@Id
@Column(name="user_id")
@GeneratedValue(strategy = GenerationType.TABLE, generator="user_gen")
@TableGenerator(
name="user_gen",
table="tb_generator",
pkColumnName="gen_name",
valueColumnName="gen_value",
pkColumnValue="t_user_pk",
allocationSize=1
)
public long getId()
{
return id;
}
另一张表(UserGroup实体类对应)t_group表也通过tb_generator表生成主键：
@Id
@Column(name="group_id")
@GeneratedValue(strategy=GenerationType.TABLE,generator="group_gen")
@TableGenerator
(
name="group_gen",
table="tb_generator",
pkColumnName="gen_name",
pkColumnValue="gen_value",
valueColumnName="t_group_pk",
allocationSize=1
)
在使用hibernate测试时发现，向User那张表插入数据时正常，但是向UserGroup表中插入数据时，抛出异常：
org.hibernate.exception.SQLGrammarException: error performing isolated work
at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:122)
at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
at org.hibernate.engine.transaction.internal.jdbc.JdbcIsolationDelegate.delegateWork(JdbcIsolationDelegate.java:99)
at org.hibernate.id.MultipleHiLoPerTableGenerator.generate(MultipleHiLoPerTableGenerator.java:218)
at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:118)
at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:204)
at org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:55)
at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:189)
at org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:49)
at org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90)
at org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:757)
at org.hibernate.internal.SessionImpl.save(SessionImpl.java:749)
at org.hibernate.internal.SessionImpl.save(SessionImpl.java:745)
at com.ims.dao.impl.UserGroupDaoImpl.addUserGroup(UserGroupDaoImpl.java:33)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at $Proxy26.addUserGroup(Unknown Source)
at com.ims.dao.UserGroupDaoTest.testAddUserGroup(UserGroupDaoTest.java:38)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:231)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:174)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Unknown column 't_group_pk' in 'field list'
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:936)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2985)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1631)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1723)
at com.mysql.jdbc.Connection.execSQL(Connection.java:3283)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1332)
at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1467)
at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
at org.hibernate.id.MultipleHiLoPerTableGenerator$1.execute(MultipleHiLoPerTableGenerator.java:168)
at org.hibernate.id.MultipleHiLoPerTableGenerator$1.execute(MultipleHiLoPerTableGenerator.java:153)
at org.hibernate.jdbc.WorkExecutor.executeReturningWork(WorkExecutor.java:72)
at org.hibernate.jdbc.AbstractReturningWork.accept(AbstractReturningWork.java:51)
at org.hibernate.engine.transaction.internal.jdbc.JdbcIsolationDelegate.delegateWork(JdbcIsolationDelegate.java:77)
... 51 more
分析了下原因，tb_generator这张主键生成表与t_group表的关联关系被tb_generator与t_user更新了，而且单独测试一个实体表与tb_generator关联时都没有问题，请大侠帮忙，谢谢！
2 个解决方案
#1
Caused by: com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Unknown column 't_group_pk' in 'field list'
pkColumnValue="gen_value",
valueColumnName="t_group_pk",
应该为
pkColumnValue="t_group_pk",
valueColumnName="gen_value",
pkColumnValue="gen_value",
valueColumnName="t_group_pk",
应该为
pkColumnValue="t_group_pk",
valueColumnName="gen_value",
#2
你没明白我的意思：我仅仅想在tb_generator这张表中生成t_user表中的主键索引：t_user_pk，同时也生成t_group表中主键索引t_group_pk。即tb_generator中有2条记录：t_user_pk、t_group_pk，分别为2张表的主键索引
#1
Caused by: com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Unknown column 't_group_pk' in 'field list'
pkColumnValue="gen_value",
valueColumnName="t_group_pk",
应该为
pkColumnValue="t_group_pk",
valueColumnName="gen_value",
pkColumnValue="gen_value",
valueColumnName="t_group_pk",
应该为
pkColumnValue="t_group_pk",
valueColumnName="gen_value",
#2
你没明白我的意思：我仅仅想在tb_generator这张表中生成t_user表中的主键索引：t_user_pk，同时也生成t_group表中主键索引t_group_pk。即tb_generator中有2条记录：t_user_pk、t_group_pk，分别为2张表的主键索引