Redis Zinterstore command
Redis ordered set (sorted set)
Redis Zinterstore command to calculate the intersection of a given one or more of the ordered set in which a given number of key parameters must be specified to numkeys, and the intersection (result set) stored in the destination.
By default, the result set point value is a member of all the member under a given set of values and scores.
grammar
redis Zinterstore basic command syntax is as follows:
redis 127.0.0.1:6379> ZINTERSTORE destination numkeys key [key ...] [WEIGHTS weight [weight ...]] [AGGREGATE SUM|MIN|MAX]
Available versions
> = 2.0.0
return value
Save the result set to the target number of members.
Examples
# 有序集 mid_test redis 127.0.0.1:6379> ZADD mid_test 70 "Li Lei" (integer) 1 redis 127.0.0.1:6379> ZADD mid_test 70 "Han Meimei" (integer) 1 redis 127.0.0.1:6379> ZADD mid_test 99.5 "Tom" (integer) 1 # 另一个有序集 fin_test redis 127.0.0.1:6379> ZADD fin_test 88 "Li Lei" (integer) 1 redis 127.0.0.1:6379> ZADD fin_test 75 "Han Meimei" (integer) 1 redis 127.0.0.1:6379> ZADD fin_test 99.5 "Tom" (integer) 1 # 交集 redis 127.0.0.1:6379> ZINTERSTORE sum_point 2 mid_test fin_test (integer) 3 # 显示有序集内所有成员及其分数值 redis 127.0.0.1:6379> ZRANGE sum_point 0 -1 WITHSCORES 1) "Han Meimei" 2) "145" 3) "Li Lei" 4) "158" 5) "Tom" 6) "199"