derived attribute in eomodel
derived attribute in eomodel
- Subject: derived attribute in eomodel
- From: Goh Keng Boon <email@hidden>
- Date: Tue, 13 Jul 2004 18:36:15 +0800
Hi, i got this derived attribute in one of my entity called totalqty,
which is pointed to sum(quantity).
When i try to get the value out of it, i always got
({totalqty = <com.webobjects.foundation.NSKeyValueCoding$Null>; })
If i change it to count(quantity), im able to get the correct number of
record.... I'm using RawFetch to fetch this totalqty only.
Anyone ?
Thanks.
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