Re: Add on_error and log_verbosity options to file_fdw - Mailing list pgsql-hackers

From torikoshia
Subject Re: Add on_error and log_verbosity options to file_fdw
Date
Msg-id 70dc3a5091a81ffc8c3be367b4b55efc@oss.nttdata.com
Whole thread Raw
In response to Re: Add on_error and log_verbosity options to file_fdw  (Fujii Masao <masao.fujii@oss.nttdata.com>)
List pgsql-hackers
On 2024-10-03 18:03, Fujii Masao wrote:
> On 2024/10/03 13:23, Masahiko Sawada wrote:
>> On Tue, Oct 1, 2024 at 11:34 PM Fujii Masao 
>> <masao.fujii@oss.nttdata.com> wrote:
>>> 
>>> 
>>> On 2024/10/02 9:27, Masahiko Sawada wrote:
>>>> Sorry for being late in joining the review of this patch. Both 0001
>>>> and 0003 look good to me. I have two comments on the 0002 patch:
>>> 
>>> Thanks for the review!
>>> 
>>>> I think that while scanning a file_fdw foreign table with
>>>> log_verbosity='silent' the query is not interruptible.
>>> 
>>> You're right. I added CHECK_FOR_INTERRUPTS() in the retry loop.
>>> 
>>>> Also, we don't switch to the per-tuple memory context when retrying
>>>> due to a soft error. I'm not sure it's okay as in CopyFrom(), a
>>>> similar function for COPY command, we switch to the per-tuple memory
>>>> context every time before parsing an input line. Would it be
>>>> problematic if we switch to another memory context while parsing an
>>>> input line? In CopyFrom() we also call ResetPerTupleExprContext() 
>>>> and
>>>> ExecClearTuple() for every input, so we might want to consider 
>>>> calling
>>>> them for every input.
>>> 
>>> Yes, I've updated the patch based on your comment.
>>> Could you please review the latest version?
>> 
>> Thank you for updating the patch! All patches look good to me.
> 
> Thanks for the review! Pushed.

Fujii-san, Sawada-san,
Thanks for your review and modifications!


-- 
Regards,

--
Atsushi Torikoshi
NTT DATA Group Corporation



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