2017-07-05 15:41 GMT+02:00 Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>:
>
> [scheme[<+>dsn]]://[[username[:[password]](at)][host][:port][/[
> dbname][/[[table[/[column[,column...]*]]]|sql]]]
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> The thing is that in a quick search on this I did not find a reference
> implementation of this to compare against.
>
"dsn" is only relevant when the scheme is ODBC.
In a situation where an application (like Drupal) get connect string (URI)
it should be able to find the right driver to use. In case with of ODBC, a
dsn (Data Source Name) is needed.
./hans