Don Seiler <don@seiler.us> writes:
> Actually, would I need to re-index on text columns that we know contain
> UUID strings? UUID characters seem to be pretty basic alphanumeric ASCII
> characters.
I think you're all right with respect to those, since they're the
same under any encoding. It's columns containing non-ASCII characters
that you'd want to worry about reindexing.
regards, tom lane