jois.de.vi...@xxxxxxxxx wrote: > I'm currently trying to understand how to deal with the return values > of PGresultStatus in terms of error handling in my application. The > postgres manual describes the return codes of PGresultStatus as: > > PGRES_EMPTY_QUERY: The string sent to the server was empty. > PGRES_COMMAND_OK: Successful completion of a command returning no > data. > PGRES_TUPLES_OK: Successful completion of a command returning data. > PGRES_COPY_OUT: Copy Out (from server) data transfer started. > PGRES_COPY_IN: Copy In (to server) data transfer started. > PGRES_BAD_RESPONSE: The server's response was not understood. > PGRES_NONFATAL_ERROR: A nonfatal error (a notice or warning) occurred. > PGRES_FATAL_ERROR: A fatal error occurred. > > My question is, what constitutes a PGRES_FATAL_ERROR or a > PGRES_BAD_RESPONSE? > > I took PGRES_BAD_RESPONSE to mean that the libpq library was older than > the database being connected to and so the response was not being > handled properly. > > I took PGRES_FATAL_ERROR to mean that critical system errors had > occurred (like running out of memory). While googling for more > information regarding this, I found people had said that this can be > generated for any queries that were executed after a failed query. > These posting were however very old and I didn't know if any of this > had been changed. > > Could someone tell me where I can get more information regarding these > two particular error codes or confirm/deny my assumptions? > > Thanks I forgot to mention that I am using Postgres 8.0.3