Sketch to copy values from.
Return
OK on success, error otherwise
Examples
redis> TDIGEST.MERGE to-sketch from-sketch
OK