cpp-client-api/classkudu_1_1client_1_1KuduBloomFilter.html - kudu-site - Git at Google

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
 <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
 <meta http-equiv="X-UA-Compatible" content="IE=9"/>
 <meta name="generator" content="Doxygen 1.9.1"/>
 <meta name="viewport" content="width=device-width, initial-scale=1"/>
 <title>Kudu C++ client API: kudu::client::KuduBloomFilter Class Reference</title>
 <link href="tabs.css" rel="stylesheet" type="text/css"/>
 <script type="text/javascript" src="jquery.js"></script>
 <script type="text/javascript" src="dynsections.js"></script>
 <link href="search/search.css" rel="stylesheet" type="text/css"/>
 <script type="text/javascript" src="search/searchdata.js"></script>
 <script type="text/javascript" src="search/search.js"></script>
 <link href="doxygen.css" rel="stylesheet" type="text/css" />
 </head>
 <body>
 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
 <div id="titlearea">
 <table cellspacing="0" cellpadding="0">
  <tbody>
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">Kudu C++ client API
    </div>
   </td>
  </tr>
  </tbody>
 </table>
 </div>
 <!-- end header part -->
 <!-- Generated by Doxygen 1.9.1 -->
 <script type="text/javascript">
 /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
 var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
 /* @license-end */
 </script>
 <script type="text/javascript" src="menudata.js"></script>
 <script type="text/javascript" src="menu.js"></script>
 <script type="text/javascript">
 /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
 $(function() {
   initMenu('',true,false,'search.php','Search');
   $(document).ready(function() { init_search(); });
 });
 /* @license-end */</script>
 <div id="main-nav"></div>
 <!-- window showing the filter options -->
 <div id="MSearchSelectWindow"
      onmouseover="return searchBox.OnSearchSelectShow()"
      onmouseout="return searchBox.OnSearchSelectHide()"
      onkeydown="return searchBox.OnSearchSelectKey(event)">
 </div>

 <!-- iframe showing the search results (closed by default) -->
 <div id="MSearchResultsWindow">
 <iframe src="javascript:void(0)" frameborder="0"
         name="MSearchResults" id="MSearchResults">
 </iframe>
 </div>

 <div id="nav-path" class="navpath">
   <ul>
 <li class="navelem"><b>kudu</b></li><li class="navelem"><b>client</b></li><li class="navelem"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html">KuduBloomFilter</a></li>  </ul>
 </div>
 </div><!-- top -->
 <div class="header">
   <div class="summary">
 <a href="#pub-methods">Public Member Functions</a> &#124;
 <a href="classkudu_1_1client_1_1KuduBloomFilter-members.html">List of all members</a>  </div>
   <div class="headertitle">
 <div class="title">kudu::client::KuduBloomFilter Class Reference</div>  </div>
 </div><!--header-->
 <div class="contents">

 <p>Bloom filter to be used with IN Bloom filter predicate.
  <a href="classkudu_1_1client_1_1KuduBloomFilter.html#details">More...</a></p>

 <p><code>#include &lt;<a class="el" href="scan__predicate_8h_source.html">scan_predicate.h</a>&gt;</code></p>
 <table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
 Public Member Functions</h2></td></tr>
 <tr class="memitem:aff2d94e3e2b1013174d7bad35e93b678"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html#aff2d94e3e2b1013174d7bad35e93b678">Insert</a> (const <a class="el" href="classkudu_1_1Slice.html">Slice</a> &amp;key)</td></tr>
 <tr class="separator:aff2d94e3e2b1013174d7bad35e93b678"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 <div class="textblock"><p>Bloom filter to be used with IN Bloom filter predicate. </p>
 <p>A Bloom filter is a space-efficient probabilistic data-structure used to test set membership with a possibility of false positive matches.</p>
 <p>Create a new <a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html" title="Bloom filter to be used with IN Bloom filter predicate.">KuduBloomFilter</a> using <code><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html" title="Builder class to help build KuduBloomFilter to be used with IN Bloom filter predicate.">KuduBloomFilterBuilder</a></code> class and populate column values that need to be scanned using <code><a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html#aff2d94e3e2b1013174d7bad35e93b678">KuduBloomFilter::Insert()</a></code> function.</p>
 <p>Supply the populated <a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html" title="Bloom filter to be used with IN Bloom filter predicate.">KuduBloomFilter</a> to <code><a class="el" href="classkudu_1_1client_1_1KuduTable.html#a356e8d0d10491d4d8540adefac86be94">KuduTable::NewInBloomFilterPredicate()</a></code> to create an IN Bloom filter predicate. </p>
 </div><h2 class="groupheader">Member Function Documentation</h2>
 <a id="aff2d94e3e2b1013174d7bad35e93b678"></a>
 <h2 class="memtitle"><span class="permalink"><a href="#aff2d94e3e2b1013174d7bad35e93b678">&#9670;&nbsp;</a></span>Insert()</h2>

 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">void kudu::client::KuduBloomFilter::Insert </td>
           <td>(</td>
           <td class="paramtype">const <a class="el" href="classkudu_1_1Slice.html">Slice</a> &amp;&#160;</td>
           <td class="paramname"><em>key</em></td><td>)</td>
           <td></td>
         </tr>
       </table>
 </div><div class="memdoc">
 <p>Insert key to the Bloom filter.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramdir">[in]</td><td class="paramname">key</td><td>Column value as a <code><a class="el" href="classkudu_1_1Slice.html" title="A wrapper around externally allocated data.">Slice</a></code> to insert into the Bloom filter. </td></tr>
   </table>
   </dd>
 </dl>

 </div>
 </div>
 <hr/>The documentation for this class was generated from the following file:<ul>
 <li>include/kudu/client/<a class="el" href="scan__predicate_8h_source.html">scan_predicate.h</a></li>
 </ul>
 </div><!-- contents -->
 <!-- start footer part -->
 <hr class="footer"/>
 <address class="footer">
   <small>Generated for Kudu version 1.15.0 on Mon Jun 21 2021 20:36:36 by Doxygen 1.9.1</small>
   <br>
   <small>Copyright © 2021 The Apache Software Foundation.</small>
 </address>
 </body>
 </html>
	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml">
	<head>
	<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
	<meta http-equiv="X-UA-Compatible" content="IE=9"/>
	<meta name="generator" content="Doxygen 1.9.1"/>
	<meta name="viewport" content="width=device-width, initial-scale=1"/>
	<title>Kudu C++ client API: kudu::client::KuduBloomFilter Class Reference</title>
	<link href="tabs.css" rel="stylesheet" type="text/css"/>
	<script type="text/javascript" src="jquery.js"></script>
	<script type="text/javascript" src="dynsections.js"></script>
	<link href="search/search.css" rel="stylesheet" type="text/css"/>
	<script type="text/javascript" src="search/searchdata.js"></script>
	<script type="text/javascript" src="search/search.js"></script>
	<link href="doxygen.css" rel="stylesheet" type="text/css" />
	</head>
	<body>
	<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
	<div id="titlearea">
	<table cellspacing="0" cellpadding="0">
	<tbody>
	<tr style="height: 56px;">
	<td id="projectalign" style="padding-left: 0.5em;">
	<div id="projectname">Kudu C++ client API
	</div>
	</td>
	</tr>
	</tbody>
	</table>
	</div>
	<!-- end header part -->
	<!-- Generated by Doxygen 1.9.1 -->
	<script type="text/javascript">
	/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
	var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
	/* @license-end */
	</script>
	<script type="text/javascript" src="menudata.js"></script>
	<script type="text/javascript" src="menu.js"></script>
	<script type="text/javascript">
	/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
	$(function() {
	initMenu('',true,false,'search.php','Search');
	$(document).ready(function() { init_search(); });
	});
	/* @license-end */</script>
	<div id="main-nav"></div>
	<!-- window showing the filter options -->
	<div id="MSearchSelectWindow"
	onmouseover="return searchBox.OnSearchSelectShow()"
	onmouseout="return searchBox.OnSearchSelectHide()"
	onkeydown="return searchBox.OnSearchSelectKey(event)">
	</div>

	<!-- iframe showing the search results (closed by default) -->
	<div id="MSearchResultsWindow">
	<iframe src="javascript:void(0)" frameborder="0"
	name="MSearchResults" id="MSearchResults">
	</iframe>
	</div>

	<div id="nav-path" class="navpath">
	<ul>
	<li class="navelem"><b>kudu</b></li><li class="navelem"><b>client</b></li><li class="navelem"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html">KuduBloomFilter</a></li> </ul>
	</div>
	</div><!-- top -->
	<div class="header">
	<div class="summary">
	<a href="#pub-methods">Public Member Functions</a> \|
	<a href="classkudu_1_1client_1_1KuduBloomFilter-members.html">List of all members</a> </div>
	<div class="headertitle">
	<div class="title">kudu::client::KuduBloomFilter Class Reference</div> </div>
	</div><!--header-->
	<div class="contents">

	<p>Bloom filter to be used with IN Bloom filter predicate.
	<a href="classkudu_1_1client_1_1KuduBloomFilter.html#details">More...</a></p>

	<p><code>#include <<a class="el" href="scan__predicate_8h_source.html">scan_predicate.h</a>></code></p>
	<table class="memberdecls">
	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
	Public Member Functions</h2></td></tr>
	<tr class="memitem:aff2d94e3e2b1013174d7bad35e93b678"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html#aff2d94e3e2b1013174d7bad35e93b678">Insert</a> (const <a class="el" href="classkudu_1_1Slice.html">Slice</a> &key)</td></tr>
	<tr class="separator:aff2d94e3e2b1013174d7bad35e93b678"><td class="memSeparator" colspan="2"> </td></tr>
	</table>
	<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
	<div class="textblock"><p>Bloom filter to be used with IN Bloom filter predicate. </p>
	<p>A Bloom filter is a space-efficient probabilistic data-structure used to test set membership with a possibility of false positive matches.</p>
	<p>Create a new <a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html" title="Bloom filter to be used with IN Bloom filter predicate.">KuduBloomFilter</a> using <code><a class="el" href="classkudu_1_1client_1_1KuduBloomFilterBuilder.html" title="Builder class to help build KuduBloomFilter to be used with IN Bloom filter predicate.">KuduBloomFilterBuilder</a></code> class and populate column values that need to be scanned using <code><a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html#aff2d94e3e2b1013174d7bad35e93b678">KuduBloomFilter::Insert()</a></code> function.</p>
	<p>Supply the populated <a class="el" href="classkudu_1_1client_1_1KuduBloomFilter.html" title="Bloom filter to be used with IN Bloom filter predicate.">KuduBloomFilter</a> to <code><a class="el" href="classkudu_1_1client_1_1KuduTable.html#a356e8d0d10491d4d8540adefac86be94">KuduTable::NewInBloomFilterPredicate()</a></code> to create an IN Bloom filter predicate. </p>
	</div><h2 class="groupheader">Member Function Documentation</h2>
	<a id="aff2d94e3e2b1013174d7bad35e93b678"></a>
	<h2 class="memtitle"><span class="permalink"><a href="#aff2d94e3e2b1013174d7bad35e93b678">◆ </a></span>Insert()</h2>

	<div class="memitem">
	<div class="memproto">
	<table class="memname">
	<tr>
	<td class="memname">void kudu::client::KuduBloomFilter::Insert </td>
	<td>(</td>
	<td class="paramtype">const <a class="el" href="classkudu_1_1Slice.html">Slice</a> & </td>
	<td class="paramname"><em>key</em></td><td>)</td>
	<td></td>
	</tr>
	</table>
	</div><div class="memdoc">
	<p>Insert key to the Bloom filter.</p>
	<dl class="params"><dt>Parameters</dt><dd>
	<table class="params">
	<tr><td class="paramdir">[in]</td><td class="paramname">key</td><td>Column value as a <code><a class="el" href="classkudu_1_1Slice.html" title="A wrapper around externally allocated data.">Slice</a></code> to insert into the Bloom filter. </td></tr>
	</table>
	</dd>
	</dl>

	</div>
	</div>
	<hr/>The documentation for this class was generated from the following file:<ul>
	<li>include/kudu/client/<a class="el" href="scan__predicate_8h_source.html">scan_predicate.h</a></li>
	</ul>
	</div><!-- contents -->
	<!-- start footer part -->
	<hr class="footer"/>
	<address class="footer">
	<small>Generated for Kudu version 1.15.0 on Mon Jun 21 2021 20:36:36 by Doxygen 1.9.1</small>
	<br>
	<small>Copyright © 2021 The Apache Software Foundation.</small>
	</address>
	</body>
	</html>