maria-developers team mailing list archive

[Sergei Golubchik <serg@xxxxxxxxxxx>]

Hi, Alexander,

Why haven't you used HASH?

On Jun 11, Alexander Barkov wrote:
> revision-id: 8c2c0e6079a (mariadb-10.9.1-13-g8c2c0e6079a)
> parent(s): 27fa5c10eff
> author: Alexander Barkov
> committer: Alexander Barkov
> timestamp: 2022-05-26 13:17:34 +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