<dl>
<dt>Module</dt>
<dd>Mapper</dd>
<dt>Request</dt>
<dd>When updating the referenced object in a MappedForeignKey column, the .is field returns the new value of the id, but the .obj field still returns the reference of the object originally loaded with the owner.
The .is and .obj should be coherent.</dd>
<dt>Example</dt>
<dd>

    val testUser : User = User.find(By(User.id, 1)).open_!
    val testAddress = testUser.homeAddress.obj;
    Log.debug("Current FK id is "+testUser.homeAddress.is) // returns 1

    testAddress match {
      case Full(addr) =>
         val anotherAddr : Address = Address.find(By(Address.id,2)).open_!
         Log.debug("There was an address: "+addr+". Replace it with addr id#2: "+anotherAddr);
          testUser.homeAddress(anotherAddr).save

      case _ =>
        [...]
    }
    val retestAddress = testUser.homeAddress.obj
    Log.debug("Now obj is "+retestAddress); // returns a Box with the old address (id == 1)
    Log.debug("And is is "+testUser.homeAddress.is) // returns 2

</dd>
<dt>See</dt>
<dd> http://groups.google.com/group/liftweb/browse_thread/thread/0041894ec33fc538/0bcb1a85658155af?hl=en#0bcb1a85658155af </dd>
</dl>





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