ZINTER

Syntax
ZINTER numkeys key [key ...] [WEIGHTS weight [weight ...]]
  [AGGREGATE <SUM | MIN | MAX>] [WITHSCORES]
Available since:
6.2.0
Time complexity:
O(N*K)+O(M*log(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.
ACL categories:
@read, @sortedset, @slow,

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.

Examples

redis> ZADD zset1 1 "one"
1) 1) "get"
   2) (integer) 2
   3) 1) "readonly"
      2) "fast"
   4) (integer) 1
   5) (integer) 1
   6) (integer) 1
   7) 1) "@read"
      2) "@string"
      3) "@fast"
   8) (empty array)
   9) 1) 1) "flags"
         2) 1) "RO"
            2) "access"
         3) "begin_search"
         4) 1) "type"
            2) "index"
            3) "spec"
            4) 1) "index"
               2) (integer) 1
         5) "find_keys"
         6) 1) "type"
            2) "range"
            3) "spec"
            4) 1) "lastkey"
               2) (integer) 0
               3) "keystep"
               4) (integer) 1
               5) "limit"
               6) (integer) 0
   10) (empty array)
2) 1) "set"
   2) (integer) -3
   3) 1) "write"
      2) "denyoom"
   4) (integer) 1
   5) (integer) 1
   6) (integer) 1
   7) 1) "@write"
      2) "@string"
      3) "@slow"
   8) (empty array)
   9) 1) 1) "notes"
         2) "RW and ACCESS due to the optional `GET` argument"
         3) "flags"
         4) 1) "RW"
            2) "access"
            3) "update"
            4) "variable_flags"
         5) "begin_search"
         6) 1) "type"
            2) "index"
            3) "spec"
            4) 1) "index"
               2) (integer) 1
         7) "find_keys"
         8) 1) "type"
            2) "range"
            3) "spec"
            4) 1) "lastkey"
               2) (integer) 0
               3) "keystep"
               4) (integer) 1
               5) "limit"
               6) (integer) 0
   10) (empty array)
3) 1) "eval"
   2) (integer) -3
   3) 1) "noscript"
      2) "stale"
      3) "skip_monitor"
      4) "no_mandatory_keys"
      5) "movablekeys"
   4) (integer) 0
   5) (integer) 0
   6) (integer) 0
   7) 1) "@slow"
      2) "@scripting"
   8) (empty array)
   9) 1) 1) "notes"
         2) "We cannot tell how the keys will be used so we assume the worst, RW and UPDATE"
         3) "flags"
         4) 1) "RW"
            2) "access"
            3) "update"
         5) "begin_search"
         6) 1) "type"
            2) "index"
            3) "spec"
            4) 1) "index"
               2) (integer) 2
         7) "find_keys"
         8) 1) "type"
            2) "keynum"
            3) "spec"
            4) 1) "keynumidx"
               2) (integer) 0
               3) "firstkey"
               4) (integer) 1
               5) "keystep"
               6) (integer) 1
   10) (empty array)
redis> ZADD zset1 2 "two"
1) (nil)
2) 1) "evalsha"
   2) (integer) -3
   3) 1) "noscript"
      2) "stale"
      3) "skip_monitor"
      4) "no_mandatory_keys"
      5) "movablekeys"
   4) (integer) 0
   5) (integer) 0
   6) (integer) 0
   7) 1) "@slow"
      2) "@scripting"
   8) (empty array)
   9) 1) 1) "flags"
         2) 1) "RW"
            2) "access"
            3) "update"
         3) "begin_search"
         4) 1) "type"
            2) "index"
            3) "spec"
            4) 1) "index"
               2) (integer) 2
         5) "find_keys"
         6) 1) "type"
            2) "keynum"
            3) "spec"
            4) 1) "keynumidx"
               2) (integer) 0
               3) "firstkey"
               4) (integer) 1
               5) "keystep"
               6) (integer) 1
   10) (empty array)
3) 1) "config"
   2) (integer) -2
   3) (empty array)
   4) (integer) 0
   5) (integer) 0
   6) (integer) 0
   7) 1) "@slow"
   8) (empty array)
   9) (empty array)
   10) 1) 1) "config|get"
          2) (integer) -3
          3) 1) "admin"
             2) "noscript"
             3) "loading"
             4) "stale"
          4) (integer) 0
          5) (integer) 0
          6) (integer) 0
          7) 1) "@admin"
             2) "@slow"
             3) "@dangerous"
          8) (empty array)
          9) (empty array)
          10) (empty array)
       2) 1) "config|set"
          2) (integer) -4
          3) 1) "admin"
             2) "noscript"
             3) "loading"
             4) "stale"
          4) (integer) 0
          5) (integer) 0
          6) (integer) 0
          7) 1) "@admin"
             2) "@slow"
             3) "@dangerous"
          8) 1) "request_policy:all_nodes"
             2) "response_policy:all_succeeded"
          9) (empty array)
          10) (empty array)
       3) 1) "config|help"
          2) (integer) 2
          3) 1) "loading"
             2) "stale"
          4) (integer) 0
          5) (integer) 0
          6) (integer) 0
          7) 1) "@slow"
          8) (empty array)
          9) (empty array)
          10) (empty array)
       4) 1) "config|resetstat"
          2) (integer) 2
          3) 1) "admin"
             2) "noscript"
             3) "loading"
             4) "stale"
          4) (integer) 0
          5) (integer) 0
          6) (integer) 0
          7) 1) "@admin"
             2) "@slow"
             3) "@dangerous"
          8) 1) "request_policy:all_nodes"
             2) "response_policy:all_succeeded"
          9) (empty array)
          10) (empty array)
       5) 1) "config|rewrite"
          2) (integer) 2
          3) 1) "admin"
             2) "noscript"
             3) "loading"
             4) "stale"
          4) (integer) 0
          5) (integer) 0
          6) (integer) 0
          7) 1) "@admin"
             2) "@slow"
             3) "@dangerous"
          8) 1) "request_policy:all_nodes"
             2) "response_policy:all_succeeded"
          9) (empty array)
          10) (empty array)
4) (nil)
redis> ZADD zset1 1 "one"
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis> ZADD zset1 2 "two"
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis> ZADD zset2 1 "one"
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis> ZADD zset2 2 "two"
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis> ZADD zset2 3 "three"
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis> ZINTER 2 zset1 zset2
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis> ZINTER 2 zset1 zset2 WITHSCORES
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis>

RESP2/RESP3 Reply

  • Array reply: the result of the intersection including, optionally, scores when the WITHSCORES option is used.

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