2 <!DOCTYPE HTML PUBLIC
"-//W3C//DTD HTML 4.01//EN">
5 <link type=
"text/css" rel=
"stylesheet" href=
"style.css" />
12 <img style=
"border:none" alt=
"Redis Documentation" src=
"redis.png">
16 <div id=
"pagecontent">
18 <!-- This is a (PRE) block. Make sure it's left aligned or your toc title will be off. -->
19 <b>SaddCommand: Contents
</b><br> <a href=
"#SADD _key_ _member_">SADD _key_ _member_
</a><br> <a href=
"#Return value">Return value
</a><br> <a href=
"#See also">See also
</a>
22 <h1 class=
"wikiname">SaddCommand
</h1>
29 <h1><a name=
"SADD _key_ _member_">SADD _key_ _member_
</a></h1>
30 <i>Time complexity O(
1)
</i><blockquote>Add the specified
<i>member
</i> to the set value stored at
<i>key
</i>. If
<i>member
</i>is already a member of the set no operation is performed. If
<i>key
</i>does not exist a new set with the specified
<i>member
</i> as sole member iscrated. If the key exists but does not hold a set value an error isreturned.
</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 new element was added
33 0 if the new element was already a member of the set
34 -
2 if the key contains a non set value
35 </pre><h2><a name=
"See also">See also
</a></h2>
36 <ul><li> <a href=
"SremCommand.html">SREM
</a></li><li> <a href=
"SismemberCommand.html">SISMEMBER
</a></li><li> <a href=
"ScardCommand.html">SCARD
</a></li><li> <a href=
"SmembersCommand.html">SMEMBERS
</a></li><li> <a href=
"SinterCommand.html">SINTER
</a></li><li> <a href=
"SinterstoreCommand.html">SINTERSTORE
</a></li></ul>