Dmitriy,

Yes, I'll support this kind of queries when enclosing objects' fields are
used in a query.


Denis



On Friday, May 29, 2015, Dmitriy Setrakyan <dsetrak...@apache.org> wrote:

> Denis,
>
> We can still include the department name directly into the query (it would
> have to be named differently from person name):
>
> select * from Employee where depName = ?
>
> Are you still going to support this?
>
> D.
>
> On Thu, May 28, 2015 at 10:49 PM, Denis Magda <dma...@gridgain.com
> <javascript:;>> wrote:
>
> > Igniters,
> >
> > We're planning to add the footer to a marshalled array of an Object to
> > perform queries faster when fields are used in a query.
> > So I have a question.
> >
> > Imagine that we have two objects.
> >
> > class Employee {
> >     private int age;
> >     private String name;
> >     private Department department;
> > }
> >
> > class Department {
> >    private int id;
> >    private String name;
> > }
> >
> > When an Employee object is being marshalled using OptimizedMarshaller the
> > footer of the marshalled array will be filled up with its personal fields
> > only - age, name, department. Neither Employee's footer will contain
> > information about Department object's fields, nor Department field or any
> > other /enclosed/ object field will contain footer at all.
> >
> > The reason is because we don't support queries like
> > "Select * FROM Employee as emp WHERE *emp.**department.name* = ?"
> >
> > Thus, for performance and memory consumption reasons I'm planning to
> > propagate the footer the way above.
> >
> >  Any thoughts, concerns?
> >
> > --
> > Denis
> >
> >
> >
>

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