protected override Expression VisitSubquery(SubqueryExpression subquery) { var saveSuppressOrderBy = this.suppressOrderby; this.suppressOrderby = true; var result = base.VisitSubquery(subquery); this.suppressOrderby = saveSuppressOrderBy; return(result); }
protected override Expression VisitSubquery(SubqueryExpression subquery) { if ((subquery.NodeType == (ExpressionType)DbExpressionType.Scalar || subquery.NodeType == (ExpressionType)DbExpressionType.In) && subquery.Select != null) { System.Diagnostics.Debug.Assert(subquery.Select.Columns.Count == 1); MarkColumnAsUsed(subquery.Select.Alias, subquery.Select.Columns[0].Name); } return(base.VisitSubquery(subquery)); }
protected virtual Expression VisitSubquery(SubqueryExpression subquery) { switch ((DbExpressionType)subquery.NodeType) { case DbExpressionType.Scalar: return(this.VisitScalar((ScalarExpression)subquery)); case DbExpressionType.Exists: return(this.VisitExists((ExistsExpression)subquery)); case DbExpressionType.In: return(this.VisitIn((InExpression)subquery)); } return(subquery); }
protected virtual bool CompareSubquery(SubqueryExpression a, SubqueryExpression b) { if (a.NodeType != b.NodeType) { return(false); } switch ((DbExpressionType)a.NodeType) { case DbExpressionType.Scalar: return(this.CompareScalar((ScalarExpression)a, (ScalarExpression)b)); case DbExpressionType.Exists: return(this.CompareExists((ExistsExpression)a, (ExistsExpression)b)); case DbExpressionType.In: return(this.CompareIn((InExpression)a, (InExpression)b)); } return(false); }
protected override Expression VisitSubquery(SubqueryExpression subquery) { // don't count aggregates in subqueries return(subquery); }
protected override Expression VisitSubquery(SubqueryExpression subquery) { return(subquery); }
protected override Expression VisitSubquery(SubqueryExpression subquery) { // don't gather inside scalar & exists return(subquery); }