Skip to main content

ZCARD

Syntax

ZCARD key

Module

sortedset

Categories

read slow sortedset

Description

Returns the set cardinality of the sorted set at key. If the key does not exist, 0 is returned, otherwise the cardinality of the sorted set is returned. If the key holds a value that is not a sorted set, this command will return an error.

Examples

Get the cardinality of the sorted set:

db, err := sugardb.NewSugarDB()
if err != nil {
log.Fatal(err)
}
cardinality, err := db.ZCard("key")