Confidential
From: Michael Lewis
Sent: 19 August 2020 20:53
To: Zahir Lalani
Cc: pgsql-gene...@postgresql.org
Subject: Re: Window functions speed
Where's the query? Are you able to run explain analyze so we can see estimates
vs actual counts? What version are you using?
Can you share ex
Where's the query? Are you able to run explain analyze so we can see
estimates vs actual counts? What version are you using?
Can you share explain analyze before and after the window function?
I mean, that limit at the top makes me think it is doing a lot less work
without the window function, vs
Confidential
Hello
I have spent the last day optimising a critical query which suddenly started
behaving very inefficiently. There were issues with the query which are now
sorted. The base query is now working in a timeframe that is far better.
However, as soon as I add a window count function