于2012年9月17日 12:47:11,Tom Lane写到:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
>> On Sun, Sep 16, 2012 at 09:48:58PM -0400, Tom Lane wrote:
>>> Well, that's even stranger, because (1) information_schema.sql_features
>>> ought to have a toast table in either version, and (2) neither pg_dump
>>> nor pg_upgrade ought to be attempting to dump or transfer that table.
>
>> I bet pg_upgrade is picking it up from the old cluster because it has an
>> oid >= FirstNormalObjectId and the table is not in the information
>> schema.
>
> If it *isn't* in information_schema, but is just some random table that
> happens to be named sql_features, then it's hard to explain why there's
> anything going wrong at all. My money is on the OP having done a reload
> of the information_schema (as per, eg, the release notes for 9.1.2), and
> somehow that's confusing pg_dump and/or pg_upgrade.
ah yes yes, now I can remember it! I have followed the release notes
and re-created the whole information_schema schema.
>
> regards, tom lane
>