From: Tom Lane <tgl@sss.pgh.pa.us>
To: dmota@nexen.com.br
Cc: pgsql-performance@postgresql.org
Subject: Re: Query performance problem
Date: Fri, 20 Aug 2004 12:34:48 -0400
Message-ID: <22878.1093019688@sss.pgh.pa.us> (raw)
In-Reply-To: <002201c486d2$4fbe4420$8afea8c0@nexen.lan>
References: <002201c486d2$4fbe4420$8afea8c0@nexen.lan>
"Danilo Mota" <dmota@nexen.com.br> writes:
> SELECT
> rc.pkcliente
> FROM r_cliente AS rc
> INNER JOIN sav_cliente_lg AS sc ON sc.cpfcnpj = sc.cpfcnpj;
Surely you meant
INNER JOIN sav_cliente_lg AS sc ON rc.cpfcnpj = sc.cpfcnpj;
I would also venture that your statistics are desperately out of date,
because if the planner's estimates are close to reality, even this
unconstrained-cross-product join shouldn't have taken that long.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, dmota@nexen.com.br
Subject: Re: Query performance problem
In-Reply-To: <22878.1093019688@sss.pgh.pa.us>
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