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/*
* Copyright (C) 2010 - 2011 Vivien Malerba <malerba@gnome-db.org>
* Copyright (C) 2011 Murray Cumming <murrayc@murrayc.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <libgda/libgda.h>
#include <virtual/libgda-virtual.h>
#include <sql-parser/gda-sql-parser.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* utility functions */
/* Commented out because it is not used.
static void run_sql_non_select (GdaConnection *cnc, const gchar *sql);
*/
static GdaDataModel *run_sql_select (GdaConnection *cnc, const gchar *sql);
static gint run_and_show_sql_select (GdaConnection *cnc, const gchar *sql, const gchar *title);
int
main ()
{
GError *error = NULL;
GdaConnection *hub, *cnc;
GdaVirtualProvider *provider;
gda_init ();
/* open connection */
cnc = gda_connection_open_from_dsn ("SalesTest", NULL,
GDA_CONNECTION_OPTIONS_READ_ONLY, &error);
if (!cnc) {
g_print ("Could not open connection to the SalesTest DSN: %s\n",
error && error->message ? error->message : "No detail");
exit (1);
}
/* Set up Connection hub */
provider = gda_vprovider_hub_new ();
hub = gda_virtual_connection_open (provider, NULL);
g_assert (hub);
if (!gda_vconnection_hub_add (GDA_VCONNECTION_HUB (hub), cnc, "sales", &error)) {
g_print ("Could not add SalesTest connection to hub: %s\n",
error && error->message ? error->message : "No detail");
exit (1);
}
g_object_unref (cnc);
/* some tests */
run_and_show_sql_select (hub, "SELECT * FROM sales.customers where id=3", NULL);
run_and_show_sql_select (hub, "SELECT * FROM sales.customers where name='Lew Bonito'", NULL);
run_and_show_sql_select (hub, "SELECT * FROM sales.customers where id >= 4 order by name DESC", NULL);
run_and_show_sql_select (hub, "SELECT * FROM sales.customers where id >= 5 order by name DESC", NULL);
/*
run_and_show_sql_select (hub, "SELECT * FROM sales.customers where id=3 OR id=4", NULL);
run_and_show_sql_select (hub, "SELECT * FROM sales.customers where id=3 AND id=4", NULL);
run_and_show_sql_select (hub, "SELECT * FROM sales.customers where id=3 AND id=4", NULL);
*/
g_object_unref (hub);
return 0;
}
static gint
run_and_show_sql_select (GdaConnection *cnc, const gchar *sql, const gchar *title)
{
GdaDataModel *model;
gint nrows;
model = run_sql_select (cnc, sql);
g_print ("\n====== %s ======\n", title ? title : sql);
nrows = gda_data_model_get_n_rows (model);
if (nrows != 0)
gda_data_model_dump (model, stdout);
else
g_print ("None\n");
g_object_unref (model);
g_print ("\n");
return nrows;
}
static GdaDataModel *
run_sql_select (GdaConnection *cnc, const gchar *sql)
{
GdaStatement *stmt;
GError *error = NULL;
GdaDataModel *res;
GdaSqlParser *parser;
parser = gda_connection_create_parser (cnc);
stmt = gda_sql_parser_parse_string (parser, sql, NULL, NULL);
g_object_unref (parser);
res = gda_connection_statement_execute_select (cnc, stmt, NULL, &error);
g_object_unref (stmt);
if (!res)
g_error ("Could not execute query: %s\n",
error && error->message ? error->message : "no detail");
return res;
}
/* Commented out because it is not used.
static void
run_sql_non_select (GdaConnection *cnc, const gchar *sql)
{
GdaStatement *stmt;
GError *error = NULL;
gint nrows;
GdaSqlParser *parser;
parser = gda_connection_create_parser (cnc);
stmt = gda_sql_parser_parse_string (parser, sql, NULL, NULL);
g_object_unref (parser);
nrows = gda_connection_statement_execute_non_select (cnc, stmt, NULL, NULL, &error);
g_object_unref (stmt);
if (nrows == -1)
g_error ("NON SELECT error: %s\n", error && error->message ? error->message : "no detail");
}
*/
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