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Forum locked This topic is locked, you cannot edit posts or make further replies.  [ 2 posts ] 
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 Post subject: delete item from collection --> delete from database!!
PostPosted: Tue Jul 31, 2007 3:39 am 
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Joined: Mon Oct 02, 2006 12:03 pm
Posts: 62
As you can see bellow, I add five lines (LINIES_EXPEDICIO table) into a document (EXPEDICIONS table)

Quote:
NHibernate: INSERT INTO EXPEDICIONS (DATA, NUM_EXPEDICIO, NUM_BULTOS, ALBARA, CLIENT, DIRECCIO_ENTREGA, TRANSPORTISTA, EXPEDICIO) VALUES (@p0, @p1, @p2, @p3, @p4, @p5, @p6, @p7); @p0 = '31/07/2007 8:33:08', @p1 = '0', @p2 = '0', @p3 = '20', @p4 = ' 2', @p5 = '31', @p6 = '', @p7 = '4'
NHibernate: INSERT INTO LINIES_EXPEDICIO (ARTICLE, QUANTITAT, EXPEDICIO, LINIA) VALUES (@p0, @p1, @p2, @p3); @p0 = ' 139', @p1 = '100', @p2 = '4', @p3 = '0'
NHibernate: INSERT INTO LINIES_EXPEDICIO (ARTICLE, QUANTITAT, EXPEDICIO, LINIA) VALUES (@p0, @p1, @p2, @p3); @p0 = ' 139', @p1 = '100', @p2 = '4', @p3 = '1'
NHibernate: INSERT INTO LINIES_EXPEDICIO (ARTICLE, QUANTITAT, EXPEDICIO, LINIA) VALUES (@p0, @p1, @p2, @p3); @p0 = ' 139', @p1 = '49', @p2 = '4', @p3 = '2'
NHibernate: INSERT INTO LINIES_EXPEDICIO (ARTICLE, QUANTITAT, EXPEDICIO, LINIA) VALUES (@p0, @p1, @p2, @p3); @p0 = ' 140', @p1 = '200', @p2 = '4', @p3 = '3'
NHibernate: INSERT INTO LINIES_EXPEDICIO (ARTICLE, QUANTITAT, EXPEDICIO, LINIA) VALUES (@p0, @p1, @p2, @p3); @p0 = ' 140', @p1 = '52', @p2 = '4', @p3 = '4'
NHibernate: UPDATE EXPEDICIONS SET DATA = @p0, NUM_EXPEDICIO = @p1, NUM_BULTOS = @p2, ALBARA = @p3, CLIENT = @p4, DIRECCIO_ENTREGA = @p5, TRANSPORTISTA = @p6 WHERE EXPEDICIO = @p7; @p0 = '31/07/2007 8:33:08', @p1 = '0', @p2 = '0', @p3 = '20', @p4 = ' 2', @p5 = '31', @p6 = '', @p7 = '4'
NHibernate: UPDATE LINIES_EXPEDICIO SET ARTICLE = @p0, QUANTITAT = @p1 WHERE EXPEDICIO = @p2 AND LINIA = @p3; @p0 = ' 139', @p1 = '100', @p2 = '4', @p3 = '0'
NHibernate: UPDATE LINIES_EXPEDICIO SET ARTICLE = @p0, QUANTITAT = @p1 WHERE EXPEDICIO = @p2 AND LINIA = @p3; @p0 = ' 139', @p1 = '100', @p2 = '4', @p3 = '1'
NHibernate: UPDATE LINIES_EXPEDICIO SET ARTICLE = @p0, QUANTITAT = @p1 WHERE EXPEDICIO = @p2 AND LINIA = @p3; @p0 = ' 139', @p1 = '49', @p2 = '4', @p3 = '2'
NHibernate: UPDATE LINIES_EXPEDICIO SET ARTICLE = @p0, QUANTITAT = @p1 WHERE EXPEDICIO = @p2 AND LINIA = @p3; @p0 = ' 140', @p1 = '52', @p2 = '4', @p3 = '4'


So, later I have removed the line number 3 from collection. In order to do it, I perform this code:

Code:
private void remove_linia_kernel (Model.Linia_Expedicio linia)
      {
         linia.Expedicio = null;
         this.linies.Remove(linia);
      }

      public virtual void remove_linia (Model.Linia_Expedicio linia)
      {
         if (this.linies.Contains(linia)) this.remove_linia_kernel(linia);
      }


So, I hope when this document is updated, the line number 3 is deleted also. Now, NHibernate updates other lines, but doesn't delete line 3.

What do I do wrong?
Thanks for all.

Mappings-->

Code:
           <class name="Model.Expedicio, Model" table="EXPEDICIONS">
      <id name="Codi" column="EXPEDICIO" type="Int32" unsaved-value="-1">
         <generator class="increment"/>
      </id>
      <property name="Data" column="DATA" type="DateTime"/>
      <property name="Num" column="NUM_EXPEDICIO" type="Int32"/>
      <property name="Bultos" column="NUM_BULTOS" type="Int32"/>
      <many-to-one name="Albara" class="Model.Albara, Model" column="ALBARA" lazy="false"/>
      <many-to-one name="Client" class="Model.Client, Model" column="CLIENT" lazy="false"/>
      <many-to-one name="Direccio_entrega" class="Model.Direccio, Model" column="DIRECCIO_ENTREGA" lazy="false"/>
      <many-to-one name="Transportista" class="Model.Transportista, Model" column="TRANSPORTISTA" lazy="false"/>
      <set name="Linies" cascade="all" inverse="true" lazy="false">
         <key column="EXPEDICIO"/>
         <one-to-many class="Model.Linia_Expedicio, Model"/>
      </set>
   </class>

   <class name="Model.Linia_Expedicio, Model" table="LINIES_EXPEDICIO">
      <composite-id name="Codi" class="Model.Linia_Expedicio_PK, Model">
         <key-many-to-one name="Expedicio" class="Model.Expedicio, Model" column="EXPEDICIO" lazy="false"/>
         <key-property name="Linia" column="LINIA" type="Int32"/>
      </composite-id>
      <many-to-one name="Article" class="Model.Article, Model" column="ARTICLE" lazy="false"/>
      <property name="Quantitat" column="QUANTITAT" type="Int32"/>
   </class>



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 Post subject:
PostPosted: Tue Jul 31, 2007 4:05 am 
Regular
Regular

Joined: Thu Nov 23, 2006 10:29 am
Posts: 106
Location: Belgium
Hi,

You might try "all-delete-orphan" for your cascade mode. This should do the trick.

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