Re: [SQL] Subselect returning 2 columns

2004-05-06 Thread Tom Lane
Francesc Leveque <[EMAIL PROTECTED]> writes: > Is correct to do something like?: > SELECT row1,row2 FROM mytable > WHERE (row1,row3) IN > (SELECT row1 as p1,MAX(row3) as p2 FROM mytable > WHERE row3 <= current_date > GROUP BY row1) Sure. > I mean, I don't see documentation about subselects retur

[SQL] Subselect returning 2 columns

2004-05-06 Thread Francesc Leveque
Hello, Is correct to do something like?: SELECT row1,row2 FROM mytable WHERE (row1,row3) IN (SELECT row1 as p1,MAX(row3) as p2 FROM mytable WHERE row3 <= current_date GROUP BY row1) I mean, I don't see documentation about subselects returning more than one column, but it seems to work... Thanks,