public override void VisitNhHavingClause(NhHavingClause havingClause, QueryModel queryModel, int index)
{
var visitor = new SimplifyConditionalVisitor();
havingClause.Predicate = visitor.Visit(havingClause.Predicate);
// Visit the predicate to build the query
var expression = HqlGeneratorExpressionVisitor.Visit(havingClause.Predicate, VisitorParameters).ToBooleanExpression();
_hqlTree.AddHavingClause(expression);
}
private static void FlattenSubQuery(SubQueryExpression subQueryExpression, QueryModel queryModel)
{
// Move the result operator up
if (queryModel.ResultOperators.Count != 0)
{
throw new NotImplementedException();
}
var groupBy = (GroupResultOperator)subQueryExpression.QueryModel.ResultOperators[0];
queryModel.ResultOperators.Add(groupBy);
foreach (var whereClause in queryModel.BodyClauses.OfType <WhereClause>().ToArray())
{
//all outer where clauses actually are having clauses
var clause = new NhHavingClause(whereClause.Predicate);
queryModel.BodyClauses.Add(clause);
queryModel.BodyClauses.Remove(whereClause);
}
foreach (var bodyClause in subQueryExpression.QueryModel.BodyClauses)
{
queryModel.BodyClauses.Add(bodyClause);
}
// Replace the outer select clause...
queryModel.SelectClause.TransformExpressions(s =>
GroupBySelectClauseRewriter.ReWrite(s, groupBy, subQueryExpression.QueryModel));
foreach (var clause in queryModel.BodyClauses)
{
clause.TransformExpressions(s => GroupBySelectClauseRewriter.ReWrite(s, groupBy, subQueryExpression.QueryModel));
}
// Point all query source references to the outer from clause
queryModel.TransformExpressions(s =>
new SwapQuerySourceVisitor(queryModel.MainFromClause, subQueryExpression.QueryModel.MainFromClause).Swap(s));
// Replace the outer query source
queryModel.MainFromClause = subQueryExpression.QueryModel.MainFromClause;
}
public override void VisitNhHavingClause(NhHavingClause havingClause, QueryModel queryModel, int index)
{
_expander.Transform(havingClause);
}
public override void VisitNhHavingClause(NhHavingClause havingClause, QueryModel queryModel, int index)
{
_whereJoinDetector.Transform(havingClause);
}
public virtual void VisitNhHavingClause(NhHavingClause havingClause, QueryModel queryModel, int index)
{
}