Dennis Volodomanov <i...@psunrise.com> wrote:
> Let's say I've got this query:
>
> SELECT * FROM (SELECT * FROM Data WHERE PlotOnGraph=1 ORDER BY Date
> ASC) LIMIT ?2 OFFSET ?1
Why an extra layer? Why not just
SELECT * FROM Data WHERE PlotOnGraph=1 ORDER BY Date ASC
LIMIT ?2 OFFSET ?1
> and let's say, "Data" has an "ID" field (primary index).
>
> Is it possible to find out the *position* in the returned result set
> of a Data with a given ID?
select count(*) from Data
where PlotOnGraph=1
and Date < (select Date from Data where ID=?);
Igor Tandetnik
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