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77645d44e3
This was useful before widespread Unicode adoption, and was based on the internal encoding Emacs used to mix multiple sub-encodings. Emacs itself has stopped using it, and our implementation hadn't been updated with modern underlying standards. It is thought to be very unlikely that anyone is still using it in the field. Since such a complex encoding comes with costs and risks, we agreed to drop support. Any existing database using this encoding would need to be dumped and restored with a new encoding to upgrade to PostgreSQL 19, most likely UTF8, since pg_upgrade would fail. Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us> Reviewed-by: Tatsuo Ishii <ishii@postgresql.org> Reviewed-by: Jeff Davis <pgsql@j-davis.com> Discussion: https://postgr.es/m/CA%2BhUKGKXDXh-FdU0orjfv%2BF08f%3DD91BhV3Ra-4zL-q%2BJmGYqTA%40mail.gmail.com |
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