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Date: Fri, 17 Jun 2016 11:43:11 -0400
From: Bruce Momjian <bruce@momjian.us>
To: PostgreSQL-documentation <pgsql-docs@postgresql.org>
Subject: Pg_upgrade and collation
Message-ID: <20160617154311.GB19359@momjian.us>
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The attached patch documents that pg_upgrade requires old/new servers to
use compatibile collation library versions as well.

I would like to apply this to all PG branches.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I. As I am, so you will be. +
+                     Ancient Roman grave inscription +

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diff --git a/doc/src/sgml/ref/pgupgrade.sgml b/doc/src/sgml/ref/pgupgrade.sgml
new file mode 100644
index b99e546..3957241
*** a/doc/src/sgml/ref/pgupgrade.sgml
--- b/doc/src/sgml/ref/pgupgrade.sgml
***************
*** 61,67 ****
    checking for compatible compile-time settings, including 32/64-bit
    binaries.  It is important that
    any external modules are also binary compatible, though this cannot
!   be checked by <application>pg_upgrade</>.
   </para>
  
    <para>
--- 61,68 ----
    checking for compatible compile-time settings, including 32/64-bit
    binaries.  It is important that
    any external modules are also binary compatible, though this cannot
!   be checked by <application>pg_upgrade</>.  Compatible collation
!   library versions must also be used.
   </para>
  
    <para>

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