Re: Regarding PL/SQL with C

hi michael

          thanks for ur input... I tried with *PQconnectdb* also. But
still it is showing connection error
when I tried with PQErrorMessage it is coming as below.

*FATAL:  IDENT authentication failed for user "postgres" ...

pls help..

thanks
krishna
*
Michael Fuhr wrote:

>On Sat, Feb 25, 2006 at 02:03:51PM +0530, Krishnaprasad wrote:
>
>
>>I have written code for connecting to a database and select one row and
>>just print it out.. Iam able to make a connection with the databse. But
>>after connection it is showing that select query failed.... but if iam
>>directly selecting through PL/SQL prompt iam able to do the same.......
>>
>>
>
>You're connecting to the database thusly:
>
>
>
>>  conn = PQconnectStart("user=postgres,dbname=krishna");
>>
>>
>
>Parameters in the connect string should be space-separated, not
>comma-separated.  The select is probably failing because the connect
>failed; you're not seeing the connection failure because you're
>calling PQconnectStart to make a nonblocking connection and you're
>not waiting for the connection to complete before making the query.
>Unless you need a nonblocking connection use PQconnectdb instead:
>
>    conn = PQconnectdb("user=postgres dbname=krishna");
>
>Then check for CONNECTION_OK, not CONNECTION_MADE.
>
>When an operation has failed, you can use PQerrorMessage or
>PQresultErrorMessage to display the reason.
>
>
>


--
Rgds

KRISHNAPRASAD.K
R&D Engineer
HCL INFOSYSTEMS LTD
PONDICHERRY
Mob:09894530948