SINTERSTORE
Stores the members of the set resulting from the intersection of all the given sets.
Syntax
SINTERSTORE destination key [key ...]
Details
- Available since: 1.0.0
- Time complexity: O(N*M) worst-case, where N is the cardinality of the smallest set and M is the number of sets.
- ACL categories:
@write
,@set
,@slow
Example
Assume we have three sets: set1
, set2
, and set3
with the following members:
SADD set1 "a" "b" "c"
SADD set2 "b" "c" "d"
SADD set3 "c" "d" "e"
Now, let's store the intersection of all three sets in a new set called inter_set
:
SINTERSTORE inter_set set1 set2 set3
RESP2/RESP3 Reply
Integer reply: the number of elements in the resulting set.