transaction_depth
_dbh
_select_args
- _dbh_execute_array
+ _dbh_execute_for_fetch
_sql_maker
_per_row_update_delete
_dbh_execute_inserts_with_no_binds
_multipk_update_delete
_normalize_connect_info
_parse_connect_do
- _execute_array
savepoints
_sql_maker_opts
_conn_pid