ZDIFFSTORE | SugarDB (original) (raw)

Syntax​

ZDIFFSTORE destination key1 key2

Module​

sortedset

Categories​

slow sortedset write

Description​

Computes the difference between all the sorted sets specifies in the list of keys. Stores the result in destination. If the base set (first key) does not exist, return 0, otherwise, return the cardinality of the diff.

Examples​

Store the difference between 2 sorted sets:

db, err := sugardb.NewSugarDB()
if err != nil {
  log.Fatal(err)
}
cardinality, err := vault.ZDiffStore("destination", "key1", "key2")