0
我是,将我的应用程序从Derby移动到MySQL,并面临hibernate在初始创建表时并未创建外键约束的问题。我所有的映射似乎都是正确的,因为他们与德比一起工作得很好。MySQL - Hibernate不会创建外键约束
我正在使用MySQL服务器5.6和MySQL5InnoDBDialect。另外我在MySQL工作台中使用show create table命令验证了该表是使用innoDB引擎创建的。
MySQL的连接器中使用 - MySQL的连接器的Java - 5.1.6
日志:
2014-04-21 12:38:29,820 ERROR org.hibernate.tool.hbm2ddl.SchemaExport - Unsuccessful: alter table DEPENDENCY_TRACK add constraint FK25E3373737E62D9A foreign key (TOOL_ID) references TOOL_MASTER
2014-04-21 12:38:29,820 ERROR org.hibernate.tool.hbm2ddl.SchemaExport - Cannot add foreign key constraint
2014-04-21 12:38:30,127 ERROR org.hibernate.tool.hbm2ddl.SchemaExport - Unsuccessful: alter table DEPT_ROLE add constraint FK7E895E3080D96D8 foreign key (DEPARTMENT_ID) references DEPARTMENT
2014-04-21 12:38:30,128 ERROR org.hibernate.tool.hbm2ddl.SchemaExport - Cannot add foreign key constraint
Persistance.xml
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0">
<persistence-unit name="hibernatePersistenceUnit" transaction-type="RESOURCE_LOCAL">
<properties>
<property name="hibernate.hbm2ddl.auto" value="create" />
<!-- <property name="hibernate.dialect" value="org.hibernate.dialect.DerbyDialect" /> -->
<!-- <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect" /> -->
<property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
<property name="hibernate.show_sql" value="true"/>
<property key="hibernate.hbm2ddl.import_files">import.sql</property>
</properties>
<mapping-file>META-INF/orm.xml</mapping-file>
</persistence-unit>
</persistence>
database.properties
# database properties
app.jdbc.driverClassName = com.mysql.jdbc.Driver
app.jdbc.url = jdbc:mysql://localhost:3306/alt
app.jdbc.username = root
app.jdbc.password = root
您可以提供DEPENDENCY_TRACK,TOOL_MASTER和DEPT_ROLE,DEPARTMENT表及其alter查询的import.sql剪辑。 –
import.sql只包含插入查询。我不是通过它明确创建表。 –