2024
https://habr.com/ru/companies/ibs/articles/838492/
????
https://www.depesz.com/tag/unexplainable
https://www.depesz.com/2021/10/22/why-is-it-hard-to-automatically-suggest-what-index-to-create
https://www.depesz.com/2010/09/09/why-is-my-index-not-being-used
https://www.depesz.com/2011/09/28/what-index-to-create