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	19	<b>RenamenxCommand: Contents</b><br>  <a href="#RENAMENX _oldkey_ _newkey_">RENAMENX _oldkey_ _newkey_</a><br>    <a href="#Return value">Return value</a><br>    <a href="#See also">See also</a>
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	22	<h1 class="wikiname">RenamenxCommand</h1>
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	29	<h1><a name="RENAMENX _oldkey_ _newkey_">RENAMENX _oldkey_ _newkey_</a></h1>
	30	<i>Time complexity: O(1)</i><blockquote>Rename <i>oldkey</i> into <i>newkey</i> but fails if the destination key <i>newkey</i> already exists.</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	1 if the key was renamed
	33	0 if the target key already exist
	34	</pre><h2><a name="See also">See also</a></h2>
	35	<ul><li> <a href="RenameCommand.html">RENAME</a> is like RENAMENX but overwrite existing destionation key.</li></ul>
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