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) Christoph -- Sent via pgsql-committers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-committers
