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From Arturo Perez <art...@pleeque.com>
Subject Re: custom type stops working - good-to-broken.diff (1/1)
Date Thu, 19 Jul 2012 12:24:48 GMT
Well, I ended up throwing away the old map and reengineering** the DB 
from scratch.  But I did save the broken map and I attached a diff 
between the broken one and the new, working one.  The diff was created 
via 
diff goodNewMap.xml badOldMap.xml.

For some columns the custom type is a PK but it also fails for when the 
column is neither a PK nor an FK.

Haven't tried with 3.1.  Don't want the disruption while I finish up my 
project/sprint.  Or is it a seamless upgrade?

**I use a lot of database domain types so that I can keep track of 
exactly what that VARCHAR column really is.  Any way to teach modeler 
how to handle those?

In article <B743A36C-840E-47F8-B6EF-697887DB315E@objectstyle.org>,
 Andrus Adamchik <andrus@objectstyle.org> wrote:

> Hi Arturo,
> 
> could you possibly provide a diff between old and new DataMap? Also is custom 
> type used for a PK column by any chance? (this shouldn't be a problem, I am 
> just collecting clues). Finally, have you tried it with Cayenne 3.1?
> 
> Thnaks,
> Andrus
> 
> On Jul 19, 2012, at 4:51 AM, Arturo Perez wrote:
> 
> > Using 3.0.2 on Mac OS 10.5.8 and java6.
> > 
> > After updating my map.xml with some new entities and some altered 
> > columns at least one of my custom types stops working.  For example,
> > I have an ObjEntity with 2 attributes of the same DB type (bigint) that
> > should be converted to an object essentially using MyObject.valueOf.  The
> > first attribute gets converted but the second does not.  Other 
> > ObjEntities with a similarly defined column also do not get converted 
> > using the custom type mechanism.
> > 
> > Ultimately I end up getting a ClassCastException from readProperty
> > Caused by: java.lang.ClassCastException: java.lang.Long cannot be cast 
> > to com....
> >   at com....(_....java:32)
> >   at com....(....java:138)
> > 
> > 
> > If I revert the map.xml to the previous version via SCM then those 
> > custom types start working again.
> > 
> > Anyone seen anything like this before?
> > 
> > This has happened to me before before saving saving saving has made it 
> > go away but not this time...
> > 
> >

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