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/*
* Copyright (C) 2007 - 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/gda-vprovider-data-model.h>
#include <virtual/gda-vconnection-data-model.h>
#include <sql-parser/gda-sql-parser.h>
static gboolean test_sql_select (GdaConnection *cnc, const gchar *sql);
static gboolean test_sql_non_select (GdaConnection *cnc, const gchar *sql);
GdaSqlParser *parser;
int
main ()
{
GError *error = NULL;
GdaConnection *cnc;
GdaVirtualProvider *provider;
GdaDataModel *xml_model, /* *csv_model, */ *rw_model;
GdaDataModel *proxy = NULL;
gda_init ();
parser = gda_sql_parser_new ();
provider = gda_vprovider_data_model_new ();
cnc = gda_virtual_connection_open (provider, NULL);
g_assert (GDA_IS_VCONNECTION_DATA_MODEL (cnc));
g_print ("Connection status for %s: %s\n", G_OBJECT_TYPE_NAME (cnc),
gda_connection_is_opened (cnc) ? "Opened" : "Closed");
/* create RW data model */
g_print ("Creating @rw_model from hand made array\n");
rw_model = gda_data_model_array_new_with_g_types (2, G_TYPE_INT, G_TYPE_STRING);
gda_data_model_set_column_name (rw_model, 0, "id");
gda_data_model_set_column_name (rw_model, 1, "a_string");
gda_data_model_dump (rw_model, stdout);
/* load test data model */
g_print ("Creating @xml_model from loading \"test_model.xml\"\n");
xml_model = gda_data_model_import_new_file ("test_model.xml", TRUE, NULL);
if (gda_data_model_get_access_flags (xml_model) & GDA_DATA_MODEL_ACCESS_CURSOR_BACKWARD)
gda_data_model_dump (xml_model, stdout);
else
g_print ("Data model cannot go backwards => don't yet print its contents\n");
g_print ("Creating @proxy from proxying @xml_model\n");
proxy = (GdaDataModel *) gda_data_proxy_new (xml_model);
g_object_set (G_OBJECT (proxy), "defer-sync", FALSE, NULL);
gda_data_model_dump (proxy, NULL);
/* load CVS data */
/*
csv_model = gda_data_model_import_new_file ("names.csv", TRUE, NULL);
if (gda_data_model_get_access_flags (csv_model) & GDA_DATA_MODEL_ACCESS_CURSOR_BACKWARD) {
gda_data_model_dump (csv_model, stdout);
GdaDataModelIter *iter;
iter = gda_data_model_create_iter (csv_model);
gda_data_model_iter_move_to_row (iter, -1);
for (gda_data_model_iter_move_next (iter); gda_data_model_iter_is_valid (iter);
gda_data_model_iter_move_next (iter)) {
g_print ("has row %d\n", gda_data_model_iter_get_row (iter));
}
g_object_unref (iter);
}
else
g_print ("Data model cannot go backwards => don't yet print its contents\n");
*/
g_print ("Creating virtual table 'rwtable' from @rw_model\n");
if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), rw_model, "rwtable", &error)) {
g_print ("Add RW model error: %s\n", error && error->message ? error->message : "no detail");
g_error_free (error);
error = NULL;
goto theend;
}
g_print ("Creating virtual table 'mytable' from @proxy\n");
if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), proxy, "mytable", &error)) {
g_print ("Add Proxy model error: %s\n", error && error->message ? error->message : "no detail");
g_error_free (error);
error = NULL;
goto theend;
}
g_print ("Creating virtual table 'copytable' from @xml_model\n");
if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), xml_model, "copytable", &error)) {
g_print ("Add XML model error: %s\n", error && error->message ? error->message : "no detail");
g_error_free (error);
error = NULL;
goto theend;
}
/*
if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), csv_model, "csv", &error)) {
g_print ("Add model error: %s\n", error && error->message ? error->message : "no detail");
g_error_free (error);
error = NULL;
goto theend;
}
*/
if (! test_sql_select (cnc, "SELECT * from mytable"))
goto theend;
if (! test_sql_select (cnc, "SELECT * from mytable where id=3"))
goto theend;
if (! test_sql_select (cnc, "pragma table_info ('copytable')"))
goto theend;
if (! test_sql_select (cnc, "SELECT a.*, b.* from mytable a join copytable b on (a.id!=b.id) where a.id=3"))
goto theend;
if (! test_sql_non_select (cnc, "CREATE TABLE anew (id int, string name)"))
goto theend;
if (! test_sql_non_select (cnc, "INSERT INTO anew SELECT id, name FROM copytable"))
goto theend;
if (! test_sql_select (cnc, "SELECT * from anew"))
goto theend;
if (! test_sql_select (cnc, "SELECT * from rwtable"))
goto theend;
/* INSERT test */
if (! test_sql_non_select (cnc, "INSERT INTO rwtable SELECT id, name FROM copytable"))
goto theend;
if (! test_sql_select (cnc, "SELECT * from rwtable order by 1"))
goto theend;
/* DELETE test */
if (! test_sql_non_select (cnc, "BEGIN"))
goto theend;
if (! test_sql_non_select (cnc, "DELETE FROM rwtable where id=3"))
goto theend;
if (! test_sql_select (cnc, "SELECT * from rwtable"))
goto theend;
if (! test_sql_non_select (cnc, "ROLLBACK"))
goto theend;
/* UPDATE test */
if (! test_sql_non_select (cnc, "BEGIN"))
goto theend;
if (! test_sql_non_select (cnc, "UPDATE rwtable set id=21 where id=3"))
goto theend;
if (! test_sql_select (cnc, "SELECT * from rwtable"))
goto theend;
if (! test_sql_non_select (cnc, "COMMIT"))
goto theend;
if (! test_sql_select (cnc, "SELECT * from rwtable"))
goto theend;
/* remove a table */
if (!gda_vconnection_data_model_remove (GDA_VCONNECTION_DATA_MODEL (cnc), gda_vconnection_data_model_get_table_name (GDA_VCONNECTION_DATA_MODEL (cnc), proxy), &error)) {
g_print ("Remove Proxy model error: %s\n", error && error->message ? error->message : "no detail");
g_error_free (error);
error = NULL;
goto theend;
}
test_sql_select (cnc, "SELECT * from mytable");
theend:
if (proxy)
g_object_unref (proxy);
g_object_unref (xml_model);
g_object_unref (cnc);
g_object_unref (provider);
return 0;
}
static gboolean
test_sql_select (GdaConnection *cnc, const gchar *sql)
{
GdaStatement *stmt;
GdaDataModel *data;
GError *error = NULL;
g_print ("\n\n============== SQL: %s\n", sql);
stmt = gda_sql_parser_parse_string (parser, sql, NULL, NULL);
g_assert (stmt);
data = gda_connection_statement_execute_select (cnc, stmt, NULL, &error);
g_object_unref (stmt);
if (data) {
gda_data_model_dump (data, stdout);
g_object_unref (data);
return TRUE;
}
else {
g_print ("SELECT error: %s\n", error && error->message ? error->message : "no detail");
g_error_free (error);
error = NULL;
return FALSE;
}
}
static gboolean
test_sql_non_select (GdaConnection *cnc, const gchar *sql)
{
GdaStatement *stmt;
GError *error = NULL;
gint nrows;
g_print ("\n\n============== SQL: %s\n", sql);
stmt = gda_sql_parser_parse_string (parser, sql, NULL, NULL);
g_assert (stmt);
nrows = gda_connection_statement_execute_non_select (cnc, stmt, NULL, NULL, &error);
g_object_unref (stmt);
if (nrows == -1) {
g_print ("NON SELECT error: %s\n", error && error->message ? error->message : "no detail");
g_error_free (error);
error = NULL;
return FALSE;
}
else {
gchar *msg = "";
if (nrows == -2)
msg = " (unknown number of impacted rows)";
g_print ("Impacted rows: %d%s\n", nrows, msg);
return TRUE;
}
}
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