Re: [HACKERS] Fix dumping pre-10 DBs by pg_dump10 if table "name" exists

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От Vitaly Burovoy
Тема Re: [HACKERS] Fix dumping pre-10 DBs by pg_dump10 if table "name" exists
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Msg-id CAKOSWNmKYyRv9B6Jh8q2gWYnFkPGGxeO107hc+Zt7oE2Ley+Fg@mail.gmail.com
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Ответ на Re: [HACKERS] Fix dumping pre-10 DBs by pg_dump10 if table "name" exists  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: [HACKERS] Fix dumping pre-10 DBs by pg_dump10 if table "name" exists  (Tom Lane <tgl@sss.pgh.pa.us>)
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On 10/31/17, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Vitaly Burovoy <vitaly.burovoy@gmail.com> writes:
>> Recently my colleagues found a bug.
>
>> -                          "SELECT 'bigint'::name AS sequence_type, "
>> +                          "SELECT 'bigint'::pg_catalog.name AS sequence_type,
>
> Good catch, but I think we could simplify this by just omitting the cast
> altogether:
>
> -                          "SELECT 'bigint'::name AS sequence_type, "
> +                          "SELECT 'bigint' AS sequence_type,
>
> pg_dump doesn't particularly care whether the column comes back marked
> as 'name' or 'text' or 'unknown'.
>
>             regards, tom lane

OK, just for convenience I'm attaching your version of the fix.
I left an other "NULL::name AS rolname" at
src/bin/pg_dump/pg_dump.c:2978 because can't check (remoteVersion <
90000) it and it is under strict "selectSourceSchema(fout,
"pg_catalog");" schema set.

--
Best regards,
Vitaly Burovoy

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