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Diffstat (limited to 'iredis/data/commands/zcount.md')
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diff --git a/iredis/data/commands/zcount.md b/iredis/data/commands/zcount.md new file mode 100644 index 0000000..49e6dd6 --- /dev/null +++ b/iredis/data/commands/zcount.md @@ -0,0 +1,23 @@ +Returns the number of elements in the sorted set at `key` with a score between +`min` and `max`. + +The `min` and `max` arguments have the same semantic as described for +`ZRANGEBYSCORE`. + +Note: the command has a complexity of just O(log(N)) because it uses elements +ranks (see `ZRANK`) to get an idea of the range. Because of this there is no +need to do a work proportional to the size of the range. + +@return + +@integer-reply: the number of elements in the specified score range. + +@examples + +```cli +ZADD myzset 1 "one" +ZADD myzset 2 "two" +ZADD myzset 3 "three" +ZCOUNT myzset -inf +inf +ZCOUNT myzset (1 3 +``` |