exports.start = "SELECT file_name, lpad(file_offset::text, 8, '0') AS offset "
+ "FROM pg_xlogfile_name_offset(pg_start_backup($1))";
exports.stop = "SELECT file_name, lpad(file_offset::text, 8, '0') AS file_offset "
+ "FROM pg_xlogfile_name_offset( pg_stop_backup())";