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 | | From: | X X | | Subject: | libpq: how to get error code (not message) | | Date: | Wed, 1 Dec 2004 19:11:44 -0800 (PST) |
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 | Hello,
I'm writing a client in C++ using the C-library
(libpq) interface to PostgreSQL server.
I would like to know what function to call to obtain
one of the codes listed at
http://www.postgresql.org/docs/7.4/static/errcodes-appendix.html
(I'm aware from other postings that in JDBC it would
be a getSQLState() call, but what if I have to code
the client in C/C++ and use libpq ?)
I found that the error codes are defined in file
errcodes.h under the /server include directory, but
can't find the client-side function that returns them.
Any hints are much appreciated,
Serge
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| | From: | Michael Fuhr | | Subject: | Re: libpq: how to get error code (not message) | | Date: | Wed, 1 Dec 2004 23:06:48 -0700 |
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| On Wed, Dec 01, 2004 at 07:11:44PM -0800, X X wrote:
> I would like to know what function to call to obtain
> one of the codes listed at
>
> http://www.postgresql.org/docs/7.4/static/errcodes-appendix.html
I think you're looking for PQresultErrorField() called with the
fieldcode argument set to PG_DIAG_SQLSTATE.
--
Michael Fuhr
http://www.fuhr.org/~mfuhr/
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