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From: Tom Lane <tgl@sss.pgh.pa.us>
To: David CARLIER <devnexen@gmail.com>
cc: pgsql-interfaces@postgresql.org
Subject: Re: libpq, connection error - question
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David CARLIER <devnexen@gmail.com> writes:
> in case of PQconnectdb call failure, is it possible to get SQLstate code
> such as 28P01 and if yes in which circumstance(s) ? I can t seem to get it
> from PQerrorMessage.

No, libpq generally doesn't assign SQLSTATE codes to errors generated
within libpq.  (Adding that has been on the TODO list for a long time,
but apparently few people care.)

			regards, tom lane