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fetching from a number of entity subclasses simultaneously
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fetching from a number of entity subclasses simultaneously


  • Subject: fetching from a number of entity subclasses simultaneously
  • From: "Adam Ramadan" <email@hidden>
  • Date: Sat, 14 Feb 2004 12:42:51 -0500

Hi,

I'm trying to implement a search feature for my application, and I'm
wondering what the best way to implement it using EOF is. I have a base
entity with a number of subclasses, and I wish to search in the attributes
of the various subclasses with the result a NSArray of the base class. I
looked into fetch specifications but it seems that they can only work in the
context of a single entity. I guess I'm wondering it there is some way to
write the SQL (probably doing a number of outer joins) and organize the
result of the query in a way the EOF can understand and work with. Is this
possible or am I stuck with using JDBC for this?

Any suggestions would be greatly appreciated,
Adam Ramadan
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