Re: "compressing" consecutive values into one

On Tue, Nov 23, 2010 at 03:31:59PM -0000, Oliveiros d'Azevedo Cristina wrote:
> Salut, Louis-David,
>
> Can you please state the columns belonging to price table
> and give a concrete example?
> Say, data before and data after you want to do?

Hi Cristina,

Data before:

id_price | price
----------------
1 | 23
3 | 45
4 | 45
6 | 45
8 | 45
9 | 89

Data after:

id_price | price
----------------
1 | 23
8 | 45
9 | 89

Thanks,