On Mon, Feb 20, 2017 at 02:54:22PM -0800, Peter Geoghegan wrote:
> On Mon, Feb 20, 2017 at 2:38 PM, Bruce Momjian <br...@momjian.us> wrote:
> > I can't think of any cases where we warn of possible corruption only in
> > the server logs.
> It's just like any case where there was a bug in Postgres that could
> have subtly broken index builds. We don't make the next point release
> force users to REINDEX every possibly-affected index every time that
> happens. Presumably this is because they aren't particularly likely to
> be affected by any given bug, and because it's pretty infeasible for
> us to do so anyway. There aren't always easy ways to detect the
> problem, and users will never learn to deal with issues like this well
> when it is by definition something that should never happen.

Well, the release notes are a clear-enough communication for a need to
reindex.  I don't see a LOG message as similar.  Don't we have other
cases where we have to warn administrators?  We can mark the indexes as
invalid but how would we report that?

  Bruce Momjian  <br...@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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