doc/ZaddCommand.html

   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>ZaddCommand: Contents</b><br>&nbsp;&nbsp;<a href="#ZADD _key_ _score_ _member_ (Redis &gt;">ZADD _key_ _score_ _member_ (Redis &gt;</a><br>&nbsp;&nbsp;&nbsp;&nbsp;<a href="#Return value">Return value</a>
  20                 </div>
  21
  22                 <h1 class="wikiname">ZaddCommand</h1>
  23
  24                 <div class="summary">
  25
  26                 </div>
  27
  28                 <div class="narrow">
  29                     &iuml;&raquo;&iquest;#sidebar <a href="SortedSetCommandsSidebar.html">SortedSetCommandsSidebar</a><h1><a name="ZADD _key_ _score_ _member_ (Redis &gt;">ZADD _key_ _score_ _member_ (Redis &gt;</a></h1> 1.1) =
  30 <i>Time complexity O(log(N)) with N being the number of elements in the sorted set</i><blockquote>Add the specified <i>member</i> having the specifeid <i>score</i> to the sortedset stored at <i>key</i>. If <i>member</i> is already a member of the sorted setthe score is updated, and the element reinserted in the right position toensure sorting. If <i>key</i> does not exist a new sorted set with the specified_member_ as sole member is crated. If the key exists but does not hold asorted set value an error is returned.</blockquote>
  31 <blockquote>The score value can be the string representation of a double precision floatingpoint number.</blockquote>
  32 <blockquote>For an introduction to sorted sets check the <a href="IntroductionToRedisDataTypes.html">Introduction to Redis data types</a> page.</blockquote>
  33 <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">
  34 1 if the new element was added
  35 0 if the element was already a member of the sorted set and the score was updated
  36 </pre>
  37                 </div>
  38
  39             </div>
  40         </div>
  41     </body>
  42 </html>
  43