[redis.git] / doc / HsetnxCommand.html


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

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<h1><a name="HSETNX _key_ _field_ _value_ (Redis &gt;">HSETNX _key_ _field_ _value_ (Redis &gt;</a></h1> 1.3.10)=
<i>Time complexity: O(1)</i><blockquote>Set the specified hash <i>field</i> to the specified <i>value</i>, if <i>field</i> does not exist yet.</blockquote>
<blockquote>If <i>key</i> does not exist, a new key holding a hash is created.</blockquote>
<blockquote>If the field already exists, this operation has no effect and returns 0.Otherwise, the field is set to <i>value</i> and the operation returns 1.</blockquote>
<h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Integer reply</a>
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aed57a31	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>HsetnxCommand: Contents</b><br>  <a href="#HSETNX _key_ _field_ _value_ (Redis >">HSETNX _key_ _field_ _value_ (Redis ></a><br>    <a href="#Return value">Return value</a>
	20	</div>
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	22	<h1 class="wikiname">HsetnxCommand</h1>
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	24	<div class="summary">
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	26	</div>
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	28	<div class="narrow">
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	30	<h1><a name="HSETNX _key_ _field_ _value_ (Redis >">HSETNX _key_ _field_ _value_ (Redis ></a></h1> 1.3.10)=
	31	<i>Time complexity: O(1)</i><blockquote>Set the specified hash <i>field</i> to the specified <i>value</i>, if <i>field</i> does not exist yet.</blockquote>
	32	<blockquote>If <i>key</i> does not exist, a new key holding a hash is created.</blockquote>
	33	<blockquote>If the field already exists, this operation has no effect and returns 0.Otherwise, the field is set to <i>value</i> and the operation returns 1.</blockquote>
	34	<h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Integer reply</a>
	35	</div>
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	37	</div>
	38	</div>
	39	</body>
	40	</html>
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