def get_all_columns(self):
    'Get all columns for all tables / views'
    sql_tmpl = self._template('metadata.all_columns')
    if (not sql_tmpl):
        raise Exception('get_all_columns not implemented for {}'.format(self.type))
    rows = self.query(sql_tmpl)
    return rows
Get all columns for all tables / views
def get_all_columns(self):
    
    sql_tmpl = self._template('metadata.all_columns')
    if (not sql_tmpl):
        raise Exception('get_all_columns not implemented for {}'.format(self.type))
    rows = self.query(sql_tmpl)
    return rows