Christopher Kings-Lynne <[EMAIL PROTECTED]> writes:
> Will we now have to be careful to NEVER re-use OIDs in the system catalogs.
No. The proposed pg_upgrade procedure doesn't try to reproduce OIDs of
catalog entries (other than toast-table OIDs, which are never
preassigned anyway), so there's no issue.
Good point though --- thanks for thinking about it.
regards, tom lane
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
