Re: No hash join across partitioned tables? - Mailing list pgsql-performance

From Samuel Gendler
Subject Re: No hash join across partitioned tables?
Date
Msg-id AANLkTim3PgeBNsGujstuAD-Z+TPNgQ+7Ucw3Oy87hAAb@mail.gmail.com
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In response to Re: No hash join across partitioned tables?  (Alvaro Herrera <alvherre@commandprompt.com>)
Responses Re: No hash join across partitioned tables?
List pgsql-performance

On Sat, Oct 16, 2010 at 8:29 AM, Alvaro Herrera <alvherre@commandprompt.com> wrote:
Excerpts from Samuel Gendler's message of sáb oct 16 02:35:46 -0300 2010:

> 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

Hmm, I think you'd be better served by using LIKE instead of regular
inheritance.


Yep.  I inherited the architecture, though, and changing it hasn't been a high priority.
 
--sam

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