Jeff Davis wrote:
> > col LIKE 'smith%' collate "nd"
> >
> > is equivalent to:
> >
> > col >= 'smith' collate "nd" AND col < U&'smith\ffff' collate "nd"
>
> That logic seems to assume something about the collation. If you have a
> collation that orders strings by their sha256 hash, that would entirely
> break the connection between prefixes and ranges, and it wouldn't work.
Indeed I would not trust this trick to work outside of ICU collations.
Best regards,
--
Daniel Vérité
https://postgresql.verite.pro/
Twitter: @DanielVerite
