mirror of
https://github.com/yasuhirokimura/db18
synced 2026-06-08 18:29:23 +00:00
Yasuhiro KIMURA
816 lines
30 KiB
HTML
816 lines
30 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
|
<!-- NewPage -->
|
|
<html lang="en">
|
|
<head>
|
|
<!-- Generated by javadoc (11.0.7) on Mon Jun 01 06:40:53 PDT 2020 -->
|
|
<title>BtreeStats (Oracle - Berkeley DB Java API)</title>
|
|
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
|
|
<meta name="date" content="2020-06-01">
|
|
<link rel="stylesheet" type="text/css" href="../../../style.css" title="Style">
|
|
<link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.css" title="Style">
|
|
<script type="text/javascript" src="../../../script.js"></script>
|
|
<script type="text/javascript" src="../../../jquery/jszip/dist/jszip.min.js"></script>
|
|
<script type="text/javascript" src="../../../jquery/jszip-utils/dist/jszip-utils.min.js"></script>
|
|
<!--[if IE]>
|
|
<script type="text/javascript" src="../../../jquery/jszip-utils/dist/jszip-utils-ie.min.js"></script>
|
|
<![endif]-->
|
|
<script type="text/javascript" src="../../../jquery/jquery-3.4.1.js"></script>
|
|
<script type="text/javascript" src="../../../jquery/jquery-ui.js"></script>
|
|
</head>
|
|
<body>
|
|
<script type="text/javascript"><!--
|
|
try {
|
|
if (location.href.indexOf('is-external=true') == -1) {
|
|
parent.document.title="BtreeStats (Oracle - Berkeley DB Java API)";
|
|
}
|
|
}
|
|
catch(err) {
|
|
}
|
|
//-->
|
|
var data = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":10,"i11":10,"i12":10,"i13":10,"i14":10,"i15":10,"i16":10,"i17":10,"i18":10,"i19":10,"i20":10,"i21":10,"i22":10,"i23":10};
|
|
var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
|
|
var altColor = "altColor";
|
|
var rowColor = "rowColor";
|
|
var tableTab = "tableTab";
|
|
var activeTableTab = "activeTableTab";
|
|
var pathtoroot = "../../../";
|
|
var useModuleDirectories = true;
|
|
loadScripts(document, 'script');</script>
|
|
<noscript>
|
|
<div>JavaScript is disabled on your browser.</div>
|
|
</noscript>
|
|
<div class="fixedNav">
|
|
<!-- ========= START OF TOP NAVBAR ======= -->
|
|
<div class="topNav"><a name="navbar.top">
|
|
<!-- -->
|
|
</a>
|
|
<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
|
|
<a name="navbar.top.firstrow">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="navList" title="Navigation">
|
|
<li><a href="../../../index.html">Overview</a></li>
|
|
<li><a href="package-summary.html">Package</a></li>
|
|
<li class="navBarCell1Rev">Class</li>
|
|
<li><a href="class-use/BtreeStats.html">Use</a></li>
|
|
<li><a href="package-tree.html">Tree</a></li>
|
|
<li><a href="../../../deprecated-list.html">Deprecated</a></li>
|
|
<li><a href="../../../index-all.html">Index</a></li>
|
|
<li><a href="../../../help-doc.html">Help</a></li>
|
|
</ul>
|
|
<div class="aboutLanguage"><b>Berkeley DB</b><br><font size="-1"> version 18.1.40</font></div>
|
|
</div>
|
|
<div class="subNav">
|
|
<ul class="navList" id="allclasses_navbar_top">
|
|
<li><a href="../../../allclasses.html">All Classes</a></li>
|
|
</ul>
|
|
<ul class="navListSearch">
|
|
<li><label for="search">SEARCH:</label>
|
|
<input type="text" id="search" value="search" disabled="disabled">
|
|
<input type="reset" id="reset" value="reset" disabled="disabled">
|
|
</li>
|
|
</ul>
|
|
<div>
|
|
<script type="text/javascript"><!--
|
|
allClassesLink = document.getElementById("allclasses_navbar_top");
|
|
if(window==top) {
|
|
allClassesLink.style.display = "block";
|
|
}
|
|
else {
|
|
allClassesLink.style.display = "none";
|
|
}
|
|
//-->
|
|
</script>
|
|
<noscript>
|
|
<div>JavaScript is disabled on your browser.</div>
|
|
</noscript>
|
|
</div>
|
|
<div>
|
|
<ul class="subNavList">
|
|
<li>Summary: </li>
|
|
<li>Nested | </li>
|
|
<li>Field | </li>
|
|
<li>Constr | </li>
|
|
<li><a href="#method.summary">Method</a></li>
|
|
</ul>
|
|
<ul class="subNavList">
|
|
<li>Detail: </li>
|
|
<li>Field | </li>
|
|
<li>Constr | </li>
|
|
<li><a href="#method.detail">Method</a></li>
|
|
</ul>
|
|
</div>
|
|
<a name="skip.navbar.top">
|
|
<!-- -->
|
|
</a></div>
|
|
<!-- ========= END OF TOP NAVBAR ========= -->
|
|
</div>
|
|
<div class="navPadding"> </div>
|
|
<script type="text/javascript"><!--
|
|
$('.navPadding').css('padding-top', $('.fixedNav').css("height"));
|
|
//-->
|
|
</script>
|
|
<!-- ======== START OF CLASS DATA ======== -->
|
|
<div class="header">
|
|
<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.sleepycat.db</a></div>
|
|
<h2 title="Class BtreeStats" class="title">Class BtreeStats</h2>
|
|
</div>
|
|
<div class="contentContainer">
|
|
<ul class="inheritance">
|
|
<li>java.lang.Object</li>
|
|
<li>
|
|
<ul class="inheritance">
|
|
<li><a href="DatabaseStats.html" title="class in com.sleepycat.db">com.sleepycat.db.DatabaseStats</a></li>
|
|
<li>
|
|
<ul class="inheritance">
|
|
<li>com.sleepycat.db.BtreeStats</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
<div class="description">
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<hr>
|
|
<pre>public class <span class="typeNameLabel">BtreeStats</span>
|
|
extends <a href="DatabaseStats.html" title="class in com.sleepycat.db">DatabaseStats</a></pre>
|
|
<div class="block">The BtreeStats object is used to return Btree
|
|
or Recno database statistics.</div>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
<div class="summary">
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<!-- ========== METHOD SUMMARY =========== -->
|
|
<ul class="blockList">
|
|
<li class="blockList"><a name="method.summary">
|
|
<!-- -->
|
|
</a>
|
|
<h3>Method Summary</h3>
|
|
<table class="memberSummary" summary="Method Summary table, listing methods, and an explanation">
|
|
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
|
|
<tr>
|
|
<th class="colFirst" scope="col">Modifier and Type</th>
|
|
<th class="colSecond" scope="col">Method</th>
|
|
<th class="colLast" scope="col">Description</th>
|
|
</tr>
|
|
<tr id="i0" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDupPages--">getDupPages</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of database duplicate pages.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i1" class="rowColor">
|
|
<td class="colFirst"><code>long</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDupPagesFree--">getDupPagesFree</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of bytes free in database duplicate pages.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i2" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEmptyPages--">getEmptyPages</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of empty database pages.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i3" class="rowColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getExtFiles--">getExtFiles</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of external files.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i4" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getFree--">getFree</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of pages on the free list.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i5" class="rowColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIntPages--">getIntPages</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of database internal pages.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i6" class="altColor">
|
|
<td class="colFirst"><code>long</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIntPagesFree--">getIntPagesFree</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of bytes free in database internal pages.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i7" class="rowColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLeafPages--">getLeafPages</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of database leaf pages.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i8" class="altColor">
|
|
<td class="colFirst"><code>long</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLeafPagesFree--">getLeafPagesFree</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of bytes free in database leaf pages.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i9" class="rowColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLevels--">getLevels</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of levels in the database.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i10" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMagic--">getMagic</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The magic number that identifies the file as a Btree database.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i11" class="rowColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMetaFlags--">getMetaFlags</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">Reports internal flags.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i12" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMinKey--">getMinKey</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The minimum keys per page.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i13" class="rowColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNumBlobs--">getNumBlobs</a></span>()</code></th>
|
|
<td class="colLast"> </td>
|
|
</tr>
|
|
<tr id="i14" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNumData--">getNumData</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of key/data pairs or records in the database.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i15" class="rowColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNumKeys--">getNumKeys</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of keys or records in the database.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i16" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOverPages--">getOverPages</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of database overflow pages.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i17" class="rowColor">
|
|
<td class="colFirst"><code>long</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOverPagesFree--">getOverPagesFree</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of bytes free in database overflow pages.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i18" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPageCount--">getPageCount</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The number of pages in the database.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i19" class="rowColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getPageSize--">getPageSize</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The underlying database page size, in bytes.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i20" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getReLen--">getReLen</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The length of fixed-length records.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i21" class="rowColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRePad--">getRePad</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The padding byte value for fixed-length records.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i22" class="altColor">
|
|
<td class="colFirst"><code>int</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getVersion--">getVersion</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">The version of the Btree database.</div>
|
|
</td>
|
|
</tr>
|
|
<tr id="i23" class="rowColor">
|
|
<td class="colFirst"><code>java.lang.String</code></td>
|
|
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString--">toString</a></span>()</code></th>
|
|
<td class="colLast">
|
|
<div class="block">For convenience, the BtreeStats class has a toString method
|
|
that lists all the data fields.</div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<ul class="blockList">
|
|
<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object">
|
|
<!-- -->
|
|
</a>
|
|
<h3>Methods inherited from class java.lang.Object</h3>
|
|
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
<div class="details">
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<!-- ============ METHOD DETAIL ========== -->
|
|
<ul class="blockList">
|
|
<li class="blockList"><a name="method.detail">
|
|
<!-- -->
|
|
</a>
|
|
<h3>Method Detail</h3>
|
|
<a name="getMagic--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getMagic</h4>
|
|
<pre class="methodSignature">public int getMagic()</pre>
|
|
<div class="block">The magic number that identifies the file as a Btree database.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the magic number that identifies the file as a Btree database</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getVersion--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getVersion</h4>
|
|
<pre class="methodSignature">public int getVersion()</pre>
|
|
<div class="block">The version of the Btree database.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the version of the Btree database</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getMetaFlags--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getMetaFlags</h4>
|
|
<pre class="methodSignature">public int getMetaFlags()</pre>
|
|
<div class="block">Reports internal flags. For internal use only.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>internal flags</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getNumKeys--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getNumKeys</h4>
|
|
<pre class="methodSignature">public int getNumKeys()</pre>
|
|
<div class="block">The number of keys or records in the database.
|
|
<p>
|
|
For the Btree Access Method, the number of keys in the database. If
|
|
the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call was not configured by the
|
|
<a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method or the database was configured
|
|
to support retrieval by record number, the count will be exact.
|
|
Otherwise, the count will be the last saved value unless it has
|
|
never been calculated, in which case it will be 0.
|
|
<p>
|
|
For the Recno Access Method, the number of records in the database.
|
|
If the database was configured with mutable record numbers the count
|
|
will be exact. Otherwise, if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method, the
|
|
count will be exact but will include deleted records; if the
|
|
<a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call was not configured by the
|
|
<a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method, the count will be exact and
|
|
will not include deleted records.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of keys or records in the database</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getNumData--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getNumData</h4>
|
|
<pre class="methodSignature">public int getNumData()</pre>
|
|
<div class="block">The number of key/data pairs or records in the database.
|
|
<p>
|
|
For the Btree Access Method, the number of key/data pairs in the
|
|
database. If the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call was not
|
|
configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method, the count
|
|
will be exact. Otherwise, the count will be the last saved value
|
|
unless it has never been calculated, in which case it will be 0.
|
|
<p>
|
|
For the Recno Access Method, the number of records in the database.
|
|
If the database was configured with mutable record numbers, the
|
|
count will be exact. Otherwise, if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a>
|
|
call was configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method, the
|
|
count will be exact but will include deleted records; if the
|
|
<a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call was not configured by the
|
|
<a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method, the count will be exact and
|
|
will not include deleted records.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of key/data pairs or records in the database</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getPageCount--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getPageCount</h4>
|
|
<pre class="methodSignature">public int getPageCount()</pre>
|
|
<div class="block">The number of pages in the database.
|
|
<p>
|
|
Returned if <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast(boolean)</code></a> was configured.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of pages in the database</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getPageSize--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getPageSize</h4>
|
|
<pre class="methodSignature">public int getPageSize()</pre>
|
|
<div class="block">The underlying database page size, in bytes.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the underlying database page size, in bytes</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getMinKey--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getMinKey</h4>
|
|
<pre class="methodSignature">public int getMinKey()</pre>
|
|
<div class="block">The minimum keys per page.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the minimum keys per page</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getExtFiles--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getExtFiles</h4>
|
|
<pre class="methodSignature">public int getExtFiles()</pre>
|
|
<div class="block">The number of external files.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of external files</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getNumBlobs--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getNumBlobs</h4>
|
|
<pre class="methodSignature">public int getNumBlobs()</pre>
|
|
</li>
|
|
</ul>
|
|
<a name="getReLen--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getReLen</h4>
|
|
<pre class="methodSignature">public int getReLen()</pre>
|
|
<div class="block">The length of fixed-length records.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the length of fixed-length records</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getRePad--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getRePad</h4>
|
|
<pre class="methodSignature">public int getRePad()</pre>
|
|
<div class="block">The padding byte value for fixed-length records.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the padding byte value for fixed-length records</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getLevels--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getLevels</h4>
|
|
<pre class="methodSignature">public int getLevels()</pre>
|
|
<div class="block">The number of levels in the database.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of levels in the database</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getIntPages--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getIntPages</h4>
|
|
<pre class="methodSignature">public int getIntPages()</pre>
|
|
<div class="block">The number of database internal pages.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of database internal pages</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getLeafPages--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getLeafPages</h4>
|
|
<pre class="methodSignature">public int getLeafPages()</pre>
|
|
<div class="block">The number of database leaf pages.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of database leaf pages</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getDupPages--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getDupPages</h4>
|
|
<pre class="methodSignature">public int getDupPages()</pre>
|
|
<div class="block">The number of database duplicate pages.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of database duplicate pages</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getOverPages--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getOverPages</h4>
|
|
<pre class="methodSignature">public int getOverPages()</pre>
|
|
<div class="block">The number of database overflow pages.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of database overflow pages</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getEmptyPages--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getEmptyPages</h4>
|
|
<pre class="methodSignature">public int getEmptyPages()</pre>
|
|
<div class="block">The number of empty database pages.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of empty database pages</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getFree--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getFree</h4>
|
|
<pre class="methodSignature">public int getFree()</pre>
|
|
<div class="block">The number of pages on the free list.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of pages on the free list</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getIntPagesFree--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getIntPagesFree</h4>
|
|
<pre class="methodSignature">public long getIntPagesFree()</pre>
|
|
<div class="block">The number of bytes free in database internal pages.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of bytes free in database internal pages</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getLeafPagesFree--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getLeafPagesFree</h4>
|
|
<pre class="methodSignature">public long getLeafPagesFree()</pre>
|
|
<div class="block">The number of bytes free in database leaf pages.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of bytes free in database leaf pages</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getDupPagesFree--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getDupPagesFree</h4>
|
|
<pre class="methodSignature">public long getDupPagesFree()</pre>
|
|
<div class="block">The number of bytes free in database duplicate pages.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of bytes free in database duplicate pages</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="getOverPagesFree--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockList">
|
|
<li class="blockList">
|
|
<h4>getOverPagesFree</h4>
|
|
<pre class="methodSignature">public long getOverPagesFree()</pre>
|
|
<div class="block">The number of bytes free in database overflow pages.
|
|
<p>
|
|
The information is only included if the <a href="Database.html#getStats-com.sleepycat.db.Transaction-com.sleepycat.db.StatsConfig-"><code>Database.getStats</code></a> call
|
|
was not configured by the <a href="StatsConfig.html#setFast-boolean-"><code>StatsConfig.setFast</code></a> method.</div>
|
|
<dl>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>the number of bytes free in database overflow pages</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
<a name="toString--">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="blockListLast">
|
|
<li class="blockList">
|
|
<h4>toString</h4>
|
|
<pre class="methodSignature">public java.lang.String toString()</pre>
|
|
<div class="block">For convenience, the BtreeStats class has a toString method
|
|
that lists all the data fields.</div>
|
|
<dl>
|
|
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
|
|
<dd><code>toString</code> in class <code>java.lang.Object</code></dd>
|
|
<dt><span class="returnLabel">Returns:</span></dt>
|
|
<dd>a String that lists all the data fields</dd>
|
|
</dl>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</li>
|
|
</ul>
|
|
</div>
|
|
</div>
|
|
<!-- ========= END OF CLASS DATA ========= -->
|
|
<!-- ======= START OF BOTTOM NAVBAR ====== -->
|
|
<div class="bottomNav"><a name="navbar.bottom">
|
|
<!-- -->
|
|
</a>
|
|
<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
|
|
<a name="navbar.bottom.firstrow">
|
|
<!-- -->
|
|
</a>
|
|
<ul class="navList" title="Navigation">
|
|
<li><a href="../../../index.html">Overview</a></li>
|
|
<li><a href="package-summary.html">Package</a></li>
|
|
<li class="navBarCell1Rev">Class</li>
|
|
<li><a href="class-use/BtreeStats.html">Use</a></li>
|
|
<li><a href="package-tree.html">Tree</a></li>
|
|
<li><a href="../../../deprecated-list.html">Deprecated</a></li>
|
|
<li><a href="../../../index-all.html">Index</a></li>
|
|
<li><a href="../../../help-doc.html">Help</a></li>
|
|
</ul>
|
|
<div class="aboutLanguage"><b>Berkeley DB</b><br><font size="-1"> version 18.1.40</font></div>
|
|
</div>
|
|
<div class="subNav">
|
|
<ul class="navList" id="allclasses_navbar_bottom">
|
|
<li><a href="../../../allclasses.html">All Classes</a></li>
|
|
</ul>
|
|
<div>
|
|
<script type="text/javascript"><!--
|
|
allClassesLink = document.getElementById("allclasses_navbar_bottom");
|
|
if(window==top) {
|
|
allClassesLink.style.display = "block";
|
|
}
|
|
else {
|
|
allClassesLink.style.display = "none";
|
|
}
|
|
//-->
|
|
</script>
|
|
<noscript>
|
|
<div>JavaScript is disabled on your browser.</div>
|
|
</noscript>
|
|
</div>
|
|
<div>
|
|
<ul class="subNavList">
|
|
<li>Summary: </li>
|
|
<li>Nested | </li>
|
|
<li>Field | </li>
|
|
<li>Constr | </li>
|
|
<li><a href="#method.summary">Method</a></li>
|
|
</ul>
|
|
<ul class="subNavList">
|
|
<li>Detail: </li>
|
|
<li>Field | </li>
|
|
<li>Constr | </li>
|
|
<li><a href="#method.detail">Method</a></li>
|
|
</ul>
|
|
</div>
|
|
<a name="skip.navbar.bottom">
|
|
<!-- -->
|
|
</a></div>
|
|
<!-- ======== END OF BOTTOM NAVBAR ======= -->
|
|
<p class="legalCopy"><small><font size=1>Copyright (c) 1996, 2020 Oracle and/or its affiliates. All rights reserved.</font></small></p>
|
|
</body>
|
|
</html>
|