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<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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