| From: | Simon Riggs <simon(at)2ndquadrant(dot)com> |
|---|---|
| To: | Amit Langote <Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> |
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [HACKERS] INSERT ON CONFLICT and partitioned tables |
| Date: | 2017-12-01 02:27:45 |
| Message-ID: | CANP8+jL_BD15fAGYrD9cT3Qb85G7sU-eX6EhTK3RWVRgeWiucQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 24 November 2017 at 13:45, Amit Langote
<Langote_Amit_f8(at)lab(dot)ntt(dot)co(dot)jp> wrote:
>> Why? There is no caller that needs information.
>
> It is to be used if and when ExecInsert() calls
> ExecCheckIndexConstraints() in the code path to handle ON CONFLICT DO
> NOTHING that we're intending to support in some cases. Note that it will
> only check conflicts for the individual leaf partitions using whatever
> constraint-enforcing indexes they might have.
So we should have 2 patches. One for now that does DO NOTHING and
another that adds the change that depends upon Alvaro's work.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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