Kevin Seghetti <[EMAIL PROTECTED]> writes:
> Is there any way to nuke pg_statistic (since its contents can be
> recalculated anyway?)

You want to do "TRUNCATE pg_statistic"; to avoid the permission check,
you'll need to do that in a standalone backend with -O option.

Do *not* try to drop and recreate it --- its OID is hardwired into
various places.

                        regards, tom lane

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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

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