Re: Select values by interval

Markus Wolters <MarkusWolters@gmx.de> wrote:

> Hi all,
> 
> I have a table with value and timestamp columns. What I like to do (but am unable to find a solution) is to select
thelast(value) timestamp combination in every X minute interval where timestamp is between N and M. Is this possible
withpgsql?
 
> 

maybe somethink like

select *, row_number() over (partition by to_char(timestamp, 'yyyy-mm-dd
hh24:mm') order by ... desc) ...


and then pick all with row_number = 1

*untested* 


Andreas
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