WODisplayGroup repeats the same EO
WODisplayGroup repeats the same EO
- Subject: WODisplayGroup repeats the same EO
- From: David Avendasora <email@hidden>
- Date: Fri, 02 Sep 2011 15:35:05 +0800
Hi all,
This is one for posterity. AKA: When I'm an idiot in the future.
I was having a problem with a WODisplayGroup that would have the right number of objects in the selectedObjects Array, but they were all instances of the same EO.
Easy, you say; there's something wrong with the item setter on the WORepetition. Not so fast. It the setter was fine. The SQL that was being used to fetch the data was right too.
The model was wrong. The PK in the FrontBase DB was a LONGINT, but the PK in the EOModel had an external type of INT. The value stored in the DB field was not too long for an INT and an ALTER TABLE statement changed it without issue. Apparently there something about the process in the JDBC driver or EOF that chokes on it turning a Long into an Integer, but not enough to throw an exception, but enough to make all the values the same, in a non-deterministic way. If I quit and relaunched the app, it would likely repeat a different instance, but not always.
Dave _______________________________________________
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