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From: Susanne Ebrecht <susanne@2ndQuadrant.com>
To: pgsql-sql@postgresql.org <pgsql-sql@postgresql.org>
Subject: Re: pattern matching with dates?
Date: Fri, 07 Jan 2011 13:39:47 +0100
Message-ID: <4D270993.302@2ndQuadrant.com> (raw)
In-Reply-To: <FA041D403EDFCD4397E1F6382360ECFCFDB5697143@SVCMCEMAIL.svcmc.svcmcny.org>
References: <FA041D403EDFCD4397E1F6382360ECFCFDB5697143@SVCMCEMAIL.svcmc.svcmcny.org>

Hello Thomas,

On 05.01.2011 20:39, Good, Thomas wrote:
> select * from db_log where log_date LIKE '2011-01-%';

The lazy way would be something like this:
SELECT * from tab WHERE log_date::VARCHAR LIKE '2011-01-%';

The more proper way is:
  SELECT * from tab WHERE EXTRACT(YEAR FROM log_date) = 2011 and 
EXTRACT(MONTH FROM log_date) = 1;

Susanne

-- 
Susanne Ebrecht - 2ndQuadrant
PostgreSQL Development, 24x7 Support, Training and Services
www.2ndQuadrant.com




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