Postgres drop database error: pq: cannot drop the currently open database

Question

I\'m trying to drop the database I\'m currently connected to like so, but I\'m getting this error:

pq: cannot drop the currently open database

Answer 1

I am using PostgreSQL 12 and pgAdmin-4 in Windows 10. I had to use a combination of the above answers to drop a database, which I could not drop in pgAdmin because I was unable to close all open connections in pgAdmin.

Close pgAdmin-4.

In Windows command line, assuming my server's name is postgres and my database is mydb:

C:\> psql -U postgres

I logged in with my server password.

I then closed all open connections to mydb:

postgres-# SELECT * FROM pg_stat_activity WHERE pg_stat_activity.datname='mydb';
postgres-# SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = 'mydb';

Finally, I successfully dropped mydb:

postgres-# DROP DATABASE mydb;

Now if I go back into pgAdmin-4 it is gone.