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From Markus Reich <markus.re...@markusreich.at>
Subject Re: Disabling caching for relationship queries
Date Fri, 10 May 2013 05:05:24 GMT
thx


2013/5/9 Michael Gentry <mgentry@masslight.net>

> You can also use a RelationshipQuery to refresh the objects in a
> relationship:
>
> http://cayenne.apache.org/docs/3.0/relationshipquery.html
>
>
>
> On Thu, May 9, 2013 at 4:34 AM, Andrus Adamchik <andrus@objectstyle.org
> >wrote:
>
> > In this situation related objects are not fetched by the query (they are
> > resolved when you read them via getter of MiiPickingcontainer). So
> there's
> > no any specific caching/refreshing rules involved. Instead related
> objects
> > simply stay around as long as their owning MiiPickingcontainer objects
> are
> > in scope.
> >
> > To refresh relationships when you execute a query, you need to specify
> > prefetching for each relationship you care to refresh:
> >
> >
> >
> http://cayenne.apache.org/docs/3.1/cayenne-guide/performance-tuning.html#prefetching
> >
> > Andrus
> >
> > On May 8, 2013, at 2:48 PM, Markus Reich <markus.reich@markusreich.at>
> > wrote:
> >
> > > e.g.
> > >    SelectQuery query = new SelectQuery(MiiPickingcontainer.class);
> > >    query.setQualifier(expression);
> > >    query.addOrdering(MiiPickingcontainer.MESSTART_PROPERTY,
> > > SortOrder.ASCENDING);
> > >
> > >    @SuppressWarnings("unchecked")
> > >    List<MiiPickingcontainer> containers = ctxt.performQuery(query);
> > >    return containers;
> > >
> > > MiiPickingcontainer has n MiiPickingcontainerPositions and a Position
> has
> > > an 1:1 order
> > >
> > >
> > > 2013/5/8 Andrus Adamchik <andrus@objectstyle.org>
> > >
> > >> Which query are we talking about? Could you provide a code sample
> > please.
> > >>
> > >> Andrus
> > >>
> > >> On May 8, 2013, at 2:37 PM, Markus Reich <markus.reich@markusreich.at
> >
> > >> wrote:
> > >>
> > >>> Hi,
> > >>>
> > >>> is there a possibility to disable the default cayenne caching
> mechanism
> > >>> used to get relational data?
> > >>> I already set Shared Cache to false and Number of Objects to 0, but
> it
> > >>> still doesn't work :-(
> > >>>
> > >>> regards
> > >>> Meex
> > >>
> > >>
> > >
> > >
> > > --
> > > *Markus Reich*
> > > Moosbach 28/2
> > > 6392 St. Jakob i.H.
> > > www.markusreich.at / www.meeximum.at
> > > markus.reich@markusreich.at
> >
> >
>



-- 
*Markus Reich*
Moosbach 28/2
6392 St. Jakob i.H.
www.markusreich.at / www.meeximum.at
markus.reich@markusreich.at

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