Bruno Wolff III <[EMAIL PROTECTED]> writes: > > Whereas it shouldn't be hard to prove that this is equivalent: > > > > stark=> explain select col1 from test group by upper(col1),col1 order by > > upper(col1); > > QUERY PLAN > > --------------------------------------------------------------------- > > Group (cost=88.50..98.23 rows=200 width=32) > > -> Sort (cost=88.50..91.58 rows=1230 width=32) > > Sort Key: upper(col1), col1 > > -> Seq Scan on test (cost=0.00..25.38 rows=1230 width=32) > > (4 rows) > > I don't think you can assume that that will be true for any locale. If there > are two different characters that both have the same uppercase version, this > will break things.
No it won't. -- greg ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
