[redis.git] / doc / LlenCommand.html


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
<html>
    <head>
        <link type="text/css" rel="stylesheet" href="style.css" />
    </head>
    <body>
        <div id="page">
        
            <div id='header'>
            <a href="index.html">
            <img style="border:none" alt="Redis Documentation" src="redis.png">
            </a>
            </div>
        
            <div id="pagecontent">
                <div class="index">
<!-- This is a (PRE) block.  Make sure it's left aligned or your toc title will be off. -->
<b>LlenCommand: Contents</b><br>&nbsp;&nbsp;<a href="#LLEN _key_">LLEN _key_</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>
                </div>
                
                <h1 class="wikiname">LlenCommand</h1>

                <div class="summary">
                    
                </div>

                <div class="narrow">
                    <h1><a name="LLEN _key_">LLEN _key_</a></h1>
<i>Time complexity: O(1)</i><blockquote>Return the length of the list stored at the specified key. If thekey does not exist zero is returned (the same behaviour as forempty lists). If the value stored at <i>key</i> is not a list an error is returned.</blockquote>
<h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Integer reply</a>, specifically:<br/><br/><pre class="codeblock python" name="code">
The length of the list as an integer `&gt;=` 0 if the operation succeeded
-2 if the specified key does not hold a list value
</pre>Note that library clients should raise an error if -2 is returned by the Redis server instead to pass the negative value back to the caller.<h2><a name="See also">See also</a></h2>
<ul><li> <a href="LlenCommand.html">LLEN</a></li><li> <a href="LrangeCommand.html">LRANGE</a></li><li> <a href="LtrimCommand.html">LTRIM</a></li><li> <a href="LdelCommand.html">LDEL</a></li><li> <a href="LindexCommand.html">LINDEX</a></li><li> <a href="LsetCommand.html">LSET</a></li></ul>
                </div>
        
            </div>
        </div>
    </body>
</html>
Commit	Line	Data
ed9b544e	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>LlenCommand: Contents</b><br>  <a href="#LLEN _key_">LLEN _key_</a><br>    <a href="#Return value">Return value</a><br>    <a href="#See also">See also</a>
	20	</div>
	21
	22	<h1 class="wikiname">LlenCommand</h1>
	23
	24	<div class="summary">
	25
	26	</div>
	27
	28	<div class="narrow">
	29	<h1><a name="LLEN _key_">LLEN _key_</a></h1>
	30	<i>Time complexity: O(1)</i><blockquote>Return the length of the list stored at the specified key. If thekey does not exist zero is returned (the same behaviour as forempty lists). If the value stored at <i>key</i> is not a list an error is returned.</blockquote>
	31	<h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Integer reply</a>, specifically:<br/><br/><pre class="codeblock python" name="code">
	32	The length of the list as an integer `>=` 0 if the operation succeeded
	33	-2 if the specified key does not hold a list value
	34	</pre>Note that library clients should raise an error if -2 is returned by the Redis server instead to pass the negative value back to the caller.<h2><a name="See also">See also</a></h2>
	35	<ul><li> <a href="LlenCommand.html">LLEN</a></li><li> <a href="LrangeCommand.html">LRANGE</a></li><li> <a href="LtrimCommand.html">LTRIM</a></li><li> <a href="LdelCommand.html">LDEL</a></li><li> <a href="LindexCommand.html">LINDEX</a></li><li> <a href="LsetCommand.html">LSET</a></li></ul>
	36	</div>
	37
	38	</div>
	39	</div>
	40	</body>
	41	</html>
	42