Re: Explain returns different number of rows - Mailing list pgsql-general

From Christophe Pettus
Subject Re: Explain returns different number of rows
Date
Msg-id 6B906119-82AD-49FC-A47D-8652FD03D936@thebuild.com
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In response to Explain returns different number of rows  (Vince McMahon <sippingonesandzeros@gmail.com>)
Responses Re: Explain returns different number of rows
List pgsql-general

> On Oct 20, 2022, at 09:52, Vince McMahon <sippingonesandzeros@gmail.com> wrote:
> The number of rows are different.

This isn't unexpected.  EXPLAIN does not actually run the query and determine how many rows are returned; it calculates
anestimate based on the current system statistics, which vary constantly depending on activity in the database. 


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