From: | Ashutosh Bapat <ashutosh(dot)bapat(at)enterprisedb(dot)com> |
---|---|
To: | Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp> |
Cc: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp>, Shigeru Hanada <shigeru(dot)hanada(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: inherit support for foreign tables |
Date: | 2014-06-30 08:47:29 |
Message-ID: | CAFjFpRcFdb1Xr5FkBjxWudnV0DuLr6i3Ue-wcNhU8d0h9=E2ag@mail.gmail.com |
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Lists: | pgsql-hackers |
I checked that it's reporting the right tableoid now.
BTW, why aren't you using the tlist passed to this function? I guess
create_scan_plan() passes tlist after processing it, so that should be used
rather than rel->reltargetlist.
On Mon, Jun 30, 2014 at 12:22 PM, Etsuro Fujita <fujita(dot)etsuro(at)lab(dot)ntt(dot)co(dot)jp
> wrote:
> (2014/06/24 16:30), Etsuro Fujita wrote:
>
>> (2014/06/23 18:35), Ashutosh Bapat wrote:
>>
>
> Selecting tableoid on parent causes an error, "ERROR: cannot extract
>>> system attribute from virtual tuple". The foreign table has an OID which
>>> can be reported as tableoid for the rows coming from that foreign table.
>>> Do we want to do that?
>>>
>>
>> No. I think it's a bug. I'll fix it.
>>
>
> Done. I think this is because create_foreignscan_plan() makes reference
> to attr_needed, which isn't computed for inheritance children. To aboid
> this, I've modified create_foreignscan_plan() to see reltargetlist and
> baserestrictinfo, instead of attr_needed. Please find attached an updated
> version of the patch.
>
>
> Sorry for the delay.
>
> Best regards,
> Etsuro Fujita
>
--
Best Wishes,
Ashutosh Bapat
EnterpriseDB Corporation
The Postgres Database Company
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