RE: Bad execution plan when joining partitioned tables

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От Jean-Marc Voillequin (MA)
Тема RE: Bad execution plan when joining partitioned tables
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Msg-id MN2PR20MB2735293EB9C9766F38222DAEBE83A@MN2PR20MB2735.namprd20.prod.outlook.com
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Ответ на Re: Bad execution plan when joining partitioned tables  (Richard Schmidlechner <richard.schmidlechner@elisanet.fi>)
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Hello,

 

analyze a ;

analyze b ;

 

May be sufficient, vacuum is not required.

 

Regards

 

From: Richard Schmidlechner <richard.schmidlechner@elisanet.fi>
Sent: Wednesday, November 29, 2023 4:17 PM
To: pgsql-sql@lists.postgresql.org
Subject: Re: Bad execution plan when joining partitioned tables

 

Hi, After updating db statistics the number of estimated rows has been correct VACUUM ANALYZE a; VACUUM ANALYZE b; ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍

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Hi,
 
After updating db statistics the number of estimated rows has been correct
 
VACUUM ANALYZE a;
VACUUM ANALYZE b;
 
 

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