Iterates over members and scores of a sorted set.
ZSCAN
key cursor
[MATCH
pattern]
[COUNT
count]
[NOSCORES
]
See SCAN
for ZSCAN
documentation.
Array reply: a two-element array.
The first element is a Bulk string reply that represents an unsigned 64-bit number, the cursor.
The second element is an Array reply of member/score
pairs that were scanned. When NOSCORES
option is on, a list
of members from the sorted set.
O(1) for every call. O(N) for a complete iteration, including enough command calls for the cursor to return back to 0. N is the number of elements inside the collection.
@read @slow @sortedset
BZMPOP, BZPOPMAX, BZPOPMIN, ZADD, ZCARD, ZCOUNT, ZDIFF, ZDIFFSTORE, ZINCRBY, ZINTER, ZINTERCARD, ZINTERSTORE, ZLEXCOUNT, ZMPOP, ZMSCORE, ZPOPMAX, ZPOPMIN, ZRANDMEMBER, ZRANGE, ZRANGESTORE, ZRANK, ZREM, ZREMRANGEBYLEX, ZREMRANGEBYRANK, ZREMRANGEBYSCORE, ZREVRANK, ZSCORE, ZUNION, ZUNIONSTORE.