]> git.saurik.com Git - redis.git/blob - doc/IncrCommand.html
SUNION, SUNIONSTORE, Initial work on non blocking replication
[redis.git] / doc / IncrCommand.html
1
2 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
3 <html>
4 <head>
5 <link type="text/css" rel="stylesheet" href="style.css" />
6 </head>
7 <body>
8 <div id="page">
9
10 <div id='header'>
11 <a href="index.html">
12 <img style="border:none" alt="Redis Documentation" src="redis.png">
13 </a>
14 </div>
15
16 <div id="pagecontent">
17 <div class="index">
18 <!-- This is a (PRE) block. Make sure it's left aligned or your toc title will be off. -->
19 <b>IncrCommand: Contents</b><br>&nbsp;&nbsp;<a href="#INCR _key_">INCR _key_</a><br>&nbsp;&nbsp;<a href="#INCRBY _key_ _integer_">INCRBY _key_ _integer_</a><br>&nbsp;&nbsp;<a href="#DECR _key_ _integer_">DECR _key_ _integer_</a><br>&nbsp;&nbsp;<a href="#DECRBY _key_ _integer_">DECRBY _key_ _integer_</a><br>&nbsp;&nbsp;&nbsp;&nbsp;<a href="#Return value">Return value</a><br>&nbsp;&nbsp;&nbsp;&nbsp;<a href="#See also">See also</a>
20 </div>
21
22 <h1 class="wikiname">IncrCommand</h1>
23
24 <div class="summary">
25
26 </div>
27
28 <div class="narrow">
29 <h1><a name="INCR _key_">INCR _key_</a></h1>
30 <h1><a name="INCRBY _key_ _integer_">INCRBY _key_ _integer_</a></h1>
31 <h1><a name="DECR _key_ _integer_">DECR _key_ _integer_</a></h1>
32 <h1><a name="DECRBY _key_ _integer_">DECRBY _key_ _integer_</a></h1>
33 <i>Time complexity: O(1)</i><blockquote>Increment or decrement the number stored at <i>key</i> by one. If the key doesnot exist or contains a value of a wrong type, set the key to thevalue of &quot;0&quot; before to perform the increment or decrement operation.</blockquote>
34 <blockquote>INCRBY and DECRBY work just like INCR and DECR but instead toincrement/decrement by 1 the increment/decrement is <i>integer</i>.</blockquote>
35 <h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Integer reply</a>, this commands will reply with the new value of <i>key</i> after the increment or decrement.<h2><a name="See also">See also</a></h2>
36 <ul><li> <a href="GetCommand.html">GET</a></li></ul>
37 </div>
38
39 </div>
40 </div>
41 </body>
42 </html>
43