Hi Sergey! >> In the best >> case scenario, I think this could enable InnoDB to use its page directory >> to skip past some of the keys, improving the performance from O(n) to O(log >> n). > > Agree. > If the scans being merged produce data with non-overlapping rowid ranges, > then things could be sped up. I'm just wondering how often this is the case > in practice. Do you have any thoughts this?
In case of a ecommerce solution using a Faceted Search, it happens really often! Usually users are moving away the Search part from MySQL to ElasticSearch / Algolia because the index merge performance is really poor. If we have this missing feature, it could improve a lot performances of such cases! BR, Jocelyn Fournier _______________________________________________ Mailing list: https://launchpad.net/~maria-developers Post to : firstname.lastname@example.org Unsubscribe : https://launchpad.net/~maria-developers More help : https://help.launchpad.net/ListHelp