Hi Frits,
On Mar 3, 2008, at 1:37 AM, Frits Jalvingh wrote:
The later. This is not configurable in Cayenne. I strongly suspect
that PreparedStatement caching is never a bottleneck in the case of
update (and in any event, if we issue a set of different UPDATE
queries for each entity, each variati
We use Cayenne SQL Queries (named queries) for doing reports and
complex joins, and have it return light weight RowMap objects. This
is a great facility, you get all the benefit of SQL access, but don't
have to write all the supporting JDBC code.
regards Malcolm Edgar
On Mon, Mar 3, 2008 at 10:5
On 03/03/2008, at 10:37 AM, Frits Jalvingh wrote:
This means I would not use Cayenne for any kind of work that handles
large amounts of objects; something that is not advisable anyway for
the
current generation of ORM's.
I think it 'depends'. That is, what do you call 'large amounts'?
Ce
Hi Andrus,
Thanks for your swift reply!!!
> PreparedStatement caching can be configured outside Cayenne at the
> DataSource level. Cayenne by itself doesn't do PreparedStatement
> caching and doesn't care about it.
Check.
>
> > 2. When Cayenne executes updates does it update the entire recor
On Mar 2, 2008, at 9:11 PM, Andrus Adamchik wrote:
3. The documentation states that when you call rollbackChanges() a
transaction the DataContext state is restored to the state it had
before. Does it do this by using "copies" of the objects it has read
or is the database re-queried?
Rollback
On Mar 2, 2008, at 7:25 PM, Frits Jalvingh wrote:
1. When Cayenne accesses the database, are PreparedStatements used
(and
cached) within a single DataContext? That is: if code causes 100x the
same SQL to be generated and executed (select xxx from yyy where
id=?)
is this prepare once, cac
Hello there,
I am evaluating Cayenne for use in a new project. I have read the
documentation and experimented a bit but I'm left with a few questions.
I hope I can get some answers here ;-)
1. When Cayenne accesses the database, are PreparedStatements used (and
cached) within a single DataContext
