func NewDBConnFromEnvironment()

in dbconn/dbconn.go [75:95]

• 19 lines of code
• 5 McCabe index (conditional complexity)

func NewDBConnFromEnvironment(dbname string) *DBConn {
	if dbname == "" {
		gplog.Fatal(errors.New("No database provided"), "")
	}

	username := operating.System.Getenv("PGUSER")
	if username == "" {
		currentUser, _ := operating.System.CurrentUser()
		username = currentUser.Username
	}
	host := operating.System.Getenv("PGHOST")
	if host == "" {
		host, _ = operating.System.Hostname()
	}
	port, err := strconv.Atoi(operating.System.Getenv("PGPORT"))
	if err != nil {
		port = 5432
	}

	return NewDBConn(dbname, username, host, port)
}