Redi Sorder Set structure and command detailed

Zadd key Score1 value1 score2 value2. add element Redis 127.0.0.1:6379> zadd stu Lily Lilei lilei (integer) 3zrem key value1 value2. Action: Removes elements from the collection Zremrangebyscore key min Max effect: Delete elements by socre, remove score redis 127.0.0.1:6379> between [Min,max] Zremrangebyscore Stu 4 (integer) 2redis 127.0.0.1:6379> zrange stu 0-11) "F" zremrangebyrank key start end effect: Delete elements by rank  , delete the position between [Start,end] Redis 127.0.0.1:6379> zremrangebyrank stu 0 1 (integer) 2redis 127.0.0.1:6379> zrange Stu 0-11) "C" 2) "E" 3) "F" 4) "G" Zrank key member query member ranking (up to 0 start) Zrevrank key memeber query member ranking (down 0 start) zrange key start Stop [ Withscores] After sorting the set, return to the position [start,stop] of the element by default is the ascending sequence withscores is the score also print out Zrevrange key start Stop function: Set descending order, take the name [start,  Stop] element zrangebyscore key min Max [withscores] limit offset n function: Set (ascending continuation) after sorting, take score element within [Min,max] and Skip offset, remove n redis  127.0.0.1:6379> zadd Stu 1 a 3 B 4 C 9 E F g (integer) 6redis 127.0.0.1:6379> zrangebyscore stu 3 limit 1 2 WITHSCORES1) "C" 2) "4" 3) "E" 4)"9" Zcard key returns the number of elements zcount key min Max returns the amount of elements in the [Min,max] interval zinterstore destination Numkeys key1 [Key2 ...] [WEIGHTS weight [weight ...] [AGGREGATE sum| min| MAX] asks for the intersection of Key1,key2, the weights of Key1,key2 are weight1,weight2 aggregation methods: Sum |min|max aggregation results, saved in Dest collection note: Weights, aggregate How to understand? A: If there is a intersection, the intersection element has socre,score how to deal with it? Aggregate sum->score Add, min to minimum score, Max score another: You can set the weight of different keys by Weigth, when the intersection, Socre * weights See the following example Redis 127.0.0.1:637 9> Zadd Z1 2 a 3 B 4 C (integer) 3redis 127.0.0.1:6379> zadd Z2 2.5 a 1 B 8 d (integer) 3redis 127.0.0.1:6379> zint  Erstore tmp 2 Z1 z2 (integer) 2redis 127.0.0.1:6379> zrange tmp 0-11) "B" 2) "a" Redis 127.0.0.1:6379> zrange tmp 0-1 WITHSCORES1) "B" 2) "4" 3) "a" 4) "4.5" Redis 127.0.0.1:6379> zinterstore tmp 2 z1 z2 aggregate sum (integer) 2redis 127.0. 0.1:6379> zrange tmp 0-1 withscores1) "B" 2) "4" 3) "a" 4) "4.5" Redis 127.0.0.1:6379> zinterstore tmp 2 Z1 Z2 Aggregat E min (integer) 2redis 127.0.0.1:6379> zrange tmp 0-1 withscores1) "B" 2) "1" 3) "a" 4) "2" ReDis 127.0.0.1:6379> zinterstore tmp 2 z1 Z2 weights 1 2 (integer) 2redis 127.0.0.1:6379> zrange tmp 0-1 withscores1) "B" 2) "5" 3) "a" 4 "7"

07-order set structure and command explanation

Redi Sorder Set structure and command detailed