Re: pgsql: Add support for base64url encoding and decoding

Op 9/20/25 om 23:24 schreef Daniel Gustafsson:
> Add support for base64url encoding and decoding
> 
> This adds support for base64url encoding and decoding, a base64
> variant which is safe to use in filenames and URLs.  base64url
> replaces '+' in the base64 alphabet with '-' and '/' with '_',
> thus making it safe for URL addresses and file systems.
> 
> Support for base64url was originally suggested by Przemysław Sztoch.
> 
> Author: Florents Tselai <florents.tselai@gmail.com>
> Reviewed-by: Aleksander Alekseev <aleksander@timescale.com>
> Reviewed-by: David E. Wheeler <david@justatheory.com>
> Reviewed-by: Masahiko Sawada <sawada.mshk@gmail.com>
> Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
> Reviewed-by: Chao Li (Evan) <li.evan.chao@gmail.com>
> Discussion: https://postgr.es/m/70f2b6a8-486a-4fdb-a951-84cef35e22ab@sztoch.pl
> 
> Branch
> ------
> master
> 
> Details
> -------
> https://git.postgresql.org/pg/commitdiff/e1d917182c1953b16b32a39ed2fe38e3d0823047
> 
> Modified Files
> --------------
> doc/src/sgml/func/func-binarystring.sgml |  19 ++++
> src/backend/utils/adt/encode.c           | 157 ++++++++++++++++++++++++++-----
> src/test/regress/expected/strings.out    | 150 +++++++++++++++++++++++++++++
> src/test/regress/sql/strings.sql         |  54 +++++++++++
> 4 files changed, 359 insertions(+), 21 deletions(-)

Hi,

doc/src/sgml/func/func-binarystring.sgml:
small typo:

The base64url alphabet use  should be
The base64url alphabet uses

Thanks,

Erik