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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-9397" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-5a57b879-f1ca-4ce1-8a8b-6000d051e07c" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9397" style="color: #3b73af; text-decoration: none">HHH-9397</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-9397" style="color: #3b73af; text-decoration: none">composite primary key containing foreign key, @EmbeddedId, @MapsId, @JoinColumn, and foreign key length</a> </span>
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Issue Type:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-bug-5a57b879-f1ca-4ce1-8a8b-6000d051e07c" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /> Bug
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Affects Versions:
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4.3.5
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Assignee:
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Unassigned
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Components:
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annotations
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Created:
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12/Sep/2014 06:40 AM
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Environment:
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4.3.5, any
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Priority:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-major-05930843-3ace-47b7-8ba1-69bae3b998ae" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom" /> Major
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Reporter:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="wolfth" id="email_wolfth" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=wolfth" style="color:#6c797f;; color: #3b73af; text-decoration: none">Thomas Wolf</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">With the two classes</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.Column;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.Entity;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.Id;
@Entity
<span class="code-keyword" style="color: #000091">public</span> class A {
@Id
@Column(name=<span class="code-quote" style="color: #009100">"AID"</span>, length=8)
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> id;
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> getId() {
<span class="code-keyword" style="color: #000091">return</span> id;
}
}
</pre>
</div>
</div>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">and</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">import</span> java.io.Serializable;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.Column;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.Embeddable;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.EmbeddedId;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.Entity;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.JoinColumn;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.ManyToOne;
<span class="code-keyword" style="color: #000091">import</span> javax.persistence.MapsId;
@Entity
<span class="code-keyword" style="color: #000091">public</span> class B {
@Embeddable
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">static</span> class B_Key <span class="code-keyword" style="color: #000091">implements</span> Serializable {
<span class="code-keyword" style="color: #000091">private</span> <span class="code-keyword" style="color: #000091">static</span> <span class="code-keyword" style="color: #000091">final</span> <span class="code-object" style="color: #910091">long</span> serialVersionUID = 1L;
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> aId;
<span class="code-keyword" style="color: #000091">public</span> B_Key() {}
@Column(name = <span class="code-quote" style="color: #009100">"BB"</span>, length = 1)
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> b;
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> getAId() {
<span class="code-keyword" style="color: #000091">return</span> aId;
}
<span class="code-keyword" style="color: #000091">public</span> void setAId(<span class="code-object" style="color: #910091">String</span> value) {
aId = value;
}
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> getB() {
<span class="code-keyword" style="color: #000091">return</span> b;
}
<span class="code-keyword" style="color: #000091">public</span> void setB(<span class="code-object" style="color: #910091">String</span> value) {
b = value;
}
@Override
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">boolean</span> equals(<span class="code-object" style="color: #910091">Object</span> obj) {
<span class="code-keyword" style="color: #000091">if</span> (<span class="code-keyword" style="color: #000091">this</span> == obj) <span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">true</span>;
<span class="code-keyword" style="color: #000091">if</span> (obj == <span class="code-keyword" style="color: #000091">null</span> || !(obj.getClass().equals(<span class="code-keyword" style="color: #000091">this</span>.getClass()))) <span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">false</span>;
B_Key other = (B_Key) obj;
<span class="code-keyword" style="color: #000091">return</span> (aId == <span class="code-keyword" style="color: #000091">null</span> && other.aId == <span class="code-keyword" style="color: #000091">null</span> || aId != <span class="code-keyword" style="color: #000091">null</span> && aId.equals(other.aId)) &&
(b == <span class="code-keyword" style="color: #000091">null</span> && other.b == <span class="code-keyword" style="color: #000091">null</span> || b != <span class="code-keyword" style="color: #000091">null</span> && b.equals(other.b));
}
@Override
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">int</span> hashCode() {
<span class="code-keyword" style="color: #000091">return</span> (aId == <span class="code-keyword" style="color: #000091">null</span> ? 0 : aId.hashCode()) ^ (b == <span class="code-keyword" style="color: #000091">null</span> ? 0 : b.hashCode());
}
}
@EmbeddedId
<span class="code-keyword" style="color: #000091">private</span> B_Key id;
@MapsId(<span class="code-quote" style="color: #009100">"aId"</span>)
@ManyToOne
@JoinColumn(name = <span class="code-quote" style="color: #009100">"FK_A"</span>)
<span class="code-keyword" style="color: #000091">private</span> A a;
<span class="code-keyword" style="color: #000091">public</span> A getA() {
<span class="code-keyword" style="color: #000091">return</span> a;
}
<span class="code-keyword" style="color: #000091">public</span> void setA (A value) {
a = value;
}
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> getB() {
<span class="code-keyword" style="color: #000091">return</span> id.getB();
}
<span class="code-keyword" style="color: #000091">public</span> void setB(<span class="code-object" style="color: #910091">String</span> value) {
id.setB(value);
}
}
</pre>
</div>
</div>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">the SchemaExport generates the following DDL:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
create table A (
AID varchar(8) not <span class="code-keyword" style="color: #000091">null</span>,
primary key (AID)
)
create table B (
FK_A varchar(255),
BB varchar(1) not <span class="code-keyword" style="color: #000091">null</span>,
primary key (FK_A, BB)
)
alter table B
add constraint FK_8u5iivujidu0ix4s4f9cw76ns
foreign key (FK_A)
references A
</pre>
</div>
</div>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Why is that foreign key FK_A varchar(255)? I would have expected varchar(8). If I remove the @JoinColumn, I do get varchar(8), but I can no longer give it a name.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">How do I get both: varchar(8) and the column being named "FK_A"? Am I doing something wrong here, or is there indeed a problem?</p>
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<td class="email-content-main mobile-expand " style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #fff">
<table id="actions-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px">
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<td id="actions-pattern-container" valign="middle" style="padding: 0px; border-collapse: collapse; padding: 10px 0 10px 24px; vertical-align: middle; padding-left: 0">
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<td class="actions-pattern-action-icon-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0px; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-9397#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none"> <img class="actions-pattern-action-icon-image" src="cid:jira-generated-image-static-comment-icon-7dd7a6b6-3eff-4440-8482-43ef2b017b67" alt="Add Comment" title="Add Comment" height="16" width="16" border="0" style="vertical-align: middle" /> </a>
</td>
<td class="actions-pattern-action-text-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px"> <a href="https://hibernate.atlassian.net/browse/HHH-9397#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none">Add Comment</a>
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</table>
</td>
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<!-- there needs to be content in the cell for it to render in some clients -->
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<td class="email-content-rounded-bottom mobile-expand" style="padding: 0px; border-collapse: collapse; color: #fff; padding: 0 15px 0 16px; height: 5px; line-height: 5px; background-color: #fff; border-top: 0; border-left: 1px solid #ccc; border-bottom: 1px solid #ccc; border-right: 1px solid #ccc; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; mso-line-height-rule: exactly">
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</table>
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<tr>
<td id="footer-pattern" style="padding: 0px; border-collapse: collapse; padding: 12px 20px">
<table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0px; border-collapse: collapse; color: #999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px">
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<td id="footer-pattern-logo-desktop-container" valign="top" style="padding: 0px; border-collapse: collapse; padding-left: 20px; vertical-align: top">
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
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<td id="footer-pattern-logo-desktop-padding" style="padding: 0px; border-collapse: collapse; padding-top: 3px"> <img id="footer-pattern-logo-desktop" src="cid:jira-generated-image-static-footer-desktop-logo-9016a33f-7f47-4886-bda0-a6c13a5b8ccf" alt="Atlassian logo" title="Atlassian logo" width="169" height="36" class="image_fix" />
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