The following bug has been logged on the website:
Bug reference: 16286
Logged by: Макс Лютов
Email address: lyutovmax@gmail.com
PostgreSQL version: 12.2
Operating system: Ubuntu 18.04.4 LTS
Description:
Запрос select lower(convert_from(convert_to('ТеСт', 'UTF8'), 'UTF8'))
возвращает 'ТеСт' , а не 'тест'