yes, but imagine if it's a huge table, performance wise, ill be reading the whole table from the db, all columns and all rows.then throw away all the data except for a certain column, would it have a vast effect on performance if i just constrain the reading from the beginning ?
On Tue, Aug 25, 2009 at 10:20 AM, Aristedes Maniatis <[email protected]>wrote: > On 25/08/09 5:29 PM, Null kühl wrote: > >> also the return of such a query will be a list of clients as List<clients> >> c; , or since am querying for a certain field it can be something like >> List >> <String> names; >> > > Although you can do what you want by returning DataRows, I strongly advise > you avoid that approach while you are learning Cayenne. Instead, just > perform the query to return full objects. The whole point of Cayenne is so > that you can stop worrying about columns and start thinking in terms of Java > objects. > > Ari Maniatis > > --------------------------> > Aristedes Maniatis > GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A >
