On Fri, 11 Mar 2005 11:36 pm, Steven Verhoeven wrote:
> Hi all
>
> My table definition :
>
> id | fref | mref
> ------+-----------+----------
> 1 | 23 | 25
> 2 | 24 | 28
> 3 | 25 | 31
> 4 | 26 | 34
>
> My problem :
> i need a query that results in this :
>
> id | ref
> ------+----------
> 1 | 23
> 1 | 25
> 2 | 24
> 2 | 28
> 3 | 25
> 3 | 31
> 4 | 26
> 4 | 34
>
SELECT id, fref as ref FROM table
UNION ALL
SELECT id, mref as ref FROM table;
Should do the trick.
>
> Do I need a crosstab-query ?
> Who can help me ?
>
>
---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
