Why do I get an error when accessing a specific PostgreSQL 11 database from IntelliJ IDEA 2018.1?

Question

PostgreSQL

Hello. When accessing from IntelliJ IDEA 2018.1 ("Database" tab) to the example database in PosgreSQL 11, I get this

mistake:

Error encountered when performing Introspect database postgres schema public (details): ОШИБКА: столбец "proiswindow" не существует
Позиция: 779.
ОШИБКА: столбец "proiswindow" не существует
Позиция: 779
(557 ms)

As a result, this database is not visible from IDEA:

And here is what I have in pgAdmin 4:

Answer 1

Your application does not yet support postgresql 11 released on Thursday. Perhaps the update has already been released, I guess version 2018.1 was quite a long time ago.
proisagg and proiswindow were removed from the pg_proc system directory back in March before the feature freeze and these changes were included in postgresql 11.

Answer 2

It is necessary to check the box "Introspect using JDBC metadata" in Data sources and Drivers.