No longer possible to query catalogs for index capabilities?

From: Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>
To: pgsql-hackers(at)postgresql(dot)org
Subject: No longer possible to query catalogs for index capabilities?
Date: 2016-07-25 13:38:14
Message-ID: 87mvl5on7n.fsf@news-spur.riddles.org.uk
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With the gutting of pg_am in 9.6, there seems to be no longer any way
for a query of the system catalogs to discover any of the index
capabilities that were formerly columns in pg_am (notably amcanorder,
amcanorderbyop, amclusterable, amsearcharray, amsearchnulls).

Am I missing something or is this a significant oversight?

--
Andrew (irc:RhodiumToad)

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