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);
}
}
}
public static Expression Swap(Expression expression, Dictionary<Expression, Expression> expressionMap)
{
var swapper = new ExpressionSwapper(expressionMap);
return swapper.VisitExpression(expression);
}
public static Expression Swap(Expression expression, Dictionary <Expression, Expression> expressionMap)
{
var swapper = new ExpressionSwapper(expressionMap);
return(swapper.VisitExpression(expression));
}