1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://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/html; charset=UTF-8" />
<title>DB->get_h_nelem()</title>
<link rel="stylesheet" href="apiReference.css" type="text/css" />
<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
<link rel="start" href="index.html" title="Berkeley DB C API Reference" />
<link rel="up" href="db.html" title="Chapter 2. The DB Handle" />
<link rel="prev" href="dbget_h_ffactor.html" title="DB->get_h_ffactor()" />
<link rel="next" href="dbget_lorder.html" title="DB->get_lorder()" />
</head>
<body>
<div class="navheader">
<table width="100%" summary="Navigation header">
<tr>
<th colspan="3" align="center">DB->get_h_nelem()</th>
</tr>
<tr>
<td width="20%" align="left"><a accesskey="p" href="dbget_h_ffactor.html">Prev</a> </td>
<th width="60%" align="center">Chapter 2.
The DB Handle
</th>
<td width="20%" align="right"> <a accesskey="n" href="dbget_lorder.html">Next</a></td>
</tr>
</table>
<hr />
</div>
<div class="sect1" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h2 class="title" style="clear: both"><a id="dbget_h_nelem"></a>DB->get_h_nelem()</h2>
</div>
</div>
</div>
<pre class="programlisting">#include <db.h>
int
DB->get_h_nelem(DB *db, u_int32_t *h_nelemp); </pre>
<p>
The <code class="methodname">DB->get_h_nelem()</code> method returns the estimate of the final size
of the hash table as set by the
<a class="xref" href="dbset_h_nelem.html" title="DB->set_h_nelem()">DB->set_h_nelem()</a>
method.
</p>
<p>
The <code class="methodname">DB->get_h_nelem()</code> method may be called at any time during the
life of the application.
</p>
<p>
The <code class="methodname">DB->get_h_nelem()</code> <span>
<span>
method returns a non-zero error value on failure and 0 on success.
</span>
</span>
</p>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="idp49899272"></a>Parameters</h3>
</div>
</div>
</div>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="idp49898624"></a>h_nelemp</h4>
</div>
</div>
</div>
<p>
The <code class="methodname">DB->get_h_nelem()</code> method returns the estimate of the final size
of the hash table in <span class="bold"><strong>h_nelemp</strong></span>.
</p>
</div>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="idp49871656"></a>Class</h3>
</div>
</div>
</div>
<p>
<a class="link" href="db.html" title="Chapter 2. The DB Handle">DB</a>
</p>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="idp49900352"></a>See Also</h3>
</div>
</div>
</div>
<p>
<a class="xref" href="db.html#dblist" title="Database and Related Methods">Database and Related Methods</a>,
<a class="xref" href="dbset_h_nelem.html" title="DB->set_h_nelem()">DB->set_h_nelem()</a>
</p>
</div>
</div>
<div class="navfooter">
<hr />
<table width="100%" summary="Navigation footer">
<tr>
<td width="40%" align="left"><a accesskey="p" href="dbget_h_ffactor.html">Prev</a> </td>
<td width="20%" align="center">
<a accesskey="u" href="db.html">Up</a>
</td>
<td width="40%" align="right"> <a accesskey="n" href="dbget_lorder.html">Next</a></td>
</tr>
<tr>
<td width="40%" align="left" valign="top">DB->get_h_ffactor() </td>
<td width="20%" align="center">
<a accesskey="h" href="index.html">Home</a>
</td>
<td width="40%" align="right" valign="top"> DB->get_lorder()</td>
</tr>
</table>
</div>
</body>
</html>
|
