On Thu, Dec 12, 2019 at 08:35:53AM -0500, Tom Lane wrote: > C collation basically devolves to strcmp/memcmp, which are as standard > and well-defined as can be. If you're happy with the way it sorts > things then there's no reason not to use it. So that's the collation to use when "technical" sorting is required (say, when uniqueness does not depend on the notion of culturally equivalent characters). > It's actually all the *other* collations where you should worry about > their behavior being a moving target :-(. But then that is to be expected. Thanks, Karsten -- GPG 40BE 5B0E C98E 1713 AFA6 5BC0 3BEA AC80 7D4F C89B