Re: Broken HOT chains in system catalogs

Kevin Grittner <kevin.grittner@wicourts.gov>

From: "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
To: <pgsql-hackers@postgreSQL.org>,"Tom Lane" <tgl@sss.pgh.pa.us>
Date: 2011-04-15T19:28:55Z
Lists: pgsql-hackers
Tom Lane <tgl@sss.pgh.pa.us> wrote:
 
> This amounts to assuming that no new indexes get added to system
> catalogs after initdb, or at least not during concurrent
> operations wherein indcheckxmin would be important.
 
Sounds reasonable, but can we enforce it through locks rather than
assuming, or isn't there a clear way to do that without risking
deadlocks?
 
-Kevin