現在接続されている PostgreSQL データベースを削除するには?

pq: cannot drop the currently open database

import "github.com/lib/pq"

...

func dropDatabase(dbName string) error {
    // Connect to a different database (e.g., template1)
    otherConn, err := pq.Open("other_conn_string")
    if err != nil {
        return err
    }
    defer otherConn.Close()
    
    // Drop the desired database from the other connection
    _, err = otherConn.Exec(fmt.Sprintf(`DROP DATABASE %s;`, dbName))
    return err
}

-- PostgreSQL < 9.2
SELECT pg_terminate_backend(procpid) FROM pg_stat_activity WHERE datname = 'mydb';

-- PostgreSQL >= 9.2
SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = 'mydb';