当两张表有相同字段名称的情况下，使用这样的字段申明主键，建约束时就会报错：

日志：

CREATE TABLE YDM_ASSETS_INFO(
No VARCHAR2(128),
type VARCHAR2(128),
NAME VARCHAR2(128),
BATCH_ID VARCHAR2(128),
state VARCHAR2(128),
prefix VARCHAR2(128))
17-3-15 17:21:47.790 DEBUG [main] alter table YDM_ASSETS_INFO add constraint primary_key__type_N primary key (type,No)
17-3-15 17:21:47.830 DEBUG [main] SQLException
java.sql.SQLException: ORA-02264: 名称已被一现有约束条件占用

	at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
	at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:288)
	at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:743)
	at oracle.jdbc.driver.T4CStatement.doOall8(T4CStatement.java:207)
	at oracle.jdbc.driver.T4CStatement.executeForRows(T4CStatement.java:946)
	at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1168)
	at oracle.jdbc.driver.OracleStatement.executeInternal(OracleStatement.java:1687)
	at oracle.jdbc.driver.OracleStatement.execute(OracleStatement.java:1653)
	at com.alibaba.druid.pool.DruidPooledStatement.execute(DruidPooledStatement.java:410)
	at org.nutz.dao.impl.sql.run.NutDaoExecutor._runStatement(NutDaoExecutor.java:357)
	at org.nutz.dao.impl.sql.run.NutDaoExecutor.exec(NutDaoExecutor.java:60)
	at org.nutz.dao.DaoInterceptorChain.doChain(DaoInterceptorChain.java:66)
	at org.nutz.dao.impl.interceptor.DaoLogInterceptor.filter(DaoLogInterceptor.java:22)
	at org.nutz.dao.DaoInterceptorChain.doChain(DaoInterceptorChain.java:64)
	at org.nutz.dao.DaoInterceptorChain.invoke(DaoInterceptorChain.java:139)
	at org.nutz.dao.impl.sql.run.NutDaoRunner.runCallback(NutDaoRunner.java:158)
	at org.nutz.dao.impl.sql.run.NutDaoRunner._runWithTransaction(NutDaoRunner.java:104)
	at org.nutz.dao.impl.sql.run.NutDaoRunner._run(NutDaoRunner.java:88)
	at org.nutz.dao.impl.sql.run.NutDaoRunner$1.run(NutDaoRunner.java:74)
	at org.nutz.trans.Trans.exec(Trans.java:174)
	at org.nutz.dao.impl.sql.run.NutDaoRunner.run(NutDaoRunner.java:72)
	at org.nutz.dao.impl.DaoSupport.run(DaoSupport.java:240)
	at org.nutz.dao.impl.DaoSupport._exec(DaoSupport.java:248)
	at org.nutz.dao.impl.DaoSupport.execute(DaoSupport.java:236)
	at org.nutz.dao.impl.jdbc.oracle.OracleJdbcExpert.createEntity(OracleJdbcExpert.java:137)
	at org.nutz.dao.impl.EntityHolder.reloadEntity(EntityHolder.java:86)
	at org.nutz.dao.impl.NutDao.create(NutDao.java:796)
	at org.nutz.service.EntityService.create(EntityService.java:258)
	at com.yuro.dm.service.impl.AssetsInfoServiceTest.testCreate(AssetsInfoServiceTest.java:25)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	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.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
	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.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
	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)

如果可以在@PK中指定约束名称就好了。