[redis.git] / doc / ZaddCommand.html


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<!-- This is a (PRE) block.  Make sure it's left aligned or your toc title will be off. -->
<b>ZaddCommand: Contents</b><br>&nbsp;&nbsp;<a href="#ZADD _key_ _score_ _member_ (Redis &gt;">ZADD _key_ _score_ _member_ (Redis &gt;</a><br>&nbsp;&nbsp;&nbsp;&nbsp;<a href="#Return value">Return value</a>
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                <h1 class="wikiname">ZaddCommand</h1>

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                    &iuml;&raquo;&iquest;#sidebar <a href="SortedSetCommandsSidebar.html">SortedSetCommandsSidebar</a><h1><a name="ZADD _key_ _score_ _member_ (Redis &gt;">ZADD _key_ _score_ _member_ (Redis &gt;</a></h1> 1.1) =
<i>Time complexity O(log(N)) with N being the number of elements in the sorted set</i><blockquote>Add the specified <i>member</i> having the specifeid <i>score</i> to the sortedset stored at <i>key</i>. If <i>member</i> is already a member of the sorted setthe score is updated, and the element reinserted in the right position toensure sorting. If <i>key</i> does not exist a new sorted set with the specified_member_ as sole member is crated. If the key exists but does not hold asorted set value an error is returned.</blockquote>
<blockquote>The score value can be the string representation of a double precision floatingpoint number.</blockquote>
<blockquote>For an introduction to sorted sets check the <a href="IntroductionToRedisDataTypes.html">Introduction to Redis data types</a> page.</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">
1 if the new element was added
0 if the element was already a member of the sorted set and the score was updated
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	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">
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	10	<div id='header'>
	11	<a href="index.html">
	12	<img style="border:none" alt="Redis Documentation" src="redis.png">
	13	</a>
	14	</div>
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	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>ZaddCommand: Contents</b><br>  <a href="#ZADD _key_ _score_ _member_ (Redis >">ZADD _key_ _score_ _member_ (Redis ></a><br>    <a href="#Return value">Return value</a>
	20	</div>
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	22	<h1 class="wikiname">ZaddCommand</h1>
	23
	24	<div class="summary">
	25
	26	</div>
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	28	<div class="narrow">
	29	ï»¿#sidebar <a href="SortedSetCommandsSidebar.html">SortedSetCommandsSidebar</a><h1><a name="ZADD _key_ _score_ _member_ (Redis >">ZADD _key_ _score_ _member_ (Redis ></a></h1> 1.1) =
	30	<i>Time complexity O(log(N)) with N being the number of elements in the sorted set</i><blockquote>Add the specified <i>member</i> having the specifeid <i>score</i> to the sortedset stored at <i>key</i>. If <i>member</i> is already a member of the sorted setthe score is updated, and the element reinserted in the right position toensure sorting. If <i>key</i> does not exist a new sorted set with the specified_member_ as sole member is crated. If the key exists but does not hold asorted set value an error is returned.</blockquote>
	31	<blockquote>The score value can be the string representation of a double precision floatingpoint number.</blockquote>
	32	<blockquote>For an introduction to sorted sets check the <a href="IntroductionToRedisDataTypes.html">Introduction to Redis data types</a> page.</blockquote>
	33	<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">
	34	1 if the new element was added
	35	0 if the element was already a member of the sorted set and the score was updated
	36	</pre>
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	39	</div>
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