EOMasterCopyAssociation
EOMasterCopyAssociation
- Subject: EOMasterCopyAssociation
- From: Ian Joyner <email@hidden>
- Date: Tue, 16 Aug 2005 14:54:38 +1000
Does anyone have experience with this. The documentation at:
http://developer.apple.com/documentation/WebObjects/Reference/
API5.2.4/index.html
says all you need to do is have an EODisplayGroup and a second one
which you control-drag a connection from to the first one, and then
select the parent aspect and click connect. However, at this step,
connect is not enabled – you have to select a relationship in the
first group (I think the documentation is lacking this step).
But this is not what I want. I have a DB table of PERSON and I want
displayed in an IB table, but I also want to display an IB table of
doctors, which is a subset of PERSON where is_a_doctor = 'T'.
However, if this is a separate DG, I get two DB lookups, one for
every PERSON and then one with WHERE is_a_doctor = 'T'.
The second select is obviously redundant because I already have these
records in memory (on the client machine), so what I wanted was a
second EODG which could fliter the first EODG and just display doctor
records.
Is there a way to do this to save DB accesses?
Thanks
Ian Joyner
Sportstec
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