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<td class="page-title-pattern-first-line " style="padding: 0; 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-11236" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-268800ec-ca72-4038-b366-00b26b8739d6" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11236" style="color: #3b73af; text-decoration: none">HHH-11236</a> </td>
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<td style="vertical-align: top;; padding: 0; 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-11236" style="color: #3b73af; text-decoration: none">JPA hbm2ddl generates invalid syntax for Unique Key with MySQLDialect </a> </span> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Issue Type:</th>
<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-268800ec-ca72-4038-b366-00b26b8739d6" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Affects Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.1.2, 5.2.3 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate-core </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 09/Nov/2016 09:34 AM </td>
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<td class="has-icon" style="padding: 0; 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-minor-15a2335f-83b7-422d-9b4b-3312c7764be8" height="16" width="16" border="0" align="absmiddle" alt="Minor" style="vertical-align: text-bottom"> Minor </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Reporter:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="binoy.shah" id="email_binoy.shah" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=binoy.shah" style="color:#6c797f;; color: #3b73af; text-decoration: none">Binoy Shah</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">MySQL version - 5.7.15<br> Hibernate version - hibernate-core | 5.2.3.Final <br> Implementation - JPA 2.1</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"><ins>persistence.xml file</ins></p>
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<pre class="code-xml" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-tag" style="color: #000091"><persistence-unit name=<span class="code-quote" style="color: #009100">"defaultPU"</span> transaction-type=<span class="code-quote" style="color: #009100">"RESOURCE_LOCAL"</span>></span>
<span class="code-tag" style="color: #000091"><provider></span>org.hibernate.jpa.HibernatePersistenceProvider<span class="code-tag" style="color: #000091"></provider></span>
<span class="code-tag" style="color: #000091"><non-jta-data-source></span>DefaultDS<span class="code-tag" style="color: #000091"></non-jta-data-source></span>
<span class="code-tag" style="color: #000091"><shared-cache-mode></span>ENABLE_SELECTIVE<span class="code-tag" style="color: #000091"></shared-cache-mode></span>
<span class="code-tag" style="color: #000091"><properties></span>
<span class="code-tag" style="color: #000091"><span class="code-comment" style="color: #808080"><!--Hibernate properties--></span></span>
<span class="code-tag" style="color: #000091"><property name=<span class="code-quote" style="color: #009100">"hibernate.show_sql"</span> value=<span class="code-quote" style="color: #009100">"true"</span>/></span>
<span class="code-tag" style="color: #000091"><property name=<span class="code-quote" style="color: #009100">"hibernate.format_sql"</span> value=<span class="code-quote" style="color: #009100">"true"</span>/></span>
<span class="code-tag" style="color: #000091"><property name=<span class="code-quote" style="color: #009100">"hibernate.hbm2ddl.auto"</span> value=<span class="code-quote" style="color: #009100">"update"</span>/></span>
<span class="code-tag" style="color: #000091"><property name=<span class="code-quote" style="color: #009100">"hibernate.dialect"</span> value=<span class="code-quote" style="color: #009100">"org.hibernate.dialect.MySQL5InnoDBDialect"</span> /></span>
<span class="code-tag" style="color: #000091"><property name=<span class="code-quote" style="color: #009100">"hibernate.id.new_generator_mappings"</span> value=<span class="code-quote" style="color: #009100">"false"</span>/></span>
<span class="code-tag" style="color: #000091"><property name=<span class="code-quote" style="color: #009100">"hibernate.connection.CharSet"</span> value=<span class="code-quote" style="color: #009100">"UTF-8"</span>/></span>
<span class="code-tag" style="color: #000091"><property name=<span class="code-quote" style="color: #009100">"hibernate.connection.characterEncoding"</span> value=<span class="code-quote" style="color: #009100">"utf8"</span>/></span>
<span class="code-tag" style="color: #000091"><property name=<span class="code-quote" style="color: #009100">"hibernate.connection.useUnicode"</span> value=<span class="code-quote" style="color: #009100">"true"</span>/></span>
<span class="code-tag" style="color: #000091"></properties></span>
<span class="code-tag" style="color: #000091"></persistence-unit></span>
</pre>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Entity
@Table(name = <span class="code-quote" style="color: #009100">"CUSTOMER"</span>)
<span class="code-keyword" style="color: #000091">public</span> class Customer {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = <span class="code-quote" style="color: #009100">"CUSTOMER_ACCOUNT_NUMBER"</span>)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">Long</span> customerAccountNumber;
@Basic
@Column(name = <span class="code-quote" style="color: #009100">"CUSTOMER_ID"</span>, unique = <span class="code-keyword" style="color: #000091">true</span>)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> customerId;
@Basic
@Column(name = <span class="code-quote" style="color: #009100">"BILLING_ADDRESS"</span>)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> billingAddress;
<span class="code-keyword" style="color: #000091">public</span> Customer() {}
}
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">During startup it generates following error in the logs</p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
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<pre style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-all; white-space: pre-wrap"> alter table CUSTOMER
drop constraint UK_8eumjccoobf7t6psn9exu4gnh
Hibernate:
alter table CUSTOMER
add constraint UK_8eumjccoobf7t6psn9exu4gnh unique (CUSTOMER_ID)
[error] o.j.StatementLogger - java.sql.Statement.execute:
alter table CUSTOMER
drop constraint UK_8eumjccoobf7t6psn9exu4gnh;
throws exception: java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'constraint UK_8eumjccoobf7t6psn9exu4gnh' at line 2
java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'constraint UK_8eumjccoobf7t6psn9exu4gnh' at line 2
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:536)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:513)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:115)
at com.mysql.cj.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:1983)
at com.mysql.cj.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:1936)
at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:891)
at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:795)
at com.zaxxer.hikari.pool.ProxyStatement.execute(ProxyStatement.java:95)
at com.zaxxer.hikari.pool.HikariProxyStatement.execute(HikariProxyStatement.java)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
[info] o.j.StatementLogger - java.sql.Statement.execute:
alter table CUSTOMER
add constraint UK_8eumjccoobf7t6psn9exu4gnh unique (CUSTOMER_ID);
</pre>
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{
"@context": "http://schema.org",
"@type": "EmailMessage",
"description": "View Issue",
"potentialAction": {
"@type": "ViewAction",
"target": "https://hibernate.atlassian.net/browse/HHH-11236?inbox=true&",
"name": "View Issue"
},
"publisher": {
"@type": "Organization",
"name": "Atlassian",
"url": "https://www.atlassian.com"
}
}
</script>
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<table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
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