コード例 #1
0
ファイル: example.c プロジェクト: GNOME/libgda
static void
fetch_execute_result (GdaConnection *cnc, guint task_id)
{
	GObject *result;
	GError *error = NULL;
	gint i;
	for (i = 0; i < 10; i++) {
		g_print ("=========== Waiting for task %u\n", task_id);
		result = gda_connection_async_fetch_result (cnc, task_id, NULL, &error);
		if (result) {
			if (GDA_IS_DATA_MODEL (result))
				gda_data_model_dump (GDA_DATA_MODEL (result), NULL);
			else
				g_print ("Unknown result: %s\n", G_OBJECT_TYPE_NAME (result));
			g_object_unref (result);
			return;
		}
		else if (error) {
			if (error && (error->domain == GDA_CONNECTION_ERROR) &&
			    (error->code == GDA_CONNECTION_TASK_NOT_FOUND_ERROR))
				g_print ("Task not found error: %s\n", error->message);
			else
				g_print ("Execution failed: %s\n", error->message ? error->message : "No detail");
			return;
		}
		else {
			g_print ("Not yet executed...\n");
			g_usleep (100000);
		}
	}
}
コード例 #2
0
ファイル: gda-test-blob.c プロジェクト: arthurnn/libgda
static gboolean
exec_statement (GdaConnection *cnc, GdaStatement *stmt, GdaSet *plist, GError **error)
{
	GObject *exec_res;
	exec_res = gda_connection_statement_execute (cnc, stmt, plist, GDA_STATEMENT_MODEL_RANDOM_ACCESS, NULL, error);
	if (!exec_res)
		return FALSE;
	
	if (GDA_IS_DATA_MODEL (exec_res)) {
		g_print ("Query returned a GdaDataModel...\n");
		gda_data_model_dump ((GdaDataModel*) exec_res, stdout);
	}
	else {
		if (GDA_IS_SET (exec_res)) {
			GSList *list;

			g_print ("Query returned a GdaSet:\n");
			for (list = GDA_SET (exec_res)->holders; list; list = list->next) {
				gchar *str;
				str = gda_holder_get_value_str (GDA_HOLDER (list->data), NULL);
				g_print (" %s => %s\n", gda_holder_get_id (GDA_HOLDER (list->data)), str);
				g_free (str);
			}
					 
		}
		else
			g_print ("Query returned a %s object\n", G_OBJECT_TYPE_NAME (exec_res));
	}

	return TRUE;
}
コード例 #3
0
ファイル: access-custom.c プロジェクト: GNOME/libgda
int
main (int argc, char *argv [])
{
	GdaDataModel *model;
	gint i, nrows;
	GError *error = NULL;

	gda_init ();
	model = g_object_new (TYPE_CUSTOM_DATA_MODEL, "filename", DATABASE, NULL);
	gda_data_model_dump (model, stdout);

	nrows = gda_data_model_get_n_rows (model);

	i = gda_data_model_append_row (model, &error);
	if (i < 0) {
		g_print ("Could not append row: %s\n", 
			 error && error->message ? error->message : "no detail");
		exit (1);
	}
	else {
		GValue *value;
		GdaBinary bin;
		Key m_key;
		Value m_value;
		
		strncpy (m_key.color, "black", COLORSIZE);
		m_key.type = 100;
		
		bin.data = (gpointer) &m_key;
		bin.binary_length = sizeof (Key);
		value = gda_value_new (GDA_TYPE_BINARY);
		gda_value_set_binary (value, &bin);

		if (!gda_data_model_set_value_at (model, 0, i, value, &error)) {
			g_print ("Could not set key: %s\n", 
				 error && error->message ? error->message : "no detail");
			exit (1);
		}
		gda_value_free (value);

		m_value.size = 100.1;
		strncpy (m_value.name, "blackhole", NAMESIZE);
		
		bin.data = (gpointer) &m_value;
		bin.binary_length = sizeof (Value);
		value = gda_value_new (GDA_TYPE_BINARY);
		gda_value_set_binary (value, &bin);

		if (!gda_data_model_set_value_at (model, 1, i, value, &error)) {
			g_print ("Could not set key: %s\n", 
				 error && error->message ? error->message : "no detail");
			exit (1);
		}
		gda_value_free (value);
	}
	g_object_unref (model);
	return 0;
}
コード例 #4
0
ファイル: example.c プロジェクト: GNOME/libgda
/* 
 * display the contents of the 'products' table 
 */
void
display_customers (GdaConnection *cnc)
{
	GdaDataModel *data_model;
	GdaSqlParser *parser;
	GdaStatement *stmt;
	gchar *sql = "SELECT id, name FROM customers ORDER BY id";
	GError *error = NULL;

	parser = g_object_get_data (G_OBJECT (cnc), "parser");
	stmt = gda_sql_parser_parse_string (parser, sql, NULL, NULL);
	data_model = gda_connection_statement_execute_select (cnc, stmt, NULL, &error);
	g_object_unref (stmt);
        if (!data_model) 
                g_error ("Could not get the contents of the 'products' table: %s\n",
                         error && error->message ? error->message : "No detail");
	gda_data_model_dump (data_model, stdout);
	g_object_unref (data_model);
}
コード例 #5
0
ファイル: gda-test-blob.c プロジェクト: arthurnn/libgda
static gboolean
display_blobs (GdaConnection *cnc, GError **error)
{
	GdaStatement *stmt;
	gboolean retval;
	GdaDataModel *model;

	stmt = gda_sql_parser_parse_string (parser, "SELECT * FROM blobs", NULL, error);
	if (!stmt)
		return FALSE;

	model = gda_connection_statement_execute_select (cnc, stmt, NULL, error);

	retval = model ? TRUE : FALSE;
	if (model) {
		gda_data_model_dump (model, stdout);
		g_object_unref (model);
	}
	return retval;
}
コード例 #6
0
ファイル: test_uuids.c プロジェクト: William-Wai/midgard-core
static const GValue *_select_guid_at_offset(const gchar *table, guint offset)
{
	GdaCommand *command;
        GdaDataModel *model;
 
	GString *sql = g_string_new("SELECT guid FROM ");
	g_string_append_printf(sql, "%s LIMIT 1 OFFSET %d", table, offset);

        command = gda_command_new (sql->str, GDA_COMMAND_TYPE_SQL, 0);
        model = gda_connection_execute_select_command (mgd->priv->connection, command, NULL, NULL);

        gda_command_free (command);
	g_string_free(sql, TRUE);

	if (!model)
		return NULL;

	gda_data_model_dump (model, stdout);

	return gda_data_model_get_value_at_col_name(model, "guid", 0);
}
コード例 #7
0
ファイル: ddl.c プロジェクト: UIKit0/libgda
/* 
 * display the contents of the 'products' table 
 */
void
display_products_contents (GdaConnection *cnc)
{
	GdaDataModel *data_model;
	GdaStatement *stmt;
	gchar *sql = "SELECT * FROM products";
	GError *error = NULL;
	GdaSqlParser *parser;

	parser = gda_connection_create_parser (cnc);
        if (!parser) /* @cnc doe snot provide its own parser => use default one */
                parser = gda_sql_parser_new ();

	stmt = gda_sql_parser_parse_string (parser, sql, NULL, NULL);
	data_model = gda_connection_statement_execute_select (cnc, stmt, NULL, &error);
	g_object_unref (stmt);
        if (!data_model) 
                g_error ("Could not get the contents of the 'products' table: %s\n",
                         error && error->message ? error->message : "No detail");
	gda_data_model_dump (data_model, stdout);
	g_object_unref (data_model);
}
コード例 #8
0
ファイル: test-cnc-meta.c プロジェクト: UIKit0/libgda
/*
 * Test 1: gda_connection_open() when there is no error
 */
static guint
test1 (void)
{
	g_print ("============= %s started =============\n", __FUNCTION__);
	GdaConnection *cnc;
	GError *error = NULL;

	gchar *cnc_string, *fname;
        fname = g_build_filename (ROOT_DIR, "data", NULL);
        cnc_string = g_strdup_printf ("DB_DIR=%s;DB_NAME=sales_test", fname);
        g_free (fname);
        cnc = gda_connection_new_from_string ("SQLite", cnc_string, NULL,
					      GDA_CONNECTION_OPTIONS_READ_ONLY, NULL);
	if (!cnc) {
		g_print ("gda_connection_new_from_string([%s]) failed: %s\n", cnc_string,
			 error && error->message ? error->message : "No detail");
		g_free (cnc_string);
		return 1;
	}

	guint counter = 0;
	setup_main_context (cnc, &counter);

	/* connection open */
	if (! gda_connection_open (cnc, &error)) {
		g_print ("gda_connection_open([%s]) failed: %s\n", cnc_string,
			 error && error->message ? error->message : "No detail");
		g_free (cnc_string);
		return 1;
	}
	g_free (cnc_string);

	if (counter == 0) {
		g_print ("gda_connection_open() failed: did not make GMainContext 'run'\n");
		return 1;
	}
	else
		g_print ("Counter incremented to %u\n", counter);
	g_print ("Connection %p Opened\n", cnc);
	

	/* Update meta store */
	counter = 0;
	if (! gda_connection_update_meta_store (cnc, NULL, &error)) {
		g_print ("gda_connection_update_meta_store () failed: %s\n",
			 error && error->message ? error->message : "No detail");
		return 1;
	}

	if (counter == 0) {
		g_print ("gda_connection_update_meta_store() failed: did not make GMainContext 'run'\n");
		g_object_unref (cnc);
		return 1;
	}
	else
		g_print ("Counter incremented to %u\n", counter);

	/* get meta data */
	counter = 0;
	GdaDataModel *model;
	model = gda_connection_get_meta_store_data (cnc, GDA_CONNECTION_META_TABLES, &error, 0);
	if (!model) {
		g_print ("gda_connection_get_meta_store_data () failed: %s\n",
			 error && error->message ? error->message : "No detail");
		return 1;
	}

	if (counter == 0) {
		g_print ("gda_connection_get_meta_store_data() failed: did not make GMainContext 'run'\n");
		g_object_unref (cnc);
		return 1;
	}
	else
		g_print ("Counter incremented to %u\n", counter);

	gda_data_model_dump (model, NULL);
	g_object_unref (model);

	g_object_unref (cnc);

	return 0;
}
コード例 #9
0
ファイル: test_uuids.c プロジェクト: William-Wai/midgard-core
static void _run_binary_test()
{
	GdaParameterList *plist;
	GdaParameter *param;

	//_create_binary_guid();

	const GValue *guid_value = _select_guid_at_offset(BINARY_TABLE, 14);

	const unsigned char *bguid = (const unsigned char *)g_value_get_string(guid_value);
	gchar *b = NULL;
	guint length = strlen(bguid);
	guint i;

	gchar *_gstr, *gstr;
	gstr = _gstr = g_new(gchar , 34);
	
	for (i = 0; i < length; i++, bguid++) {
	
		unsigned char c = *bguid;
		*(gstr++) = hexdigits[(c>>4)&0xf];
		*(gstr++) = hexdigits[c&0xf];

	}
	*gstr = '\0';


	return;

	if (!guid_value) 
		g_error ("Returned NULL guid value");

	GdaDict *dict = gda_dict_new();
	gda_dict_set_connection (dict , mgd->priv->connection);

	GString *sql = g_string_new ("SELECT guid FROM ");
 	g_string_append_printf (sql, "%s WHERE guid= ##/*name:'guid' type:GdaBinary*/", BINARY_TABLE);

	GdaQuery *query = gda_query_new_from_sql (dict, sql->str, NULL);
	if (!query)
		g_error("Failed to create new query from string");

	plist = gda_query_get_parameter_list (query);

	param = gda_parameter_list_find_param (plist, "guid");

	if (!param)
		g_warning ("Failed to find guid param");

	GValue binval = {0, };
	g_value_init(&binval, GDA_TYPE_BINARY);
	g_value_transform(guid_value, &binval);

        gda_parameter_set_value (param, &binval);

	if (!gda_parameter_is_valid (param))
		g_error ("Guid parameter (with value) is invalid");

	gda_connection_clear_events_list (mgd->priv->connection);

	GError *error = NULL;
	GdaDataModel *model = GDA_DATA_MODEL(gda_query_execute (query, plist, FALSE, &error));

	if (!model)
		g_error("Query returned NULL model");

	if (error)
		g_error ("%s", error->message);

	gda_data_model_dump (model, stdout);

	const GValue *rval = gda_data_model_get_value_at_col_name (model, "guid", 0);
}
コード例 #10
0
ファイル: gdaui-test-errors.c プロジェクト: arthurnn/libgda
int
main (int argc, char *argv[])
{
	gtk_init (&argc, &argv);
	gdaui_init ();

	/* create data model */
	GdaDataModel *model; 
        model = data_model_errors_new ();
	gda_data_model_dump (model, NULL);
	
	/* create UI */
	GtkWidget *window, *vbox, *button, *form, *grid;
	window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
        gtk_window_set_default_size (GTK_WINDOW(window), 400, 200);
	g_signal_connect_swapped (window, "destroy",
				  G_CALLBACK (destroy),
				  window);
	gtk_container_set_border_width (GTK_CONTAINER (window), 10);

	vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
	gtk_container_add (GTK_CONTAINER (window), vbox);

	/* main form to list customers */
	form = gdaui_form_new (model);
	gtk_box_pack_start (GTK_BOX (vbox), form, FALSE, FALSE, 0);

	GtkWidget *raw;
	g_object_get (form, "raw-form", &raw, NULL);
	g_timeout_add (80, (GSourceFunc) change_unknow_color, raw);
	g_object_unref (raw);

        g_object_set (G_OBJECT (form),
		      "info-flags",
		      GDAUI_DATA_PROXY_INFO_CURRENT_ROW |
		      GDAUI_DATA_PROXY_INFO_ROW_MOVE_BUTTONS |
		      GDAUI_DATA_PROXY_INFO_ROW_MODIFY_BUTTONS,
		      NULL
		      );

	/* main grid to list customers */
	grid = gdaui_grid_new (model);
	g_object_unref (model);
	gtk_box_pack_start (GTK_BOX (vbox), grid, TRUE, TRUE, 0);

        g_object_set (G_OBJECT (grid),
		      "info-flags",
		      GDAUI_DATA_PROXY_INFO_CURRENT_ROW |
		      GDAUI_DATA_PROXY_INFO_ROW_MODIFY_BUTTONS,
		      NULL
		      );

	/* button to quit */
	button = gtk_button_new_with_label ("Quit");
	gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
	g_signal_connect_swapped (button, "clicked",
				  G_CALLBACK (gtk_widget_destroy),
				  window);

	gtk_widget_show_all (window);
	gtk_main ();

        return 0;
}
コード例 #11
0
ファイル: access-raw.c プロジェクト: GNOME/libgda
int
main (int argc, char *argv [])
{
	GdaDataModel *model;
	gint i, nrows;
	GError *error = NULL;

	gda_init ();
	if (! g_file_test (DATABASE, G_FILE_TEST_EXISTS)) {
		g_print ("File '%s' does not exist\n", DATABASE);
		exit (1);
	}
	model = gda_data_model_bdb_new (DATABASE, NULL);
	gda_data_model_dump (model, stdout);

	nrows = gda_data_model_get_n_rows (model);
	for (i = 0; i < nrows; i++) {
		Key *key;
		Value *value;
		const GValue *c_value;
		const GdaBinary *bin;
		
		g_print ("=============== ROW %d\n", i);

		c_value= gda_data_model_get_value_at (model, 0, i, &error);
		if (!c_value) {
			g_print ("Could not get value from data model: %s\n",
				 error && error->message ? error->message : "No detail");
			exit (1);
		}
		bin = gda_value_get_binary (c_value);
		key = (Key *)bin->data;
		g_print ("color/type = %s/%d\n", key->color, key->type);

		c_value= gda_data_model_get_value_at (model, 1, i, &error);
		if (!c_value) {
			g_print ("Could not get value from data model: %s\n",
				 error && error->message ? error->message : "No detail");
			exit (1);
		}
		bin = gda_value_get_binary (c_value);
		value = (Value *)bin->data;
		g_print ("size/name = %f/%s\n", value->size, value->name);
		
	}

	i = gda_data_model_append_row (model, &error);
	if (i < 0) {
		g_print ("Could not append row: %s\n", 
			 error && error->message ? error->message : "no detail");
		exit (1);
	}
	else {
		{
			/* EXTRA tests */
			gda_data_model_dump (model, stdout);
			if (!gda_data_model_remove_row (model, i, &error)) {
				g_print ("Could not remove row: %s\n", 
					 error && error->message ? error->message : "no detail");
				exit (1);
			}
			gda_data_model_dump (model, stdout);

			gchar *str = "AAA";
			GValue *value = gda_value_new_binary ((guchar*) str, 4);
			if (!gda_data_model_set_value_at (model, 1, 2, value, &error)) {
				g_print ("Could not set value: %s\n", 
					 error && error->message ? error->message : "no detail");
				exit (1);
			}
			gda_data_model_dump (model, stdout);

			exit (0);
		}

		GValue *value;
		GdaBinary bin;
		Key m_key;
		Value m_value;
		
		strncpy (m_key.color, "black", COLORSIZE);
		m_key.type = 100;
		
		bin.data = (gpointer) &m_key;
		bin.binary_length = sizeof (Key);
		value = gda_value_new (GDA_TYPE_BINARY);
		gda_value_set_binary (value, &bin);

		if (!gda_data_model_set_value_at (model, 0, i, value, &error)) {
			g_print ("Could not set key: %s\n", 
				 error && error->message ? error->message : "no detail");
			exit (1);
		}
		gda_value_free (value);

		m_value.size = 100.1;
		strncpy (m_value.name, "blackhole", NAMESIZE);
		
		bin.data = (gpointer) &m_value;
		bin.binary_length = sizeof (Value);
		value = gda_value_new (GDA_TYPE_BINARY);
		gda_value_set_binary (value, &bin);

		if (!gda_data_model_set_value_at (model, 1, i, value, &error)) {
			g_print ("Could not set key: %s\n", 
				 error && error->message ? error->message : "no detail");
			exit (1);
		}
		gda_value_free (value);
	}
	g_object_unref (model);
	return 0;
}
コード例 #12
0
ファイル: example.c プロジェクト: GNOME/libgda
int
main (int argc, char *argv[])
{
        gda_init ();

        GdaConnection *cnc;
	GError *error = NULL;
	GdaStatement *stmt;
	GdaDataModel *model;
	gchar *str;
	GValue *name;

	/* open connection */
	cnc = open_connection ();

	/* begin transaction */
	if (! gda_connection_begin_transaction (cnc, NULL, GDA_TRANSACTION_ISOLATION_UNKNOWN,
						&error)) {
		g_print ("Could not begin transaction: %s\n",
                         error && error->message ? error->message : "No detail");
                exit (1);
	}
	
	/* execute SELECT */
	stmt = gda_sql_parser_parse_string (parser, "SELECT id, name FROM customers ORDER BY id", NULL, NULL);
	g_assert (stmt);
	model = gda_connection_statement_execute_select (cnc, stmt, NULL, &error);
	g_object_unref (stmt);
	if (!model) {
		g_print ("Could not execute SELECT statement: %s\n",
                         error && error->message ? error->message : "No detail");
                exit (1);
	}

	g_print ("** Data model is:\n");
	gda_data_model_dump (model, stdout);

	/*
	 * make sure the mete data is up to date
	 */
	g_print ("Computing meta data, this may take a while; in real applications, this should be cached to avoid waiting\n");
	if (! gda_connection_update_meta_store (cnc, NULL, &error)) {
		g_print ("Could not fetch meta data: %s\n",
                         error && error->message ? error->message : "No detail");
                exit (1);
	}

	/*
	 * Make the data model compute the modification statements which
	 * will actually be executed when the data model is modified
	 */
	if (! gda_data_select_compute_modification_statements (GDA_DATA_SELECT (model), &error)) {
		g_print ("Could not compute modification statements: %s\n",
                         error && error->message ? error->message : "No detail");
                exit (1);
	}

	g_object_get (G_OBJECT (model), "update-stmt", &stmt, NULL);
	str = gda_statement_to_sql (stmt, NULL, NULL);
	g_print ("Computed UPDATE: %s\n", str);
	g_free (str);
	g_object_unref (stmt);
	g_object_get (G_OBJECT (model), "delete-stmt", &stmt, NULL);
	str = gda_statement_to_sql (stmt, NULL, NULL);
	g_print ("Computed DELETE: %s\n", str);
	g_free (str);
	g_object_unref (stmt);
	g_object_get (G_OBJECT (model), "insert-stmt", &stmt, NULL);
	str = gda_statement_to_sql (stmt, NULL, NULL);
	g_print ("Computed INSERT: %s\n", str);
	g_free (str);
	g_object_unref (stmt);

	/*
	 * remove row 0 (1st row)
	 */
	g_print ("\n\n** Removing row 0\n");
	if (! gda_data_model_remove_row (model, 0, &error)) {
		g_print ("Could not remove row 0: %s\n",
                         error && error->message ? error->message : "No detail");
                exit (1);
	}
	g_print ("** Data model is now:\n");
	gda_data_model_dump (model, stdout);
	g_print ("** Table's contents is now:\n");
	display_customers (cnc);

	/*
	 * add a row: the row's values is a list of GValue pointers 
	 * (or NULL pointers where the default value should be inserted
	 */
	GList *list;
	g_print ("\n\n** Adding a row\n");
	list = g_list_append (NULL, NULL); 
	g_value_set_string ((name = gda_value_new (G_TYPE_STRING)), "Hiro");
	list = g_list_append (list, name);
	if (gda_data_model_append_values (model, list, &error) == -1) {
		g_print ("Could not add a row: %s\n",
                         error && error->message ? error->message : "No detail");
                exit (1);
	}
	gda_value_free (name);
	g_list_free (list);
	g_print ("** Data model is now:\n");
	gda_data_model_dump (model, stdout);
	g_print ("** Table's contents is now:\n");
	display_customers (cnc);

	/*
	 * alter row 2
	 */
	g_print ("\n\n** Modifying row 2\n");
	g_value_set_string ((name = gda_value_new (G_TYPE_STRING)), "Tom");
	if (! gda_data_model_set_value_at (model, 1, 2, name, &error)) {
		g_print ("Could not modify row 2: %s\n",
                         error && error->message ? error->message : "No detail");
                exit (1);
	}
	gda_value_free (name);
	g_print ("** Data model is now:\n");
	gda_data_model_dump (model, stdout);
	g_print ("** Table's contents is now:\n");
	display_customers (cnc);

	/* rollback transaction */
	gda_connection_rollback_transaction (cnc, NULL, NULL);

        gda_connection_close (cnc);

        return 0;
}
コード例 #13
0
ファイル: test-cnc-exec.c プロジェクト: GNOME/libgda
/*
 * Test 1: gda_connection_open() when there is no error
 */
static guint
test1 (void)
{
	g_print ("============= %s started =============\n", __FUNCTION__);
	GdaConnection *cnc;
	GError *error = NULL;

	gchar *cnc_string, *fname;
        fname = g_build_filename (ROOT_DIR, "data", NULL);
        cnc_string = g_strdup_printf ("DB_DIR=%s;DB_NAME=sales_test", fname);
        g_free (fname);
        cnc = gda_connection_new_from_string ("SQLite", cnc_string, NULL,
					      GDA_CONNECTION_OPTIONS_READ_ONLY, NULL);
	if (!cnc) {
		g_print ("gda_connection_new_from_string([%s]) failed: %s\n", cnc_string,
			 error && error->message ? error->message : "No detail");
		g_free (cnc_string);
		return 1;
	}

	guint counter = 0;
	setup_main_context (cnc, 0, &counter);

	/* connection open */
	if (! gda_connection_open (cnc, &error)) {
		g_print ("gda_connection_open([%s]) failed: %s\n", cnc_string,
			 error && error->message ? error->message : "No detail");
		g_free (cnc_string);
		return 1;
	}
	g_free (cnc_string);

	if (counter == 0 && !connected) {
		g_print ("gda_connection_open() failed: did not make GMainContext 'run'\n");
		return 1;
	}
	else
		g_print ("Counter incremented to %u\n", counter);
	g_print ("Connection %p Opened\n", cnc);
	

	/* SELECT */
	counter = 0;
	GdaDataModel *model;
	model = gda_connection_execute_select_command (cnc, "SELECT * FROM customers", &error);
	if (model) {
		gda_data_model_dump (model, NULL);
		gint expnrows = 5;
		if (gda_data_model_get_n_rows (model) != expnrows) {
			g_print ("SELECT Exec() failed: expected %d and got %d\n", expnrows,
				 gda_data_model_get_n_rows (model));
			g_object_unref (model);
			g_object_unref (cnc);
			return 1;
		}
		g_object_unref (model);
	}
	else {
		g_print ("gda_connection_execute_select_command() failed: %s\n",
			 error && error->message ? error->message : "No detail");
		g_object_unref (cnc);
		return 1;
	}

	if (counter == 0 && !connected) {
		g_print ("gda_connection_open() failed: did not make GMainContext 'run'\n");
		g_object_unref (cnc);
		return 1;
	}
	else
		g_print ("Counter incremented to %u\n", counter);


	g_object_unref (cnc);

	return 0;
}