Re: No hash join across partitioned tables?
От | Samuel Gendler |
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Тема | Re: No hash join across partitioned tables? |
Дата | |
Msg-id | AANLkTim3PgeBNsGujstuAD-Z+TPNgQ+7Ucw3Oy87hAAb@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: No hash join across partitioned tables? (Alvaro Herrera <alvherre@commandprompt.com>) |
Ответы |
Re: No hash join across partitioned tables?
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Список | pgsql-performance |
On Sat, Oct 16, 2010 at 8:29 AM, Alvaro Herrera <alvherre@commandprompt.com> wrote:
Yep. I inherited the architecture, though, and changing it hasn't been a high priority.
Excerpts from Samuel Gendler's message of sáb oct 16 02:35:46 -0300 2010:Hmm, I think you'd be better served by using LIKE instead of regular
> An issue with automatically analyzing the entire hierarchy is 'abstract'
> table definitions. I've got a set of tables for storing the same data at
> different granularities of aggregation. Within each granularity, I've got
> partitions, but because the set of columns is identical for each
> granularity, I've got an abstract table definition that is inherited by
> everything. I don't need or want statistics kept on that table because I
> never query across the abstract table, only the parent table of each
> aggregation granularity
inheritance.
--sam
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