Re: Query performance
От | Bill |
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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
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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 ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
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