o k`@s ddlmZmZmZddZdS))TableColumnDatabaseManagercCs|d|dtdddtdtddd td td f}t|\}}||D]}||q-|d |d dS)NzM CREATE TEMPORARY TABLE session_old AS SELECT * FROM session zDROP TABLE sessionsession)sid authenticatedvar_name)keyrrint)typer var_valuez INSERT INTO session (sid,authenticated,var_name,var_value) SELECT sid,authenticated,var_name,var_value FROM session_old zDROP TABLE session_old)executerrr get_connectorto_sql)envvercursor session_table db_backend_stmtr4/usr/lib/python3/dist-packages/trac/upgrades/db15.py do_upgrades      rN)trac.dbrrrrrrrrs