Gregory Stark <[EMAIL PROTECTED]> writes:
> "Kenneth Marshall" <[EMAIL PROTECTED]> writes:
>> - What about multi-column indexes? The current implementation
>> only supports 1 column.
> That seems kind of weird. It seems obvious that you mix the three hashes
> together which reduces it to the solved problem.
No, because part of the deal is that you can do lookups using only the
leading index columns. At least, all the existing multicolumn index
types can do that.
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
