private void BuildWithSubquery()
{
var criteria = (CriteriaImpl)MainQuery.UnderlyingCriteria;
var session = (SessionImpl)criteria.Session;
var metaData = session.SessionFactory.GetClassMetadata(typeof(TRoot));
var idName = metaData.IdentifierPropertyName; //TODO: multiple props
var pe = Expression.Parameter(typeof(TRoot));
var idExprBody = Expression.Property(pe, typeof(TRoot).GetProperty(idName));
var expr = Expression.Lambda(idExprBody, pe);
var mainCloned = MainQuery.Clone();
var projectionList = new List <IProjection>();
projectionList.Add(ExpressionProcessor.FindMemberProjection(expr.Body).AsProjection());
mainCloned.UnderlyingCriteria.SetProjection(projectionList.ToArray());
var tree = new QueryRelationTree();
foreach (var pathExpr in Includes)
{
tree.AddNode(pathExpr);
}
foreach (var pair in tree.DeepFirstSearch())
{
var query = session.QueryOver <TRoot>();
//Add a SubQuery
query.And(Subqueries.PropertyIn(idName, ((QueryOver <TRoot, TRoot>)mainCloned).DetachedCriteria));
CopyCriteriaValues(criteria, query);
FillSubQuery(pair.Value, query, criteria);
query.Future();
}
}
private void BuildWithoutSubQuery()
{
var criteria = (CriteriaImpl)MainQuery.UnderlyingCriteria;
var tree = new QueryRelationTree();
foreach (var pathExpr in Includes)
{
tree.AddNode(pathExpr);
}
foreach (var pair in tree.DeepFirstSearch())
{
var query = MainQuery.Clone();
FillSubQuery(pair.Value, query, criteria);
query.Future();
}
}
