"Jim C. Nasby" <[EMAIL PROTECTED]> writes:
> On Mon, Dec 12, 2005 at 06:26:37PM -0500, Tom Lane wrote:
>> No. Avoiding that would require a new approach to
>> vacuum-vs-ordinary-indexscan interlocking, so it won't happen until
>> someone has a Bright Idea (tm).
> Plus there is a TODO to only vacuum pages that are known to have dead
> tuples, which should hopefully mean no more index-scans during vacuum as
> well.
No such luck. You delete any tuples, you need to scan the indexes.
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
