From: | Robert Haas <rhaas(at)postgresql(dot)org> |
---|---|
To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
Subject: | pgsql: Flexible options for CREATE_REPLICATION_SLOT. |
Date: | 2021-10-05 16:54:02 |
Message-ID: | E1mXnha-0006KR-U1@gemulon.postgresql.org |
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Lists: | pgsql-committers |
Flexible options for CREATE_REPLICATION_SLOT.
Like BASE_BACKUP, CREATE_REPLICATION_SLOT has historically used a
hard-coded syntax. To improve future extensibility, adopt a flexible
options syntax here, too.
In the new syntax, instead of three mutually exclusive options
EXPORT_SNAPSHOT, USE_SNAPSHOT, and NOEXPORT_SNAPSHOT, there is now a single
SNAPSHOT option with three possible values: 'export', 'use', and 'nothing'.
This commit does not remove support for the old syntax. It just adds
the new one as an additional option, makes pg_receivewal,
pg_recvlogical, and walreceiver processes use it.
Patch by me, reviewed by Fabien Coelho, Sergei Kornilov, and
Fujii Masao.
Discussion: http://postgr.es/m/CA+TgmobAczXDRO_Gr2euo_TxgzaH1JxbNxvFx=HYvBinefNH8Q@mail.gmail.com
Discussion: http://postgr.es/m/CA+TgmoZGwR=ZVWFeecncubEyPdwghnvfkkdBe9BLccLSiqdf9Q@mail.gmail.com
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/0266e98c6b865246c3031bbf55cb15f330134e30
Modified Files
--------------
doc/src/sgml/protocol.sgml | 37 +++++++++----
.../libpqwalreceiver/libpqwalreceiver.c | 61 +++++++++++++++++-----
src/backend/replication/repl_gram.y | 35 +++++++------
src/backend/replication/walsender.c | 40 +++++++-------
src/bin/pg_basebackup/streamutil.c | 40 +++++++++++---
5 files changed, 150 insertions(+), 63 deletions(-)
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