public override void VisitOrderByClause(OrderByClause orderByClause, QueryModel queryModel, int index)
{
var visitor = new EnigmaExpressionTreeVisitor(_objectExpression);
foreach (var ordering in orderByClause.Orderings) {
visitor.VisitExpression(ordering.Expression);
_objectExpression.OrderBy(ordering.OrderingDirection);
}
base.VisitOrderByClause(orderByClause, queryModel, index);
}
public override void VisitResultOperator(ResultOperatorBase resultOperator, QueryModel queryModel, int index)
{
base.VisitResultOperator(resultOperator, queryModel, index);
if (resultOperator is FirstResultOperator) {
_objectExpression.Executor.Take(1);
return;
}
var takeResultOperator = resultOperator as TakeResultOperator;
if (takeResultOperator != null) {
var countConstantExpression = takeResultOperator.Count as ConstantExpression;
if (countConstantExpression != null) {
_objectExpression.Take = (int)countConstantExpression.Value;
}
return;
}
var skipResultOperator = resultOperator as SkipResultOperator;
if (skipResultOperator != null) {
var countConstantExpression = skipResultOperator.Count as ConstantExpression;
if (countConstantExpression != null)
_objectExpression.Skip = (int)countConstantExpression.Value;
return;
}
var contains = resultOperator as ContainsResultOperator;
if (contains != null)
{
var visitor = new EnigmaExpressionTreeVisitor(_objectExpression);
visitor.VisitExpression(contains.Item);
_objectExpression.Contains();
return;
}
var any = resultOperator as AnyResultOperator;
if (any != null)
{
_objectExpression.Any();
return;
}
}
public override void VisitMainFromClause(MainFromClause fromClause, QueryModel queryModel)
{
var visitor = new EnigmaExpressionTreeVisitor(_objectExpression);
visitor.VisitExpression(fromClause.FromExpression);
//_objectExpression.AddParameter(fromClause.ItemType, fromClause.ItemName);
}
public override void VisitWhereClause(WhereClause whereClause, QueryModel queryModel, int index)
{
var predicate = whereClause.Predicate;
var visitor = new EnigmaExpressionTreeVisitor(_objectExpression);
visitor.VisitExpression(predicate);
base.VisitWhereClause(whereClause, queryModel, index);
}
