"=?iso-8859-1?Q?H=E9lder_M._Vieira?=" <[EMAIL PROTECTED]> writes:
> If max() operates on a 'varchar' type column, the result appears with 'text'
> type.
> Should I expect this behaviour in the current and later versions ?
This is true of just about everything, not only max() -- there are *no*
functions yielding varchar in recent PG releases.
regards, tom lane
---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
