Re: Collation version tracking for macOS

Thomas Munro <thomas.munro@gmail.com>

From: Thomas Munro <thomas.munro@gmail.com>

To: Rod Taylor <rbt@rbt.ca>

Cc: Tom Lane <tgl@sss.pgh.pa.us>, Jim Nasby <nasbyj@amazon.com>, Jeremy Schneider <schneider@ardentperf.com>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2022-06-07T19:31:19Z

Lists: pgsql-hackers

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Fix copy&paste typo in comment
- 402388946fb3 17.0 cited

On Wed, Jun 8, 2022 at 3:58 AM Rod Taylor <rbt@rbt.ca> wrote:
> Is this more involved than creating a list of all valid Unicode characters (~144 thousand), sorting them, then running crc32 over the sorted order to create the "version" for the library/collation pair? Far from free but few databases use more than a couple different collations.

Collation rules have multiple levels and all kinds of quirks, so that
won't work.