Skip to main content
summaryrefslogtreecommitdiffstats
blob: 676047dbfb19dc6eb3f08dee6355cfa5258ef4c0 (plain) (blame)
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
<!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" xml:lang="en" lang="en">
<head>
<!-- Run date = May 21, 2008 14:42:07 -->
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii" />
<title>Primary Key Generation information</title>
 
<meta http-equiv="Content-Style-Type" content="text/css" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<meta name="generator" content="Oracle DARB XHTML Converter (Mode = ohj/ohw) - Version 5.0" />
<meta name="date" content="2005-07-10T12:57:20+08:00" />
<meta name="robots" content="noarchive" />
<meta name="doctitle" content="Primary Key Generation information" />
<meta name="relnum" content="Release 2.0" />
<meta name="copyright" content="Copyright (c) 2000, 2008 oracle . All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html. Contributors: Oracle - initial API and implementation" />
<link rel="copyright" href="dcommon/html/cpyr.htm" title="Copyright" type="text/html" />
<link rel="stylesheet" href="dcommon/css/blafdoc.css" title="Oracle BLAFDoc" type="text/css" />
<link rel="start" href="../../index.htm" title="Home" type="text/html" />
<link rel="contents" href="toc.htm" title="Contents" type="text/html" />
</head>
<body>
<p><a id="CACFCCAB" name="CACFCCAB"></a></p>
<div class="sect3"><!-- infolevel="all" infotype="General" -->
<h1>Primary Key Generation information</h1>
<p>This table lists the fields available in the <span class="gui-object-title">Primary Key Generation</span> area in JPA Details view for <a href="tasks013.htm#BABGCBHG">ID mapping</a> types.</p>
<div class="inftblruleinformal">
<table class="RuleInformal" title="This table describes the options on the Join Columns tab." summary="This table describes the options on the Join Columns tab." dir="ltr" border="1" width="100%" frame="border" rules="all" cellpadding="3" cellspacing="0">
<thead>
<tr align="left" valign="top">
<th align="left" valign="bottom" id="r1c1-t13">Property</th>
<th align="left" valign="bottom" id="r1c2-t13">Description</th>
<th align="left" valign="bottom" id="r1c3-t13">Default</th>
</tr>
</thead>
<tbody>
<tr align="left" valign="top">
<td align="left" id="r2c1-t13" headers="r1c1-t13"><a id="CACBAJBC" name="CACBAJBC"></a>Primary Key Generation</td>
<td align="left" headers="r2c1-t13 r1c2-t13"><a id="sthref210" name="sthref210"></a><a id="sthref211" name="sthref211"></a>These fields define how the primary key is generated. These fields correspond to the <code>@GeneratedValue</code> annotation.</td>
<td align="left" headers="r2c1-t13 r1c3-t13">Generated Value</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r3c1-t13" headers="r1c1-t13"><a id="CACJEEEC" name="CACJEEEC"></a>&nbsp;&nbsp;&nbsp;Strategy</td>
<td align="left" headers="r3c1-t13 r1c2-t13">
<ul>
<li>Auto</li>
<li>
<p>Identity &ndash; Values are assigned by the database's <span class="bold">Identity</span> column.</p>
</li>
<li>
<p>Sequence &ndash; Values are assigned by a sequence table (see <a href="#CACFFHEH">Sequence&nbsp;Generator</a>).</p>
</li>
<li>
<p>Table &ndash; Values are assigned by a database table (see <a href="#CACGFEAH">Table Generator</a>).</p>
</li>
</ul>
</td>
<td align="left" headers="r3c1-t13 r1c3-t13">Auto</td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r4c1-t13" headers="r1c1-t13"><a id="BABEEAHJ" name="BABEEAHJ"></a>&nbsp;&nbsp;Generator Name</td>
<td align="left" headers="r4c1-t13 r1c2-t13">Unique name of the generated value.</td>
<td align="left" headers="r4c1-t13 r1c3-t13"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r5c1-t13" headers="r1c1-t13"><a id="CACGFEAH" name="CACGFEAH"></a>Table Generator</td>
<td align="left" headers="r5c1-t13 r1c2-t13">These fields define the database table used for generating the primary key and correspond to the <code>@TableGenerator</code> annotation.
<p>These fields apply only when <span class="bold">Strategy</span>&nbsp;=&nbsp;<span class="bold">Table</span>.</p>
</td>
<td align="left" headers="r5c1-t13 r1c3-t13"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r6c1-t13" headers="r1c1-t13">&nbsp;&nbsp;Name</td>
<td align="left" headers="r6c1-t13 r1c2-t13">Unique name of the generator.</td>
<td align="left" headers="r6c1-t13 r1c3-t13"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r7c1-t13" headers="r1c1-t13">&nbsp;&nbsp;Table</td>
<td align="left" headers="r7c1-t13 r1c2-t13">Database table that stores the generated ID values.</td>
<td align="left" headers="r7c1-t13 r1c3-t13"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r8c1-t13" headers="r1c1-t13">&nbsp;&nbsp;Primary Key Column</td>
<td align="left" headers="r8c1-t13 r1c2-t13">The column in the table generator's <span class="bold">Table</span> that contains the primary key.</td>
<td align="left" headers="r8c1-t13 r1c3-t13"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r9c1-t13" headers="r1c1-t13">&nbsp;&nbsp;Value Column</td>
<td align="left" headers="r9c1-t13 r1c2-t13">The column that stores the generated ID values.</td>
<td align="left" headers="r9c1-t13 r1c3-t13"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r10c1-t13" headers="r1c1-t13">&nbsp;&nbsp;Primary Key Column Value</td>
<td align="left" headers="r10c1-t13 r1c2-t13">The value for the <span class="bold">Primary Key Column</span> in the generator table.</td>
<td align="left" headers="r10c1-t13 r1c3-t13"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r11c1-t13" headers="r1c1-t13"><a id="CACFFHEH" name="CACFFHEH"></a>Sequence&nbsp;Generator</td>
<td align="left" headers="r11c1-t13 r1c2-t13"><a id="sthref212" name="sthref212"></a><a id="sthref213" name="sthref213"></a>These fields define the specific sequence used for generating the primary key and correspond to the <code>@SequenceGenerator</code> annotation.
<p>These fields apply only when <span class="bold">Strategy</span> = <span class="bold">Sequence</span>.</p>
</td>
<td align="left" headers="r11c1-t13 r1c3-t13"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r12c1-t13" headers="r1c1-t13">&nbsp;&nbsp;Name</td>
<td align="left" headers="r12c1-t13 r1c2-t13">Name of the sequence table to use for defining primary key values.</td>
<td align="left" headers="r12c1-t13 r1c3-t13"><br /></td>
</tr>
<tr align="left" valign="top">
<td align="left" id="r13c1-t13" headers="r1c1-t13">&nbsp;&nbsp;Sequence</td>
<td align="left" headers="r13c1-t13 r1c2-t13">Unique name of the sequence.</td>
<td align="left" headers="r13c1-t13 r1c3-t13"><br /></td>
</tr>
</tbody>
</table>
<br /></div>
<!-- class="inftblruleinformal" -->
<p>&nbsp;</p>
<img src="img/ngrelt.png" alt="Related task" title="Related task" /><br />
<br />
<a href="tasks013.htm#BABGCBHG">ID mapping</a>
<p>&nbsp;</p>
<img src="img/ngrelr.png" alt="Related task" title="Related task" /><br />
<br />
<a href="ref_persistence_map_view.htm#BABIFBAF">JPA Details view (for attributes)</a></div>
<!-- class="sect3" -->
<!-- class="sect2" -->
<!-- Start Footer -->
<div class="footer">
<table class="simple oac_no_warn" summary="" cellspacing="0" cellpadding="0" width="100%">
<tr>
<td align="left" width="86%"><a href="dcommon/html/cpyr.htm"><span class="copyrightlogo">Copyright&nbsp;&copy;&nbsp;2006, 2008,&nbsp;Oracle.&nbsp;All&nbsp;rights&nbsp;reserved.</span></a></td>
</tr>
</table>
</div>
<!-- class="footer" -->
</body>
</html>

Back to the top