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Re: Query performance

From: "Bill" <bill(at)math(dot)uchicago(dot)edu>
To: <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Query performance
Date: 2004-06-28 17:02:40
Message-ID: 200406281702.i5SH2YfL013269@math.uchicago.edu (view raw or flat)
Thread:
Lists: 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(at)postgresql(dot)org
[mailto:pgsql-performance-owner(at)postgresql(dot)org] On Behalf Of Richard Huxton
Sent: Monday, June 28, 2004 4:14 AM
To: Bill
Cc: pgsql-performance(at)postgresql(dot)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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