Re: Query performance

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От Bill
Тема Re: Query performance
Дата
Msg-id 200406281702.i5SH2YfL013269@math.uchicago.edu
обсуждение исходный текст
Ответ на Re: Query performance  (Richard Huxton <dev@archonet.com>)
Ответы Re: Query performance
Список pgsql-performance
Ok....so here lies the output of oclh (i.e "\d oclh")

                    Table "public.oclh"
 Column |         Type          |           Modifiers
--------+-----------------------+-------------------------------
 symbol | character varying(10) | not null default ''
 date   | date                  | not null default '0001-01-01'
 open   | numeric(12,2)         | not null default '0.00'
 close  | numeric(12,2)         | not null default '0.00'
 low    | numeric(12,2)         | not null default '0.00'
 high   | numeric(12,2)         | not null default '0.00'
Indexes: symbol_2_oclh_index btree (symbol, date),
         symbol_oclh_index btree (symbol, date)

-----Original Message-----
From: pgsql-performance-owner@postgresql.org
[mailto:pgsql-performance-owner@postgresql.org] On Behalf Of Richard Huxton
Sent: Monday, June 28, 2004 4:14 AM
To: Bill
Cc: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] Query performance

Bill wrote:
> Actually, I have some queries that are slow, however I was wondering if
you
> could help me write a query that is rather simple, but I, as a true
database
> novice, can't seem to conjure.  So we have stocks, as I have previously
> said, and I have a huge table which contains all of the opening and
closing
> prices of some stocks from each day.

Schemas, Bill - show us your table definitions so people can see exactly
where they stand.


--
   Richard Huxton
   Archonet Ltd

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