On Sat, Jul 2, 2016 at 05:39:51PM +0200, Christoph Berg wrote: > Re: Bruce Momjian 2016-07-02 <[email protected]> > > doc: mention dependency on collation libraries > > > > Document that index storage is dependent on the operating system's > > collation library ordering, and any change in that ordering can create > > invalid indexes. > > Shouldn't this mention that OS upgrades are a possible problem as > well? We've seen the de_DE.UTF-8 ordering break in RHEL 5->6, and > again in 6->7. (5 and 7 are compatible.) The problematic strings were > "999" and "9-9-9". > > (German writeup: > http://www.credativ.de/blog/postgresql-und-inkompatible-deutsche-spracheigenschaften-centosrhel)
Yes, we can do that. Do you have suggested wording? I was not sure how to tell people anything related to collation versions. -- Bruce Momjian <[email protected]> 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 + -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
