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From: PG Doc comments form <noreply@postgresql.org>
To: pgsql-docs@lists.postgresql.org
Cc: vadym.feskin@gmail.com
Date: 2020-11-08T18:31:27Z
Lists: pgsql-docs 
The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/13/functions-conditional.html
Description:

Hello

I would be helpful to add that NULLIF and COALESCE need to be of same data
type. 

Thank you

Commits

  1. Doc: clarify data type behavior of COALESCE and NULLIF.