Object which will be used to create valid parameter objects, field names, including prefix/postfix characters, and conversion routines, and field names, including prefix/postfix characters. Uses the strategy pattern so the generic code can work with more than one target database.

The filter to use in the scalar query.

The group by clause to use in this scalar query.

The list of parameters created when the ScalarQueryExpression was translated to text usable in a query. Only valid after a succesful call to ToQueryText

The relations to use in the scalar query.

The field which will be the resultvalue of this scalar query

The persistence info for the SelectField

The sorter to use in the scalar query.