revert to old result set

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: varun-edachali-dbx

src/databricks/sql/result_set.py

@@ -508,6 +508,21 @@ def fetchmany_arrow(self, size: int) -> "pyarrow.Table":
         n_remaining_rows = size - results.num_rows
         self._next_row_index += results.num_rows
 
+    def _convert_json_table(self, rows):
+        """
+        Convert raw data rows to Row objects with named columns based on description.
+        Args:
+            rows: List of raw data rows
+        Returns:
+            List of Row objects with named columns
+        """
+        if not self.description or not rows:
+            return rows
+
+        column_names = [col[0] for col in self.description]
+        ResultRow = Row(*column_names)
+        return [ResultRow(*row) for row in rows]
+
     def fetchmany_json(self, size: int):
         """
         Fetch the next set of rows as a columnar table.