Re: Multivariate MCV stats can leak data to unprivileged users
От | Tomas Vondra |
---|---|
Тема | Re: Multivariate MCV stats can leak data to unprivileged users |
Дата | |
Msg-id | 20190615232428.eljebxllgkrxt72b@development обсуждение исходный текст |
Ответ на | Re: Multivariate MCV stats can leak data to unprivileged users (Tomas Vondra <tomas.vondra@2ndquadrant.com>) |
Список | pgsql-hackers |
On Thu, Jun 13, 2019 at 07:37:45PM +0200, Tomas Vondra wrote: > ... > >OK, attached are patches fixing the issues reported by you and John >Naylor, and squashing the parts into just two patches (catalog split and >pg_stats_ext). Barring objections, I'll push those tomorrow. > >I've renamed columns in the _data catalog from 'stx' to 'stxd', which I >think is appropriate given the "data" in catalog name. > >I'm wondering if we should change the examples in SGML docs (say, in >planstats.sgml) to use the new pg_stats_ext view, instead of querying the >catalogs directly. I've tried doing that, but I found the results less >readable than what we currently have (especially for the MCV list, where >it'd require matching elements in multiple arrays). So I've left this >unchanged for now. > I've pushed those changes, after adding docs for the pg_stats_ext view. regards -- Tomas Vondra http://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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