code: func Spgbuildempty(db XODB, v0 pgtypes.Internal) error {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT pg_catalog.spgbuildempty($1)`
  
  	// run query
  	XOLog(sqlstr)
  	_, err = db.Exec(sqlstr)
  	return err
  }
docs: // Spgbuildempty calls the stored procedure 'pg_catalog.spgbuildempty(internal) void' on db.