code: func Length(db XODB, v0 []byte, v1 string, v2 pgtypes.Lseg, v3 pgtypes.Path, v4 string, v5 uint8, v6 pgtypes.Tsvector, v7 []byte, v8 pgtypes.Name) (int, error) {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT pg_catalog.length($1, $2, $3, $4, $5, $6, $7, $8, $9)`
  
  	// run query
  	var ret int
  	XOLog(sqlstr, v0, v1, v2, v3, v4, v5, v6, v7, v8)
  	err = db.QueryRow(sqlstr, v0, v1, v2, v3, v4, v5, v6, v7, v8).Scan(&ret)
  	if err != nil {
  		return 0, err
  	}
  
  	return ret, nil
  }
docs: // Length calls the stored procedure 'pg_catalog.length(bytea, text, lseg, path, character, bit, tsvector, bytea, name) integer' on db.