diff options
| -rw-r--r-- | redis/commands/core.py | 13 | ||||
| -rw-r--r-- | tests/test_commands.py | 9 |
2 files changed, 22 insertions, 0 deletions
diff --git a/redis/commands/core.py b/redis/commands/core.py index 383c635..5df9345 100644 --- a/redis/commands/core.py +++ b/redis/commands/core.py @@ -2388,6 +2388,19 @@ class SetCommands: args = list_or_args(keys, args) return self.execute_command("SINTER", *args) + def sintercard(self, numkeys: int, keys: List[str], limit: int = 0) -> int: + """ + Return the cardinality of the intersect of multiple sets specified by ``keys`. + + When LIMIT provided (defaults to 0 and means unlimited), if the intersection + cardinality reaches limit partway through the computation, the algorithm will + exit and yield limit as the cardinality + + For more information check https://redis.io/commands/sintercard + """ + args = [numkeys, *keys, "LIMIT", limit] + return self.execute_command("SINTERCARD", *args) + def sinterstore(self, dest, keys, *args): """ Store the intersection of sets specified by ``keys`` into a new diff --git a/tests/test_commands.py b/tests/test_commands.py index f4d7fa7..a7135c0 100644 --- a/tests/test_commands.py +++ b/tests/test_commands.py @@ -1749,6 +1749,15 @@ class TestRedisCommands: assert r.sinter("a", "b") == {b"2", b"3"} @pytest.mark.onlynoncluster + # @skip_if_server_version_lt("7.0.0") turn on after redis 7 release + def test_sintercard(self, unstable_r): + unstable_r.sadd("a", 1, 2, 3) + unstable_r.sadd("b", 1, 2, 3) + unstable_r.sadd("c", 1, 3, 4) + assert unstable_r.sintercard(3, ["a", "b", "c"]) == 2 + assert unstable_r.sintercard(3, ["a", "b", "c"], limit=1) == 1 + + @pytest.mark.onlynoncluster def test_sinterstore(self, r): r.sadd("a", "1", "2", "3") assert r.sinterstore("c", "a", "b") == 0 |