collations in shared catalogs?

From: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
To: pgsql-hackers(at)postgresql(dot)org
Subject: collations in shared catalogs?
Date: 2015-02-25 16:41:15
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So while helping someone with an unrelated issue, I did a quick query to
look for collation-dependent indexes, and was rather shocked to find
that not only are there two such in the system catalogs, both set to
"default" collation, but that one of them is in a _shared_ catalog

How did that happen? And how could it possibly work?

Andrew (irc:RhodiumToad)


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