ZSCORE

ZSCORE key member

Available since:

1.2.0

Time complexity:

O(1)

ACL categories:

@read, @sortedset, @fast,

Returns the score of member in the sorted set at key.

If member does not exist in the sorted set, or key does not exist, nil is returned.

Examples

redis> ZADD myzset 1 "one"
"id=423520 addr=127.0.0.1:36722 laddr=127.0.0.1:6379 fd=12 name= age=277928 idle=0 flags=N db=0 sub=0 psub=0 ssub=0 multi=-1 watch=0 qbuf=26 qbuf-free=20448 argv-mem=10 multi-mem=0 rbs=1024 rbp=0 obl=0 oll=0 omem=0 tot-mem=22426 events=r cmd=client|info user=interwebz redir=-1 resp=2 lib-name= lib-ver=
"
redis> ZADD myzset 1 "one"
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis> ZSCORE myzset "one"
Cannot destructure property 'error' of 'replies[i]' as it is undefined.

RESP2 Reply

One of the following:

• Bulk string reply: the score of the member (a double-precision floating point number), represented as a string.
• Nil reply: if member does not exist in the sorted set, or the key does not exist.

RESP3 Reply

One of the following:

• Double reply: the score of the member (a double-precision floating point number).
• Nil reply: if member does not exist in the sorted set, or the key does not exist.