From d298b50a3b469c088bb40a4d36d38111b4cd574d Mon Sep 17 00:00:00 2001
From: Heikki Linnakangas
Date: Fri, 22 Mar 2013 13:02:59 +0200
Subject: Make pg_basebackup work with pre-9.3 servers, and add server version
check.
A new 'starttli' field was added to the response of BASE_BACKUP command.
Make pg_basebackup tolerate the case that it's missing, so that it still
works with older servers.
Add an explicit check for the server version, so that you get a nicer error
message if you try to use it with a pre-9.1 server.
The streaming protocol message format changed in 9.3, so -X stream still won't
work with pre-9.3 servers. I added a version check to ReceiveXLogStream()
earlier, but write that slightly differently, so that in 9.4, it will still
work with a 9.3 server. (In 9.4, the error message needs to be adjusted to
"9.3 or above", though). Also, if the version check fails, don't retry.
---
doc/src/sgml/ref/pg_basebackup.sgml | 6 ++++++
1 file changed, 6 insertions(+)
(limited to 'doc')
diff --git a/doc/src/sgml/ref/pg_basebackup.sgml b/doc/src/sgml/ref/pg_basebackup.sgml
index 578541a1e2a..9fe440a66de 100644
--- a/doc/src/sgml/ref/pg_basebackup.sgml
+++ b/doc/src/sgml/ref/pg_basebackup.sgml
@@ -520,6 +520,12 @@ PostgreSQL documentation
for all additional tablespaces must be identical whenever a backup is
restored. The main data directory, however, is relocatable to any location.
+
+
+ pg_basebackup works with servers of the same
+ or an older major version, down to 9.1. However, WAL streaming mode (-X
+ stream) only works with server version 9.3.
+
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