From: Joshua D. Drake <jd@commandprompt.com>
To: Dan Harris <fbsd@drivefaster.net>
Cc: pgsql-performance@postgresql.org
Subject: Re: Speedier count(*)
Date: Wed, 10 Aug 2005 17:23:39 -0700
Message-ID: <42FA9A8B.1040400@commandprompt.com> (raw)
In-Reply-To: <3E43C7D5-9DB8-4132-BF4F-607B000866E1@drivefaster.net>
References: <3E43C7D5-9DB8-4132-BF4F-607B000866E1@drivefaster.net>
> Also, I am using "select ... group by ... order by .. limit 1" to get
> the min/max since I have already been bit by the issue of min() max()
> being slower.
This specific instance is fixed in 8.1
Sincerely,
Joshua D. Drake
>
>
> -Dan
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
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To: pgsql-performance@postgresql.org
Cc: jd@commandprompt.com, fbsd@drivefaster.net
Subject: Re: Speedier count(*)
In-Reply-To: <42FA9A8B.1040400@commandprompt.com>
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