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