In response to Wes James :
> In the statement:
>
> select
> MAX(page_count_count) - MIN(page_count_count) as day_tot,
> MAX(page_count_count) as day_max, sum(MAX(page_count_count) -
> MIN(page_count_count)) as tot,
> page_count_pdate
> from page_count
> group by page_count_pdate order by page_count_pdate
>
> Is there a way to do sum(day_tot) also in the same statement?
Is this the correct table-definition?
test=# \d page_count Table "public.page_count" Column | Type | Modifiers
------------------+---------+-----------page_count_pdate | date |page_count_count | integer |
If yes, your SQL is wrong:
test=# select MAX(page_count_count) - MIN(page_count_count) as day_tot, MAX(page_count_count) as day_max,
sum(MAX(page_count_count)-
MIN(page_count_count)) as tot, page_count_pdate
from page_count
group by page_count_pdate order by page_count_pdate;
ERROR: aggregate function calls cannot be nested
LINE 3: MAX(page_count_count) as day_max, sum(MAX(page_count_cou...
Can you provide the correct table definition?
Regards, Andreas
--
Andreas Kretschmer
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