code: func MySchema(args *internal.ArgType) (string, error) {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT SCHEMA()`
  
  	var schema string
  
  	// run query
  	models.XOLog(sqlstr)
  	err = args.DB.QueryRow(sqlstr).Scan(&schema)
  	if err != nil {
  		return "", err
  	}
  
  	return schema, nil
  }
docs: // MySchema retrieves the name of the current schema.