| From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Streaming replication and non-blocking I/O |
| Date: | 2009-12-16 03:28:26 |
| Message-ID: | 3f0b79eb0912151928w4002a79cu9616d310ab76dd93@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Dec 15, 2009 at 3:47 AM, Heikki Linnakangas
<heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
> Tom Lane wrote:
>> The very, very large practical problem with this is that if you decide
>> to change the behavior at any time, the only way to be sure that the WAL
>> receiver is using the right libpq version is to perform a soname major
>> version bump. The transformations done by libpq will essentially become
>> part of its ABI, and not a very visible part at that.
>
> Not having to change the libpq API would certainly be a big advantage.
Done; I replaced PQgetXLogData and PQputXLogRecPtr with PQgetCopyData and
PQputCopyData.
git://git.postgresql.org/git/users/fujii/postgres.git
branch: replication
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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