Re: Bad Data back Door

On 10/08/2012 02:13 PM, Tom Lane wrote:
> "David E. Wheeler" <david@justatheory.com> writes:
>> On Oct 5, 2012, at 6:12 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>> Now, having said that, I think it has to be the reponsibility of the FDW
>>> to apply any required check ... which makes this a bug report against
>>> oracle_fdw, not the core system.  (FWIW, contrib/file_fdw depends on the
>>> COPY code, which will check encoding.)
>> FWIW, I believe that dblink does not check encoding.
> In dblink's case, that boils down to trusting a remote instance of
> Postgres to get this right, which doesn't seem totally unreasonable.
> But I wouldn't object to adding checks there if someone wanted to submit
> a patch.

It does do:
    PQsetClientEncoding(conn, GetDatabaseEncodingName());


I'd be mildly reluctant to do anything more except possibly as an 
option, unless it could be shown to have minimal performance impact.

cheers

andrew