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Diffstat (limited to 'iredis/data/commands/zlexcount.md')
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diff --git a/iredis/data/commands/zlexcount.md b/iredis/data/commands/zlexcount.md new file mode 100644 index 0000000..9aa7092 --- /dev/null +++ b/iredis/data/commands/zlexcount.md @@ -0,0 +1,23 @@ +When all the elements in a sorted set are inserted with the same score, in order +to force lexicographical ordering, this command returns the number of elements +in the sorted set at `key` with a value between `min` and `max`. + +The `min` and `max` arguments have the same meaning as described for +`ZRANGEBYLEX`. + +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 0 a 0 b 0 c 0 d 0 e +ZADD myzset 0 f 0 g +ZLEXCOUNT myzset - + +ZLEXCOUNT myzset [b [f +``` |