public ExplorerItem EmitCodeAndGetExplorerItemTree(TypeBuilder dataContextTypeBuilder)
      {
         var query = SqlHelper.LoadSql("QueryTables.sql");
         var tables = connection.Query(query);

         var explorerItems = new List<ExplorerItem>();

         foreach (var group in tables.GroupBy(t => t.TableCatalog))
         {
            var databaseName = group.Key;

            var preparedTables = new List<TableData>();

            foreach (var table in group.OrderBy(t => t.TableName))
            {
               var unmodifiedTableName = (string)table.TableName;
               var tableName = cxInfo.GetTableName(unmodifiedTableName);

               var explorerItem = new ExplorerItem(tableName, ExplorerItemKind.QueryableObject, ExplorerIcon.Table)
               {
                  IsEnumerable = true,
                  Children = new List<ExplorerItem>(),
                  DragText = tableName,
                  SqlName = $"\"{unmodifiedTableName}\""
               };

               var tableData = PrepareTableEntity(cxInfo, moduleBuilder, connection, nameSpace, databaseName, unmodifiedTableName, explorerItem);
               preparedTables.Add(tableData);
            }

            // build the associations before the types are created
            BuildAssociations(connection, preparedTables);

            foreach (var tableData in preparedTables)
            {
               dataContextTypeBuilder.CreateAndAddType(tableData);
               explorerItems.Add(tableData.ExplorerItem);
            }
         }

         return new ExplorerItem("Tables", ExplorerItemKind.Category, ExplorerIcon.Table)
         {
            IsEnumerable = true,
            Children = explorerItems
         };
      }