"Daniel Westermann (DWE)" <daniel(dot)westermann(at)dbi-services(dot)com> writes:
>> The sample data you showed seemed to only involve numeric-ish strings,
>> which would be highly unlikely to change sort order across locale
>> updates. But maybe there are weirder entries elsewhere in the column?
> I can probably provide a dump, but I've to ask. Would that help?
I wasn't volunteering to check the data for you ;-), just suggesting
that you might find it interesting to do so yourself.
regards, tom lane