| From: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
|---|---|
| To: | "tsunakawa(dot)takay(at)fujitsu(dot)com" <tsunakawa(dot)takay(at)fujitsu(dot)com> |
| Cc: | Masahiro Ikeda <ikedamsh(at)oss(dot)nttdata(dot)com>, Zhihong Yu <zyu(at)yugabyte(dot)com>, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, "ashutosh(dot)bapat(dot)oss(at)gmail(dot)com" <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, "amit(dot)kapila16(at)gmail(dot)com" <amit(dot)kapila16(at)gmail(dot)com>, "m(dot)usama(at)gmail(dot)com" <m(dot)usama(at)gmail(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "sulamul(at)gmail(dot)com" <sulamul(at)gmail(dot)com>, "alvherre(at)2ndquadrant(dot)com" <alvherre(at)2ndquadrant(dot)com>, "thomas(dot)munro(at)gmail(dot)com" <thomas(dot)munro(at)gmail(dot)com>, "ildar(at)adjust(dot)com" <ildar(at)adjust(dot)com>, "horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp" <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, "chris(dot)travers(at)adjust(dot)com" <chris(dot)travers(at)adjust(dot)com>, "robertmhaas(at)gmail(dot)com" <robertmhaas(at)gmail(dot)com>, "ishii(at)sraoss(dot)co(dot)jp" <ishii(at)sraoss(dot)co(dot)jp> |
| Subject: | Re: Transactions involving multiple postgres foreign servers, take 2 |
| Date: | 2021-06-04 11:08:38 |
| Message-ID: | CAD21AoAXe7WowA78xKETY6uYsA=1BLLfowHP54QibQhDMybTCQ@mail.gmail.com |
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On Fri, Jun 4, 2021 at 5:59 PM tsunakawa(dot)takay(at)fujitsu(dot)com
<tsunakawa(dot)takay(at)fujitsu(dot)com> wrote:
>
> From: Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>
> > On Fri, Jun 4, 2021 at 5:04 PM tsunakawa(dot)takay(at)fujitsu(dot)com
> > <tsunakawa(dot)takay(at)fujitsu(dot)com> wrote:
> > > Why does the user have to get an error? Once the local transaction has been
> > prepared, which means all remote ones also have been prepared, the whole
> > transaction is determined to commit. So, the user doesn't have to receive an
> > error as long as the local node is alive.
> >
> > I think we should neither ignore the error thrown by FDW code nor
> > lower the error level (e.g., ERROR to WARNING).
>
> Why? (Forgive me for asking relentlessly... by imagining me as a cute 7-year-old boy/girl asking "Why Dad?")
I think we should not reinterpret the severity of the error and lower
it. Especially, in this case, any kind of errors can be thrown. It
could be such a serious error that FDW developer wants to report to
the client. Do we lower even PANIC to a lower severity such as
WARNING? That's definitely a bad idea. If we don’t lower PANIC whereas
lowering ERROR (and FATAL) to WARNING, why do we regard only them as
non-error?
Regards,
--
Masahiko Sawada
EDB: https://www.enterprisedb.com/
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