If have a Transaction class :
@Entity
public class Transaction implements Identifiable {
private static final long serialVersionUID = 5732269201608146506L;
@Id
@GeneratedValue
private int id;
@Column
private Date date;
@Column
private String description;
@CollectionOfElements(fetch = FetchType.EAGER)
@JoinTable(name = "moves", joinColumns = @JoinColumn(name = "transactionID"))
@Cascade(value = org.hibernate.annotations.CascadeType.DELETE_ORPHAN)
@org.hibernate.annotations.MapKey(columns = { @Column(name = "accountId") })
@Column(name = "amount")
private Map<Account, BigDecimal> moves = new HashMap<Account, BigDecimal>();
....
}
and an Account class :
@Entity
public class Account implements Identifiable {
private static final long serialVersionUID = 2862850054100616066L;
@Column
@Id
@GeneratedValue
private int id;
....
}
I'm trying to do the following query :
public BigDecimal getBalance(Account bankAccount) {
QTransaction transaction = QTransaction.transaction;
JPQLQuery q = new HibernateQuery(getHibernateTemplate().getSessionFactory()
.getCurrentSession()).from(transaction);
List<Transaction> transactions = q.from(transaction)
.where(transaction.moves.containsKey(bankAccount))
.list(transaction);
return computeSum(bankAccount, transactions);
}
and i got the following stack trace :
org.hibernate.hql.ast.QuerySyntaxException: unexpected AST node: ( near line 3, column 18 [select transaction
from myapp.comptes.b.Transaction transaction
where containsKey(transaction.moves,:a1)]
at org.hibernate.hql.ast.QuerySyntaxException.convert(QuerySyntaxException.java:54)
at org.hibernate.hql.ast.QuerySyntaxException.convert(QuerySyntaxException.java:47)
at org.hibernate.hql.ast.ErrorCounter.throwQueryException(ErrorCounter.java:82)
at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:261)
at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:185)
at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136)
at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:101)
at org.hibernate.engine.query.HQLQueryPlan.<init>(HQLQueryPlan.java:80)
at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:98)
at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:156)
at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:135)
at org.hibernate.impl.SessionImpl.createQuery(SessionImpl.java:1760)
at com.mysema.query.jpa.hibernate.DefaultSessionHolder.createQuery(DefaultSessionHolder.java:30)
at com.mysema.query.jpa.hibernate.AbstractHibernateQuery.createQuery(AbstractHibernateQuery.java:126)
at com.mysema.query.jpa.hibernate.AbstractHibernateQuery.createQuery(AbstractHibernateQuery.java:93)
at com.mysema.query.jpa.hibernate.AbstractHibernateQuery.list(AbstractHibernateQuery.java:207)
at myapp.comptes.b.AccountManagerQDSLImpl.getBalance(AccountManagerQDSLImpl.java:56)
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.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)
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 $Proxy25.getBalance(Unknown Source)
at myapp.comptes.web.AppTest.testEnterTransactionAndBalanceIsCorrect(AppTest.java:116)
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.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:82)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:240)
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:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180)
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)
When using plain HQL query, i used the index() HQL method, and not the containsKey method it seems QueryDSL wants to use.
public BigDecimal getBalance(Account bankAccount) {
List<Transaction> transactions = getHibernateTemplate()
.find("select t from Transaction t join t.moves m where index(m) = ?",
bankAccount);
return computeSum(bankAccount, transactions);
}
FYI, i just tested with Hibernate as an JPA provider, and i got the same error (my previous test was using hibernate api)