Ashutosh Bapat <ashutosh.ba...@enterprisedb.com> writes:
> Sorry to come to this late.
> The userid being printed is from UserMapping. The new API
> GetUserMappingById() allows an FDW to get user mapping by its OID. This API
> is intended to be used by FDWs to fetch the user mapping inferred by the
> core for given join between foreign relations. In such user mapping object
> , userid may be -1 for a public user mapping.
If that is actually how it works, it's broken and I'm going to insist
on a redesign. There is nothing anywhere that says that 0xffffffff
is not a valid OID.
regards, tom lane
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