protected override Expression VisitSubQueryExpression (SubQueryExpression expression)
{
ArgumentUtility.CheckNotNull ("expression", expression);
var clonedQueryModel = expression.QueryModel.Clone (QuerySourceMapping);
return new SubQueryExpression (clonedQueryModel);
}
protected override Expression VisitSubQueryExpression (SubQueryExpression expression)
{
ArgumentUtility.CheckNotNull ("expression", expression);
expression.QueryModel.TransformExpressions (ex => ReplaceClauseReferences (ex, _querySourceMapping, _throwOnUnmappedReferences));
return expression;
}
protected override Expression VisitSubQueryExpression (SubQueryExpression expression)
{
ArgumentUtility.CheckNotNull ("expression", expression);
return Expression.Parameter (expression.Type, "{" + expression.QueryModel + "}");
}
protected virtual void FlattenSubQuery (
SubQueryExpression subQueryExpression, FromClauseBase fromClause, QueryModel queryModel, int destinationIndex)
{
ArgumentUtility.CheckNotNull ("subQueryExpression", subQueryExpression);
ArgumentUtility.CheckNotNull ("fromClause", fromClause);
ArgumentUtility.CheckNotNull ("queryModel", queryModel);
CheckFlattenable (subQueryExpression.QueryModel);
var innerMainFromClause = subQueryExpression.QueryModel.MainFromClause;
CopyFromClauseData (innerMainFromClause, fromClause);
var innerSelectorMapping = new QuerySourceMapping();
innerSelectorMapping.AddMapping (fromClause, subQueryExpression.QueryModel.SelectClause.Selector);
queryModel.TransformExpressions (ex => ReferenceReplacingExpressionTreeVisitor.ReplaceClauseReferences (ex, innerSelectorMapping, false));
InsertBodyClauses (subQueryExpression.QueryModel.BodyClauses, queryModel, destinationIndex);
var innerBodyClauseMapping = new QuerySourceMapping();
innerBodyClauseMapping.AddMapping (innerMainFromClause, new QuerySourceReferenceExpression (fromClause));
queryModel.TransformExpressions (ex => ReferenceReplacingExpressionTreeVisitor.ReplaceClauseReferences (ex, innerBodyClauseMapping, false));
}
protected override Expression VisitSubQueryExpression (SubQueryExpression expression)
{
expression.QueryModel.TransformExpressions (VisitExpression);
return expression; // Note that we modifiy the (mutable) QueryModel, we return an unchanged expression
}