code: func PgReplicationOriginAdvance(db XODB, v0 string, v1 pgtypes.PgLsn) error {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT pg_catalog.pg_replication_origin_advance($1, $2)`
  
  	// run query
  	XOLog(sqlstr)
  	_, err = db.Exec(sqlstr)
  	return err
  }
docs: // PgReplicationOriginAdvance calls the stored procedure 'pg_catalog.pg_replication_origin_advance(text, pg_lsn) void' on db.