hello,
( select 'A' as x, id, price from tab where id = 'value' union all select 'B' as x, id, ... union all select 'C' as x, id, ... union all select 'D' as x, id, price from tab where id = 'value' ) generate a list like X id price A 1 10 B 2 20 C 3 30 D 4 40 select max (case when X = 'A' then id end ) as id_a, max (case when X = 'A' then price end ) as price_a, max (case when X = 'B' then id end ) as id_b, max (case when X = 'B' then price end ) as price_b, max (case when X = 'C' then id end ) as id_c, max (case when X = 'C' then price end ) as price_c, max (case when X = 'D' then id end ) as id_d, max (case when X = 'D' then price end ) as price_d from ( table_or_select_from_above ) --- not testet On 24.12.2012 17:30, JORGE MALDONADO wrote: > I have a record with the following fields: > > id1, id2, id3, id4, price1, price2, price3, price4 > > I would like to write a SELECT statement in order to get 4 records: > > id, price (record that comes from id1 and price 1) > id, price (record that comes from id2 and price 2) > id, price (record that comes from id3 and price 3) > id, price (record that comes from id4 and price 4) > > I will very much appreciate any suggestion. > > Respectfully, > Jorge Maldonado -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql