Re: caculating while select - maybe sum ?

Nope, I mean:

a column from table:
1
2
7
4

select row1,  sum (row1 until current row) from table;

Result:
1 | 1
2 | 3
7 | 10
4 | 14

the second column is like sum()  of all the rows until/include this row.

Sorry for being ambigious

On Tuesday 05 February 2002 18:21, Frank Bax wrote:
> I'm not quite sure what you're asking for; but it shoulds like you want:
>     age(timestamp,timestamp) => interval
> For example:
> select age('2002-12-25',now());
>            age
> --------------------------
>  10 mons 19 days 12:30:28
> (1 row)
>
> Frank
>
> At 04:17 PM 2/5/02 +0200, Ben-Nes Michael wrote:
> >Hi All
> >
> >im trying to calculate hour usage so a typical row is: 1. enter time, 2.
> >exit time 3. sum() until this row
> >
> >Couldn't use sum() as it ask me to 'group by' which I don't want.
> >
> >Is there a way to add the previous row value to the current, per row ?
> >
> >example:
> >select row1, row2, (row1 + row2 until now) from table;
> >
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