Re: multivariate statistics v8
От | Robert Haas |
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Тема | Re: multivariate statistics v8 |
Дата | |
Msg-id | CA+TgmoZjZT69k9ZcA73kqa4FES8wiJUJSf3hTeCc0YXV5ARpeA@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: multivariate statistics v8 (Tomas Vondra <tomas.vondra@2ndquadrant.com>) |
Ответы |
Re: multivariate statistics v8
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Список | pgsql-hackers |
On Wed, Dec 23, 2015 at 2:07 PM, Tomas Vondra <tomas.vondra@2ndquadrant.com> wrote: > The remaining question is how unique the statistics name should be. > My initial plan was to make it unique within a table, but that of > course does not work well with the DROP STATISTICS (it'd have to > specify the table name also), and it'd also now work with statistics > on multiple tables (which is one of the reasons for abandoning ALTER > TABLE stuff). > > So I think it should be unique across tables. Statistics are hardly > a global object, so it should be unique within a schema. I thought > that simply using the schema of the table would work, but that of > course breaks with multiple tables in different schemas. So the only > solution seems to be explicit schema for statistics. That solution seems good to me. (with apologies for not having looked at the rest of this much at all) -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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