public static Results Detect(Expression selector, NameGenerator nameGenerator, ISessionFactory sessionFactory)
{
var detector = new LeftJoinDetector(nameGenerator, sessionFactory);
var newSelector = detector.VisitExpression(selector);
return new Results(newSelector, detector._joins.Values, detector._expressionMap);
}
public static Results Detect(Expression selector, NameGenerator nameGenerator, ISessionFactory sessionFactory)
{
var detector = new LeftJoinDetector(nameGenerator, sessionFactory);
var newSelector = detector.VisitExpression(selector);
return(new Results(newSelector, detector._joins.Values, detector._expressionMap));
}
public override void VisitSelectClause(SelectClause selectClause, QueryModel queryModel)
{
var joins = LeftJoinDetector.Detect(selectClause.Selector, new NameGenerator(queryModel), _sessionFactory);
if (joins.Joins.Count > 0)
{
selectClause.Selector = joins.Selector;
queryModel.TransformExpressions(e => ExpressionSwapper.Swap(e, joins.ExpressionMap));
foreach (var join in joins.Joins)
{
queryModel.BodyClauses.Add(join);
}
}
}
