From: "Michael Meskes" <mes...@postgresql.org>
Or in other words, I used the connect command you had in your email with a
services file pointing to a local database and it connected to that
database.
Instead of adding an additional output I checked the log output which
suggested
that host was NULL.
Your test case seems different from my original mail. In my test case, I
want to connect to a database on another machine, not on the local one. For
example:
1. The ECPG app runs on a machine called client-host.
2. The database server to connect to runs on a machine called server-host.
3. There's no database server running on client-host.
4. The ECPG app uses the connection service file whose contents is:
[my_service]
host=server-host
... other necessary parameters like port, dbname, etc.
The app mistakenly tries to connect to the database server on the local
machine (client-host), instead of the desired server-host, and fails to
connect because the database server is not running on client-host. This is
because ECPGconnect() passes an empty string (""), not NULL, to
PQconnectdbParams().
Regards
MauMau
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