Re: JOIN

>>        SELECT SUM(A.count),
>>                      A.theme,
>>                       A.receiver,
>>                      A.dates
>>           FROM my_table A
>> INNER JOIN my_table B
>>               ON A.theme=B.theme
>>             AND A.receiver=B.receiver
>>             AND A.date=ANY(B.dates)
>>  GROUP BY A.theme,A.receiver, A.dates;
[snip]
>>
>> The result is wrong. I don't know what it is wrong at my query.
>> Please help.

You don't actually say what's wrong. What are you expecting as output?

Oh, and your "date" column isn't - it's a timestamp with time-zone. That
might or might not cause confusion with daylight-saving-times.