コード例 #1
0
        public OrderedHashSet <SubQuery> GetSubqueries()
        {
            OrderedHashSet <SubQuery> set = null;

            if (this.JoinCondition != null)
            {
                set = this.JoinCondition.CollectAllSubqueries(set);
            }
            if (!(this.RangeTable is TableDerived))
            {
                return(set);
            }
            QueryExpression queryExpression = this.RangeTable.GetQueryExpression();

            if (((TableDerived)this.RangeTable).view != null)
            {
                if (set == null)
                {
                    set = new OrderedHashSet <SubQuery>();
                }
                set.AddAll(((TableDerived)this.RangeTable).view.GetSubqueries());
                return(set);
            }
            if (queryExpression == null)
            {
                return(OrderedHashSet <SubQuery> .Add(set, this.RangeTable.GetSubQuery()));
            }
            OrderedHashSet <SubQuery> subqueries = queryExpression.GetSubqueries();

            set = OrderedHashSet <SubQuery> .AddAll(set, subqueries);

            SubQuery subQuery = this.RangeTable.GetSubQuery();

            return(OrderedHashSet <SubQuery> .AddAll(OrderedHashSet <SubQuery> .Add(set, subQuery), subQuery.GetExtraSubqueries()));
        }