"Jim C. Nasby" <[EMAIL PROTECTED]> writes:
> On Tue, Nov 01, 2005 at 05:40:35PM -0500, Tom Lane wrote:
>> Maybe if we had a few other datatypes that could also use the feature.
>> [ thinks... ] inet/cidr comes to mind but I don't see any others.
>> The case seems a bit weak :-(
> Would varchar(255) fit into that case?
That's attractive at first thought, but not when you stop to consider
that most of the string-datatype support is built around the assumption
that text, varchar, and char share the same underlying representation.
You'd have to write a whole bunch of new code to support such a
datatype.
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
