multiple value in fetchspec's qualifier
multiple value in fetchspec's qualifier
- Subject: multiple value in fetchspec's qualifier
- From: Goh Keng Boon <email@hidden>
- Date: Mon, 28 Jun 2004 12:37:59 +0800
Hi,
I got a fetchspec in EOModel that has a qualifier (usercode =
$usercode), i placed the desired usercode into my NSMutableDictionary
and
call
EOFetchSpecification.fetchSpecificationNamed("fetchByCode","user"); in
order to have a fetch spec that complete this statement,
for example usercode = 1
If i would like to fetch usercode 1,2,3 how can i assign all these
value to my NSMutableDictionary? I tried to use NSArray inside
the dictionary but failed. And ultimately, what i need is a fetch spec
that returns values based on my qualifiers(with an array of value).
Another question, I got this table called "book" with to many
relationship to another table called "author",
which means i got something like book.authorinvolve() which is an
NSArray. I got problem when trying to specify
the qualifier in my fetch spec(i tried to fetch all books that this
particular author involved), and i believe is
because of the to many relationship. What i tried to do is :
relationship.authorname= $name
where 1 book record can have many author record. How can i go around
this problem? Thanks.
KB
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