2009/11/15 Andrew Gierth :
>> "Hitoshi" == Hitoshi Harada writes:
>
> Hitoshi> Hi, During reviewing aggregates ORDER BY, I was reading spec
> Hitoshi> and found description like:
>
> Hitoshi> == snip ==
>
> Hitoshi> Of the rows in the aggregation, the following do not qualify:
> Hitoshi>
> "Hitoshi" == Hitoshi Harada writes:
Hitoshi> Hi, During reviewing aggregates ORDER BY, I was reading spec
Hitoshi> and found description like:
Hitoshi> == snip ==
Hitoshi> Of the rows in the aggregation, the following do not qualify:
Hitoshi> — If DISTINCT is specified, then redundan
Hi,
During reviewing aggregates ORDER BY, I was reading spec and found
description like:
== snip ==
Of the rows in the aggregation, the following do not qualify:
— If DISTINCT is specified, then redundant duplicates.
— Every row in which the evaluates to the null value.
== /snip ==
... and ar
