Did you mean WHERE in place of your first AND? If so I already had something
like this but it only returns one set, the oldest group of entries for each
On Sat, Jun 04, 2011 at 01:09:39PM -0700, Richard Broersma wrote:
> On Sat, Jun 4, 2011 at 12:15 PM, <lists-pgsql(at)useunix(dot)net> wrote:
> > I want to
> > select records grouped by ID, ordered by timestamp, in ascending order so I'm
> > starting with the oldest, that are at least X minutes apart.
> Here my guess:
> SELECT id, ts
> FROM Yourtable AS A
> AND NOT EXISTS ( SELECT *
> FROM Yourtable AS B
> WHERE B.id = A.id
> AND B.ts > A.ts - INTERVAL '5 MINUTES'
> AND B.tx < A.ts )
> ORDER BY id, ts;
> Richard Broersma Jr.
In response to
pgsql-sql by date
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|Subject: Re: selecting records X minutes apart|
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