>
>>
>>> rawi writes:
>>> The Error was caused because I used UNION in place of UNION ALL.
>>>
>>> I still don't understand why the ARRAY (path) could not be grouped...
>>
>> Yeah, it's an unimplemented feature --- there's no hashing support for
>> arrays. I hope to get that done for 8.5. In
>> rawi writes:
> The Error was caused because I used UNION in place of UNION ALL.
>
> I still don't understand why the ARRAY (path) could not be grouped...
Yeah, it's an unimplemented feature --- there's no hashing support for
arrays. I hope to get that done for 8.5. In the meantime you have
