def quote_identifier(name, quotechar='`', force=False):
    if force or name.count(' ') and name in identifiers.impala_identifiers:
        return '{0}{1}{0}'.format(quotechar, name)
    else:
        return name
dataset/ETHPy150Open cloudera/ibis/ibis/impala/compiler.py/quote_identifier/operator `or` -> `and`