sql_io.py: put(): Use a simple case of put_table(), which now supports everything put() needs. This will enable all row-based and column-based processing to be maintained in the same function, put_table(), and avoids the need to reimplement any column-based functionality (like SQL functions) in put().
sql_io.py: put(): Use a simple case of put_table(), which now supports everything put() needs. This will enable all row-based and column-based processing to be maintained in the same function, put_table(), and avoids the need to reimplement any column-based functionality (like SQL functions) in put().