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// file : odb/pgsql/error.cxx
// author : Constantin Michael <constantin@codesynthesis.com>
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#include <string>
#include <cassert>
#include <odb/pgsql/error.hxx>
#include <odb/pgsql/exceptions.hxx>
#include <odb/pgsql/connection.hxx>
using namespace std;
namespace odb
{
namespace pgsql
{
void
translate_error (connection& c, PGresult* r)
{
if (!r)
{
if (CONNECTION_BAD == PQstatus (c.handle ()))
{
c.mark_failed ();
throw connection_lost ();
}
else
throw bad_alloc ();
}
const char* error_message (PQresultErrorMessage (r));
switch (PQresultStatus (r))
{
case PGRES_BAD_RESPONSE:
{
if (error_message != 0)
throw database_exception (error_message);
else
throw database_exception ("bad server response");
}
case PGRES_FATAL_ERROR:
{
const char* ss (PQresultErrorField (r, PG_DIAG_SQLSTATE));
assert (ss);
assert (error_message);
// Deadlock detected.
//
if (std::string ("40P01") == ss)
throw deadlock ();
else if (CONNECTION_BAD == PQstatus (c.handle ()))
{
c.mark_failed ();
throw connection_lost ();
}
else
throw database_exception (ss, error_message);
}
default:
assert (0);
break;
}
}
}
}
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