File: db_heap_rid.html

package info (click to toggle)
db5.3 5.3.28%2Bdfsg1-0.5
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 158,360 kB
  • sloc: ansic: 448,411; java: 111,824; tcl: 80,544; sh: 44,326; cs: 33,697; cpp: 21,604; perl: 14,557; xml: 10,799; makefile: 4,077; yacc: 1,003; awk: 965; sql: 801; erlang: 342; python: 216; php: 24; asm: 14
file content (193 lines) | stat: -rw-r--r-- 6,811 bytes parent folder | download | duplicates (8)
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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
<?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>DbHeapRecordId</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="dbverify.html" title="Db::verify()" />
    <link rel="next" href="dbc.html" title="Chapter 3.  The Dbc Handle" />
  </head>
  <body>
    <div xmlns="" class="navheader">
      <div class="libver">
        <p>Library Version 11.2.5.3</p>
      </div>
      <table width="100%" summary="Navigation header">
        <tr>
          <th colspan="3" align="center">DbHeapRecordId</th>
        </tr>
        <tr>
          <td width="20%" align="left"><a accesskey="p" href="dbverify.html">Prev</a> </td>
          <th width="60%" align="center">Chapter 2. 
                The Db Handle
        </th>
          <td width="20%" align="right"> <a accesskey="n" href="dbc.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="db_heap_rid"></a>DbHeapRecordId</h2>
          </div>
        </div>
      </div>
      <pre class="programlisting">#include &lt;db_cxx.h&gt;

class _exported DbHeapRecordId : private DB_HEAP_RID
{
public:
    db_pgno_t get_pgno() const      { return pgno; }
    void set_pgno(db_pgno_t value)  { pgno = value; }

    db_indx_t get_indx() const      { return indx; }
    void set_indx(db_indx_t value)  { indx = value; }

    DB_HEAP_RID *get_DB_HEAP_RID()  { return (DB_HEAP_RID *)this; }
    const DB_HEAP_RID *get_const_DB_HEAP_RID() const
                    { return (const DB_HEAP_RID *)this; }

    static DbHeapRecordId* get_DbHeapRecordId(DB_HEAP_RID *rid)
                    { return (DbHeapRecordId *)rid; }
    static const DbHeapRecordId* get_const_DbHeapRecordId(DB_HEAP_RID *rid)
                    { return (const DbHeapRecordId *)rid; }

    DbHeapRecordId(db_pgno_t pgno, db_indx_t indx);
    DbHeapRecordId();
    ~DbHeapRecordId();
    DbHeapRecordId(const DbHeapRecordId &amp;);
    DbHeapRecordId &amp;operator = (const DbHeapRecordId &amp;);
};</pre>
      <p>
        Content used for the key in a Heap database record. Berkeley DB 
        
        <span>instantiates an object of this class</span>
        for you when you create a record in a Heap database. You should
        never
        
        <span>instantiate an object of this class or modify the contents of this class</span>
        yourself; Berkeley DB must create and manage it for you.
    </p>
      <p>
        This 
        
        <span>object</span>
        is returned in the <span class="bold"><strong>key</strong></span>
        Dbt parameter of the method that you use to add a record to the 
        Heap database.
    </p>
      <div class="sect2" lang="en" xml:lang="en">
        <div class="titlepage">
          <div>
            <div>
              <h3 class="title"><a id="idp6026096"></a>Class Methods</h3>
            </div>
          </div>
        </div>
        <div class="sect3" lang="en" xml:lang="en">
          <div class="titlepage">
            <div>
              <div>
                <h4 class="title"><a id="idp6033296"></a>get_pgno()</h4>
              </div>
            </div>
          </div>
          <p>
                 Returns the database page number where the record is stored.
             </p>
        </div>
        <div class="sect3" lang="en" xml:lang="en">
          <div class="titlepage">
            <div>
              <div>
                <h4 class="title"><a id="idm2292672"></a>get_indx()</h4>
              </div>
            </div>
          </div>
          <p>
                Returns the index in the offset table where the record can be found.
            </p>
        </div>
        <div class="sect3" lang="en" xml:lang="en">
          <div class="titlepage">
            <div>
              <div>
                <h4 class="title"><a id="idp6082456"></a>get_DB_HEAP_RID()</h4>
              </div>
            </div>
          </div>
          <p>
                Returns a pointer to the underlying C-language structure
                used to store the database page number and offset table
                index information.
            </p>
        </div>
        <div class="sect3" lang="en" xml:lang="en">
          <div class="titlepage">
            <div>
              <div>
                <h4 class="title"><a id="idp6082976"></a>set_pgno()</h4>
              </div>
            </div>
          </div>
          <p>
                For internal use only. Changing the offset index has
                unpredictable results.
            </p>
        </div>
        <div class="sect3" lang="en" xml:lang="en">
          <div class="titlepage">
            <div>
              <div>
                <h4 class="title"><a id="idp6083424"></a>set_indx()</h4>
              </div>
            </div>
          </div>
          <p>
                For internal use only. Changing the offset index has
                unpredictable results.
            </p>
        </div>
      </div>
      <div class="sect2" lang="en" xml:lang="en">
        <div class="titlepage">
          <div>
            <div>
              <h3 class="title"><a id="idp6065216"></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>, 
        </p>
      </div>
    </div>
    <div class="navfooter">
      <hr />
      <table width="100%" summary="Navigation footer">
        <tr>
          <td width="40%" align="left"><a accesskey="p" href="dbverify.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="dbc.html">Next</a></td>
        </tr>
        <tr>
          <td width="40%" align="left" valign="top">Db::verify() </td>
          <td width="20%" align="center">
            <a accesskey="h" href="index.html">Home</a>
          </td>
          <td width="40%" align="right" valign="top"> Chapter 3. 
                The Dbc Handle
        </td>
        </tr>
      </table>
    </div>
  </body>
</html>