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/*
* Copyright (C) 2008 Murray Cumming <murrayc@murrayc.com>
* Copyright (C) 2008 - 2011 Vivien Malerba <malerba@gnome-db.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <glib/gi18n-lib.h>
#include "gda-postgres-util.h"
static GdaConnectionEventCode
gda_postgres_sqlsate_to_gda_code (const gchar *sqlstate)
{
guint64 gda_code = g_ascii_strtoull (sqlstate, NULL, 0);
switch (gda_code) {
case 42501:
return GDA_CONNECTION_EVENT_CODE_INSUFFICIENT_PRIVILEGES;
case 23505:
return GDA_CONNECTION_EVENT_CODE_UNIQUE_VIOLATION;
case 23502:
return GDA_CONNECTION_EVENT_CODE_NOT_NULL_VIOLATION;
default:
return GDA_CONNECTION_EVENT_CODE_UNKNOWN;
}
}
/*
* Returns: @str
*/
static gchar *
utf8_validate (gchar *str)
{
gchar *tmp;
if (g_utf8_validate (str, -1, (const gchar **) &tmp))
return str;
else {
*tmp = ' ';
for (tmp++; tmp; tmp++) {
if (g_utf8_validate (tmp, -1, (const gchar **) &tmp))
return str;
else
*tmp = ' ';
}
return tmp;
}
}
/*
* Create a new #GdaConnectionEvent object and "adds" it to @cnc
*
* Returns: a new GdaConnectionEvent which must not be unrefed()
*/
GdaConnectionEvent *
_gda_postgres_make_error (GdaConnection *cnc, PGconn *pconn, PGresult *pg_res, GError **error)
{
GdaConnectionEvent *error_ev;
GdaConnectionEventCode gda_code = GDA_CONNECTION_EVENT_CODE_UNKNOWN;
GdaTransactionStatus *trans;
error_ev = gda_connection_point_available_event (cnc, GDA_CONNECTION_EVENT_ERROR);
if (pconn != NULL) {
gchar *message;
if (pg_res != NULL) {
gchar *sqlstate;
message = g_strdup (PQresultErrorMessage (pg_res));
sqlstate = PQresultErrorField (pg_res, PG_DIAG_SQLSTATE);
gda_connection_event_set_sqlstate (error_ev, sqlstate);
gda_code = gda_postgres_sqlsate_to_gda_code (sqlstate);
}
else {
message = g_strdup (PQerrorMessage (pconn));
gda_code = GDA_CONNECTION_EVENT_CODE_UNKNOWN;
}
utf8_validate (message);
gchar *ptr = message;
if (g_str_has_prefix (message, "ERROR:"))
ptr += 6;
g_strstrip (ptr);
gda_connection_event_set_description (error_ev, ptr);
gda_connection_event_set_gda_code (error_ev, gda_code);
g_set_error (error, GDA_SERVER_PROVIDER_ERROR, GDA_SERVER_PROVIDER_STATEMENT_EXEC_ERROR, "%s", ptr);
g_free (message);
}
else {
gda_connection_event_set_description (error_ev, _("No detail"));
gda_connection_event_set_gda_code (error_ev, gda_code);
g_set_error (error, GDA_SERVER_PROVIDER_ERROR, GDA_SERVER_PROVIDER_STATEMENT_EXEC_ERROR,
"%s", _("No detail"));
}
gda_connection_event_set_code (error_ev, -1);
gda_connection_event_set_source (error_ev, "gda-postgres");
gda_connection_add_event (cnc, error_ev);
/* change the transaction status if there is a problem */
trans = gda_connection_get_transaction_status (cnc);
if (trans) {
if ((PQtransactionStatus (pconn) == PQTRANS_INERROR) &&
(trans->state != GDA_TRANSACTION_STATUS_STATE_FAILED))
gda_connection_internal_change_transaction_state (cnc,
GDA_TRANSACTION_STATUS_STATE_FAILED);
}
return error_ev;
}
/*
* Returns NULL if an error occurred
*
* WARNING: it does not check that @pconn can safely be used
*/
PGresult *
_gda_postgres_PQexec_wrap (GdaConnection *cnc, PGconn *pconn, const char *query)
{
GdaConnectionEvent *event;
if (cnc) {
event = gda_connection_point_available_event (cnc, GDA_CONNECTION_EVENT_COMMAND);
gda_connection_event_set_description (event, query);
gda_connection_add_event (cnc, event);
}
return PQexec (pconn, query);
}
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