public S Execute <S>(Expression expression)
{
TransformMappingsMergerExpressionVisitor mergerVisitor = new TransformMappingsMergerExpressionVisitor();
mergerVisitor.Visit(expression);
TransformSelectInserterExpressionVisitor selectInserterVisitor = new TransformSelectInserterExpressionVisitor(mergerVisitor.TypeMappings);
expression = selectInserterVisitor.Visit(expression);
TransformExpressionVisitor visitor = new TransformExpressionVisitor(
_source,
mergerVisitor.TypeMappings,
mergerVisitor.PropertyMappings,
mergerVisitor.SelectParameterMappings,
mergerVisitor.ContainerClassMappings);
Expression newExpression = visitor.Visit(expression);
return((S)_source.Provider.Execute(newExpression));
}
public IEnumerator <T> GetEnumerator()
{
TransformMappingsMergerExpressionVisitor mergerVisitor = new TransformMappingsMergerExpressionVisitor();
mergerVisitor.Visit(_currentExpression);
TransformSelectInserterExpressionVisitor selectInserterVisitor = new TransformSelectInserterExpressionVisitor(mergerVisitor.TypeMappings);
Expression newExpression = selectInserterVisitor.Visit(_currentExpression);
TransformExpressionVisitor visitor = new TransformExpressionVisitor(
_source,
mergerVisitor.TypeMappings,
mergerVisitor.PropertyMappings,
mergerVisitor.SelectParameterMappings,
mergerVisitor.ContainerClassMappings);
newExpression = visitor.Visit(newExpression);
IQueryable <T> queryable = (IQueryable <T>)_source.Provider.CreateQuery(newExpression);
return(queryable.GetEnumerator());
}