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readme.md: how to ZREVRANGEBYSCORE with LIMIT. fixes #163

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DTrejo
2012-07-25 18:33:49 -07:00
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@@ -119,6 +119,34 @@ Minimal parsing is done on the replies. Commands that return a single line repl
integer replies return JavaScript Numbers, "bulk" replies return node Buffers, and "multi bulk" replies return a integer replies return JavaScript Numbers, "bulk" replies return node Buffers, and "multi bulk" replies return a
JavaScript Array of node Buffers. `HGETALL` returns an Object with Buffers keyed by the hash keys. JavaScript Array of node Buffers. `HGETALL` returns an Object with Buffers keyed by the hash keys.
### Commands with Optional and Keyword arguments
This applies to anything that uses an optional `[WITHSCORES]` or `[LIMIT offset count]` in the [redis.io/commands](http://redis.io/commands) documentation.
Example:
```js
var args = [ 'myzset', 1, 'one', 2, 'two', 3, 'three', 99, 'ninety-nine' ];
client.zadd(args, function (err, response) {
if (err) throw err;
console.log('added '+response+' items.');
// -Infinity and +Infinity also work
var args1 = [ 'myzset', '+inf', '-inf' ];
client.zrevrangebyscore(args1, function (err, response) {
if (err) throw err;
console.log('example1', response);
// write your code here
});
var max = 3, min = 1, offset = 1, count = 2;
var args2 = [ 'myzset', max, min, 'WITHSCORES', 'LIMIT', offset, count ];
client.zrevrangebyscore(args2, function (err, response) {
if (err) throw err;
console.log('example2', response);
// write your code here
});
});
# API # API
## Connection Events ## Connection Events