Re: Reproducing query plans in empty database: can I just copy statsand settings? - Mailing list pgsql-general

From Adrian Klaver
Subject Re: Reproducing query plans in empty database: can I just copy statsand settings?
Date
Msg-id 7e758c6c-6e6f-d6b4-6ce5-55ac2bb95586@aklaver.com
Whole thread Raw
In response to Reproducing query plans in empty database: can I just copy stats andsettings?  (Guyren Howe <guyren@gmail.com>)
Responses Re: Reproducing query plans in empty database: can I just copy statsand settings?  (Guyren Howe <guyren@gmail.com>)
List pgsql-general
On 7/29/19 12:07 PM, Guyren Howe wrote:
> I work with Protected Health Information so have restricted access to an 
> important database.
> 
> I would like to look into index and query changes for that database. It 
> occurs to me that if I was able to reproduce the statistics and cost 
> settings for the database, then Explain would produce identical results 
> to the production database.
> 
> Can do this? Any other advice?

So what defines restricted access?

If you can't see/use the data in the production database in your test 
database I'm not sure how copying the statistics/cost settings is going 
to help.



-- 
Adrian Klaver
adrian.klaver@aklaver.com



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