Returns the intersect of multiple sorted sets.
ZINTER
numkeys key
[key…] [WEIGHTS
weight
[weight…]] [AGGREGATE
<SUM
|
MIN
|
MAX
>]
[WITHSCORES
]
This command is similar to ZINTERSTORE
, but instead of
storing the resulting sorted set, it is returned to the client.
For a description of the WEIGHTS
and
AGGREGATE
options, see ZUNIONSTORE
.
O(NK)+O(Mlog(M)) worst case with N being the smallest input sorted set, K being the number of input sorted sets and M being the number of elements in the resulting sorted set.
@read @slow @sortedset
127.0.0.1:6379> ZADD zset1 1 "one"
(integer) 1
127.0.0.1:6379> ZADD zset1 2 "two"
(integer) 1
127.0.0.1:6379> ZADD zset2 1 "one"
(integer) 1
127.0.0.1:6379> ZADD zset2 2 "two"
(integer) 1
127.0.0.1:6379> ZADD zset2 3 "three"
(integer) 1
127.0.0.1:6379> ZINTER 2 zset1 zset2
1) "one"
2) "two"
127.0.0.1:6379> ZINTER 2 zset1 zset2 WITHSCORES
1) "one"
2) "2"
3) "two"
4) "4"
BZMPOP, BZPOPMAX, BZPOPMIN, ZADD, ZCARD, ZCOUNT, ZDIFF, ZDIFFSTORE, ZINCRBY, ZINTERCARD, ZINTERSTORE, ZLEXCOUNT, ZMPOP, ZMSCORE, ZPOPMAX, ZPOPMIN, ZRANDMEMBER, ZRANGE, ZRANGESTORE, ZRANK, ZREM, ZREMRANGEBYLEX, ZREMRANGEBYRANK, ZREMRANGEBYSCORE, ZREVRANK, ZSCAN, ZSCORE, ZUNION, ZUNIONSTORE.