具有可嵌入主键的表的SQLGrammarException

时间：2014-03-12 18:04:48

标签： java sql spring hibernate jpa

我创建了2个表，银行和分支。

我为POJO创建了DAO / BO类和接口。

我使用Annotations映射它们。

我正在使用Hibernate和Spring。

我在银行表格上测试了findAll方法... 

public List<Bank> findAll() {
    return getHibernateTemplate().find("from Bank");
}

......它很成功。

银行表的 ID 包含 - 与分支表的 ID 一起 - 主键分支表。

所以我做了一个Embeddable课程：

@Embeddable
public class BranchPK implements Serializable {

    /**
     * 
     */
    private static final long serialVersionUID = -8721469933759558600L;
    private Integer brchNum;
    private Integer bankNum;

    public BranchPK() {

    }
    @Column(name="BRCHNUM", precision=3, scale=0)
    public Integer getBrchNum() {
        return this.brchNum;
    }
    @Column(name="BANKNUM", precision=3, scale=0)
    public Integer getBankNum() {
        return this.bankNum;
    }

    public void setBrchNum(Integer brchNum) {
        this.brchNum = brchNum;
    }


    public void setBankNum(Integer bankNum) {
        this.bankNum = bankNum;
    }


}

分支表格如下所示：

@Entity
@Table(name="BRANCH")
public class Branch implements Serializable {

    /**
     * 
     */
    private static final long serialVersionUID = 9075916046034338274L;
    @EmbeddedId
    private BranchPK primaryKey;
    @ManyToOne(fetch=FetchType.LAZY)
@JoinColumn(name="BANKNUM")
    private Bank bank;
.........

一切看起来都很好并且有序，但是当我重复上一个findAll方法来获取所有分支时

public List<Branch> findAll() {
    return getHibernateTemplate().find("from Branch");
}

我收到了这个错误：

  

无法执行查询;嵌套异常是   org.hibernate.exception.SQLGrammarException：无法执行查询

更新 

Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 1.612 sec <<< FAILURE!
testFinddAll(bdl.cdr.core.BankBankDAOTest)  Time elapsed: 0.19 sec  <<< ERROR!
org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; nested exception is org.hibernate.exception.SQLGrammarException: could not execute query
    at org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:630)
    at org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:412)
    at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:424)
    at org.springframework.orm.hibernate3.HibernateTemplate.executeWithNativeSession(HibernateTemplate.java:374)
    at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:921)
    at org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:913)
    at bdl.cdr.core.dao.impl.BankBranchDAOImpl.findAll(BankBranchDAOImpl.java:14)
    at bdl.cdr.core.bo.impl.BankBranchBOImpl.findAll(BankBranchBOImpl.java:19)
    at bdl.cdr.core.BankBankDAOTest.testFinddAll(BankBankDAOTest.java:26)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at junit.framework.TestCase.runTest(TestCase.java:176)
    at junit.framework.TestCase.runBare(TestCase.java:141)
    at junit.framework.TestResult$1.protect(TestResult.java:122)
    at junit.framework.TestResult.runProtected(TestResult.java:142)
    at junit.framework.TestResult.run(TestResult.java:125)
    at junit.framework.TestCase.run(TestCase.java:129)
    at junit.framework.TestSuite.runTest(TestSuite.java:255)
    at junit.framework.TestSuite.run(TestSuite.java:250)
    at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:84)
    at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
    at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)
    at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)
    at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)
    at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:175)
    at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcessWhenForked(SurefireStarter.java:107)
    at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:68)
Caused by: org.hibernate.exception.SQLGrammarException: could not execute query
    at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:92)
    at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
    at org.hibernate.loader.Loader.doList(Loader.java:2545)
    at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2276)
    at org.hibernate.loader.Loader.list(Loader.java:2271)
    at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:459)
    at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:365)
    at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:196)
    at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1268)
    at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)
    at org.springframework.orm.hibernate3.HibernateTemplate$30.doInHibernate(HibernateTemplate.java:930)
    at org.springframework.orm.hibernate3.HibernateTemplate.doExecute(HibernateTemplate.java:419)
    ... 31 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'bankbranch0_.T_BANKNUM' in 'field list'
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
    at com.mysql.jdbc.Util.getInstance(Util.java:386)
    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1054)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4237)
    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4169)
    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2617)
    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2778)
    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2834)
    at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2156)
    at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2313)
    at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
    at org.hibernate.loader.Loader.getResultSet(Loader.java:1953)
    at org.hibernate.loader.Loader.doQuery(Loader.java:802)
    at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274)
    at org.hibernate.loader.Loader.doList(Loader.java:2542)
    ... 40 more

1 个答案:

答案 0 :(得分：1)

您的错误显示Unknown column 'bankbranch0_.T_BANKNUM' in 'field list'尝试查找表中是否包含T_BANKNUM列。它不会存在，将其从映射pojo中删除。

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