mirror of
http://github.com/valkey-io/valkey
synced 2024-11-22 09:17:20 +00:00
43 lines
1.6 KiB
HTML
43 lines
1.6 KiB
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>ExistsCommand: Contents</b><br> <a href="#EXISTS _key_">EXISTS _key_</a><br> <a href="#Return value">Return value</a>
|
|
</div>
|
|
|
|
<h1 class="wikiname">ExistsCommand</h1>
|
|
|
|
<div class="summary">
|
|
|
|
</div>
|
|
|
|
<div class="narrow">
|
|
#sidebar <a href="GenericCommandsSidebar.html">GenericCommandsSidebar</a><h1><a name="EXISTS _key_">EXISTS _key_</a></h1>
|
|
<i>Time complexity: O(1)</i><blockquote>Test if the specified key exists. The command returns"0" if the key exists, otherwise "1" is returned.Note that even keys set with an empty string as value willreturn "1".</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 key exists.
|
|
0 if the key does not exist.
|
|
</pre>
|
|
|
|
</div>
|
|
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|
|
|