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[Sergei Golubchik <serg@xxxxxxxxxxx>]

Hi, Alexander,

that ok, up to you.
I'm not looking into the strings/ctype*c code.

On Mar 14, Alexander Barkov wrote:
> revision-id: 6a3201d3769 (mariadb-10.6.1-336-g6a3201d3769)
> parent(s): 49ecf935415
> author: Alexander Barkov
> committer: Alexander Barkov
> timestamp: 2022-02-28 14:05:08 +0400
> message:
> 
> MDEV-27265 Improve contraction performance in UCA collations
> 
> Adding a hash table for contractions.
> 
> The old code iterated through all items in MY_CONTRACTIONS,
> and was much slower, especially for those contractions
> in the end of the list.

Regards,
Sergei
VP of MariaDB Server Engineering
and security@xxxxxxxxxxx