Re: generating the average 6 months spend excluding first orders

On Wed, Nov 26, 2014 at 10:37 AM, Ron256 [via PostgreSQL] <
ml-node+s1045698n5828381h35(at)n5(dot)nabble(dot)com> wrote:

> David,
>
> Please I need your help on getting the first time buyer.
>
> I am using the following query but I am getting incorrect results
>
>
> with cte as
> (select *,
> row_number() OVER( partition by persistent_key_str order by
> ord_submitted_date) RN
> from orders )
> select *
> from cte where rn = 1
>
> When you use this persistent_key_str = '01000217334' I get incorrect
> results.
>
> How can I resolve this?
>

​Unless you tell us what you think the correct result should be it is
impossible to know whether it is the result or your expectation that is
incorrect.

It would also help to modify your query instead of simply saying "when you
use this persistent_key_str = '...'"; show us the query that makes use of
that detail.

David J.
​

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