| From: | "tsunakawa(dot)takay(at)fujitsu(dot)com" <tsunakawa(dot)takay(at)fujitsu(dot)com> |
|---|---|
| To: | 'Justin Pryzby' <pryzby(at)telsasoft(dot)com>, Zhihong Yu <zyu(at)yugabyte(dot)com> |
| Cc: | Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru>, Amit Langote <amitlangote09(at)gmail(dot)com>, "tanghy(dot)fnst(at)fujitsu(dot)com" <tanghy(dot)fnst(at)fujitsu(dot)com>, Alexey Kondratov <a(dot)kondratov(at)postgrespro(dot)ru>, Michael Paquier <michael(at)paquier(dot)xyz>, Ashutosh Bapat <ashutosh(dot)bapat(at)2ndquadrant(dot)com>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com> |
| Subject: | RE: [POC] Fast COPY FROM command for the table with foreign partitions |
| Date: | 2021-03-23 05:05:48 |
| Message-ID: | TYAPR01MB2990124D4D859FE8C7E984C8FE649@TYAPR01MB2990.jpnprd01.prod.outlook.com |
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| Lists: | pgsql-hackers |
From: Justin Pryzby <pryzby(at)telsasoft(dot)com>
> On Mon, Mar 22, 2021 at 08:18:56PM -0700, Zhihong Yu wrote:
> > with data_dest_cb callback. It is used for send text representation of a
> > tuple to a custom destination.
> >
> > send text -> sending text
>
> I would say "It is used to send the text representation ..."
I took Justin-san's suggestion. (It feels like I'm in a junior English class...)
> It's actually a pointer:
> src/include/commands/copy.h:typedef struct CopyToStateData *CopyToState;
>
> There's many data structures like this, where a structure is typedefed with a
> "Data" suffix and the pointer is typedefed without the "Data"
Yes. Thank you for good explanation, Justin-san.
Regards
Takayuki Tsunakawa
| Attachment | Content-Type | Size |
|---|---|---|
| v22-0001-Fast-COPY-FROM-into-the-foreign-or-sharded-table.patch | application/octet-stream | 49.0 KB |
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