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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 3 posts ] 
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 Post subject: problem with native sql!
PostPosted: Sun Sep 02, 2007 9:51 am 
Newbie

Joined: Mon Aug 13, 2007 9:27 am
Posts: 12
here I have a simple native sql query to execute using nhibernate. main query is more and more complex. but I can not even execute this simple query!

Code:
            ISessionFactory factory = Hibernate.NHibernateUtil.Instance.Factory;
            ISession session = factory.OpenSession();
            
            ITransaction transaction = session.BeginTransaction();

            string sqlStatement = "SELECT DISTINCT Id AS {department.id}, Title AS {department.title} FROM DEPTS";

            IQuery query = session.CreateSQLQuery(sqlStatement, "department", typeof(DepartmentDTO));
            IList list = query.List();

            transaction.Commit();

            session.Close();



and the exception:
message: "indicato4_0_"
type: System.IndexOutOfRangeException

and mapping file for DepartmentDTO:
Code:
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.0">
   <class name="TSSDataAccess.DTO.DepartmentDTO, TSSDataAccess" table="depts" dynamic-update="true">
      <id name="id" column="id" unsaved-value="0">
         <generator class="sequence">
            <param name="sequence">TSS.SQ_SUGGESTION</param>
         </generator>
      </id>
      
      <property name="title" column="title" not-null="false" />
      <property name="description" column="description" not-null="false" />
      <property name="indicatorCode" column="indicatorcode" not-null="false" />
      <property name="deleted" column="deleted" not-null="false" />
      
      <many-to-one name="parentDepartment" class="TSSDataAccess.DTO.DepartmentDTO, TSSDataAccess" column="parentdeptid" cascade="none" unique="true"/>
      
      <bag name="childDepartments" cascade="all">
         <key column="parentdeptid"/>
         <one-to-many class="TSSDataAccess.DTO.DepartmentDTO, TSSDataAccess"/>
      </bag>
      
      <bag name="staffs" cascade="all">
         <key column="deptid"/>
         <one-to-many class="TSSDataAccess.DTO.StaffDTO, TSSDataAccess"/>
      </bag>
      
      <bag name="inFlowSuggestions" cascade="none">
         <key column="currentdepartmentid"/>
         <one-to-many class="TSSDataAccess.DTO.SuggestionDTO, TSSDataAccess"/>
      </bag>
      
   </class>
</hibernate-mapping>


the problem is with indicatorCode peroperty of DepartmentDTO!

what do you think ? :(

StackTrace :
Quote:
" at System.Data.OracleClient.FieldNameLookup.GetOrdinal(String fieldName)\r\n at System.Data.OracleClient.OracleDataReader.GetOrdinal(String name)\r\n at NHibernate.Type.NullableType.NullSafeGet(IDataReader rs, String name)\r\n at NHibernate.Type.NullableType.NullSafeGet(IDataReader rs, String[] names, ISessionImplementor session, Object owner)\r\n at NHibernate.Type.AbstractType.Hydrate(IDataReader rs, String[] names, ISessionImplementor session, Object owner)\r\n at NHibernate.Loader.Loader.Hydrate(IDataReader rs, Object id, Object obj, ILoadable persister, ISessionImplementor session, String[][] suffixedPropertyColumns)\r\n at NHibernate.Loader.Loader.LoadFromResultSet(IDataReader rs, Int32 i, Object obj, Key key, String suffix, LockMode lockMode, ILoadable rootPersister, ISessionImplementor session)\r\n at NHibernate.Loader.Loader.InstanceNotYetLoaded(IDataReader dr, Int32 i, ILoadable persister, String suffix, Key key, LockMode lockMode, Key optionalObjectKey, Object optionalObject, IList hydratedObjects, ISessionImplementor session)\r\n at NHibernate.Loader.Loader.GetRow(IDataReader rs, ILoadable[] persisters, String[] suffixes, Key[] keys, Object optionalObject, Key optionalObjectKey, LockMode[] lockModes, IList hydratedObjects, ISessionImplementor session)\r\n at NHibernate.Loader.Loader.GetRowFromResultSet(IDataReader resultSet, ISessionImplementor session, QueryParameters queryParameters, IList hydratedObjects, Object optionalObject, Object optionalId, Key[] keys, Boolean returnProxies)\r\n at NHibernate.Loader.Loader.DoQuery(ISessionImplementor session, QueryParameters queryParameters, Object optionalObject, Object optionalId, Object[] optionalCollectionKeys, Boolean returnProxies)\r\n at NHibernate.Loader.Loader.DoQueryAndInitializeNonLazyCollections(ISessionImplementor session, QueryParameters queryParameters, Object optionalObject, Object optionalId, Object[] optionalCollectionKeys, Boolean returnProxies)\r\n at NHibernate.Loader.Loader.DoList(ISessionImplementor session, QueryParameters queryParameters)\r\n at NHibernate.Loader.Loader.List(ISessionImplementor session, QueryParameters queryParameters, ISet querySpaces, IType[] resultTypes)\r\n at NHibernate.Loader.SqlLoader.List(ISessionImplementor session, QueryParameters queryParameters)\r\n at NHibernate.Impl.SessionImpl.FindBySQL(String sqlQuery, String[] aliases, Type[] classes, QueryParameters queryParameters, ICollection querySpaces)\r\n at NHibernate.Impl.SqlQueryImpl.List()\r\n at TSSDataAccess.DAO.StaffDAO.getAccessibleDepts(Int32 staffId) in e:\\farzin\\devdesk\\tss\\solution\\tss\\tssdataaccess\\dao\\staffdao.cs:line 53"


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 Post subject: some opinion!
PostPosted: Sun Sep 02, 2007 10:15 am 
Newbie

Joined: Mon Aug 13, 2007 9:27 am
Posts: 12
maybe I need to use Returning non-managed entities feature of hibernate that does not exist in NHibernate! in hibernate we have codes like this for this problem:
Code:
sess.CreateSQLQuery("SELECT NAME, BIRTHDATE FROM CATS")
.SetResultTransformer(Transformers.AliasToBean(typeof(CatDTO)))


but, what kind of code will do similar to above?


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 Post subject:
PostPosted: Mon Sep 03, 2007 12:07 pm 
Beginner
Beginner

Joined: Wed Aug 29, 2007 1:25 pm
Posts: 26
Location: Recife, PE, Brazil
hi,

just you have to put all columns mapped in the SQL statement.

the error was that:

NHibernate didn't find the index for one of the properties mapped


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