Deveel.Data.Sql.Query.QueryPlanNodeVisitor.VisitLogicalUnion C# (CSharp) Method

        protected virtual IQueryPlanNode VisitLogicalUnion(LogicalUnionNode node)
        {
            var left = node.Left;
            var right = node.Right;
            if (left != null)
                left = VisitNode(left);
            if (right != null)
                right = VisitNode(right);

            return new LogicalUnionNode(left, right);
        }