Search Postgresql Archives

Re: Inaccurate row count estimation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: "Vyacheslav Kalinin" <vka@xxxxxxxx>
Subject: Re: Inaccurate row count estimation
From: Tom Lane <tgl@xxxxxxxxxxxxx>
Date: Wed, 09 Jul 2008 23:26:14 -0400
Cc: PGSQL <pgsql-general@xxxxxxxxxxxxxx>
Comments: In-reply-to "Vyacheslav Kalinin" <vka@xxxxxxxx> message dated "Wed, 09 Jul 2008 20:54:20 +0400"
In-reply-to: <9b1af80e0807090954v3b830462m67599a2d8f9b9047@xxxxxxxxxxxxxx>

"Vyacheslav Kalinin" <vka@xxxxxxxx> writes:
> How come that outermost join expects 1515 rows given the row estimations of
> the inner and outer nested loop's parts?

I couldn't reproduce such a problem.  What PG version are you running?

			regards, tom lane

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Follow-Ups:
- Re: Inaccurate row count estimation
  - From: Vyacheslav Kalinin

References:
- Inaccurate row count estimation
  - From: Vyacheslav Kalinin

Prev by Date: Re: SELECT Query returns empty
Next by Date: Re: SELECT Query returns empty
Previous by thread: Inaccurate row count estimation
Next by thread: Re: Inaccurate row count estimation
Index(es):
- Date
- Thread

[Index of Archives] [Postgresql Jobs] [Postgresql Admin] [Postgresql Performance] [Linux Clusters] [PHP Home] [PHP on Windows] [Kernel Newbies] [PHP Classes] [PHP Books] [PHP Databases] [Postgresql & PHP] [Yosemite]

Powered by Linux