Re: [HACKERS] Happy column dropping

Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Because you want to have multiple versions of a table with the same name
> and table oid.  We don't have to have the oid equal the oid of the
> table.  Just use any oid to append to the table name for versioning.

That'd do for versioning, but what about a plain table-renaming
operation?  We aren't making a new file in that case, and we still
want to avoid rename().

			regards, tom lane