1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*
* Copyright (C) 2007 - 2012 Vivien Malerba <malerba@gnome-db.org>
*
* 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 <stdlib.h>
#include <string.h>
static GdaDataModel *run_sql_select (GdaConnection *cnc, const gchar *sql);
static gboolean run_sql_non_select (GdaConnection *cnc, const gchar *sql);
static gboolean test1 (void);
static gboolean test2 (void);
int
main (int argc, char **argv)
{
gint nfailed = 0;
gda_init ();
if (! test1 ())
nfailed++;
if (! test2 ())
nfailed++;
if (nfailed == 0) {
g_print ("Ok, all tests passed\n");
return EXIT_SUCCESS;
}
else {
g_print ("%d failed\n", nfailed);
return EXIT_FAILURE;
}
}
static gboolean
test1 (void)
{
GError *error = NULL;
GdaConnection *cnc;
GdaVirtualProvider *provider;
GdaDataModel *rw_model;
gchar *file;
gboolean retval = FALSE;
g_print ("===== %s() =====\n", __FUNCTION__);
provider = gda_vprovider_data_model_new ();
cnc = gda_virtual_connection_open (provider, NULL);
g_assert (cnc);
/* create RW data model to store results */
rw_model = gda_data_model_array_new_with_g_types (2, G_TYPE_STRING, G_TYPE_INT);
gda_data_model_set_column_name (rw_model, 0, "country");
gda_data_model_set_column_name (rw_model, 1, "population");
/* load CSV data models */
GdaDataModel *country_model, *city_model;
GdaSet *options = gda_set_new_inline (1, "TITLE_AS_FIRST_LINE", G_TYPE_BOOLEAN, TRUE);
file = g_build_filename (CHECK_FILES, "tests", "data-models", "city.csv", NULL);
city_model = gda_data_model_import_new_file (file, TRUE, options);
g_free (file);
file = g_build_filename (CHECK_FILES, "tests", "data-models", "country.csv", NULL);
country_model = gda_data_model_import_new_file (file, TRUE, options);
g_free (file);
file = NULL;
g_object_unref (options);
/* Add data models to connection */
if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), rw_model, "results", &error))
g_error ("Add RW model error: %s\n", error && error->message ? error->message : "no detail");
if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), city_model, "city", &error))
g_error ("Add city model error: %s\n", error && error->message ? error->message : "no detail");
if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), country_model, "country", &error))
g_error ("Add country model error: %s\n", error && error->message ? error->message : "no detail");
/* test */
GdaDataModel *model;
model = run_sql_select (cnc, "SELECT * FROM city");
gda_data_model_dump (model, stdout);
g_object_unref (model);
model = run_sql_select (cnc, "SELECT __gda_row_nb, * FROM city");
gda_data_model_dump (model, stdout);
g_object_unref (model);
/* compute list of countries where population >= 1M */
if (! run_sql_non_select (cnc, "INSERT INTO results SELECT co.name, sum (ci.population) as pop FROM country co INNER JOIN city ci ON (co.code=ci.countrycode) GROUP BY co.name HAVING sum (ci.population) > 10000000 ORDER BY co.name DESC"))
g_error ("Could not run computation query");
/* save resulting data model to CSV */
gchar *export, *expected;
export = gda_data_model_export_to_string (rw_model, GDA_DATA_MODEL_IO_TEXT_SEPARATED,
NULL, 0, NULL, 0, NULL);
file = g_build_filename (CHECK_FILES, "tests", "data-models", "check_virtual.csv", NULL);
if (!g_file_get_contents (file, &expected, NULL, NULL))
goto out;
if (strcmp (export, expected))
goto out;
retval = TRUE;
out:
g_free (file);
g_free (export);
g_free (expected);
g_object_unref (city_model);
g_object_unref (country_model);
g_object_unref (cnc);
g_object_unref (provider);
g_print ("%s() is %s\n", __FUNCTION__, retval ? "Ok" : "NOT Ok");
return retval;
}
static gboolean
test2 (void)
{
GError *error = NULL;
GdaConnection *cnc;
GdaVirtualProvider *provider;
gchar *file;
gboolean retval = FALSE;
g_print ("===== %s () =====\n", __FUNCTION__);
provider = gda_vprovider_data_model_new ();
cnc = gda_virtual_connection_open (provider, NULL);
g_assert (cnc);
/* load CSV data models */
GdaDataModel *country_model, *city_model;
GdaSet *options = gda_set_new_inline (1, "TITLE_AS_FIRST_LINE", G_TYPE_BOOLEAN, TRUE);
file = g_build_filename (CHECK_FILES, "tests", "data-models", "city.csv", NULL);
city_model = gda_data_model_import_new_file (file, TRUE, options);
g_free (file);
file = g_build_filename (CHECK_FILES, "tests", "data-models", "country.csv", NULL);
country_model = gda_data_model_import_new_file (file, TRUE, options);
g_free (file);
g_object_unref (options);
/* Add data models to connection */
if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), city_model, "city", &error))
g_error ("Add city model error: %s\n", error && error->message ? error->message : "no detail");
if (!gda_vconnection_data_model_add_model (GDA_VCONNECTION_DATA_MODEL (cnc), country_model, "country", &error))
g_error ("Add country model error: %s\n", error && error->message ? error->message : "no detail");
/* test */
GdaDataModel *model;
model = run_sql_select (cnc, "SELECT c.*, o.name FROM city c INNER JOIN country o ON (c.countrycode = o.code)");
gda_data_model_dump (model, stdout);
g_object_unref (model);
retval = TRUE;
g_object_unref (city_model);
g_object_unref (country_model);
g_object_unref (cnc);
g_object_unref (provider);
g_print ("%s() is %s\n", __FUNCTION__, retval ? "Ok" : "NOT Ok");
return retval;
}
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);
g_print ("EXECUTING [%s]\n", sql);
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;
}
static gboolean
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);
g_print ("EXECUTING [%s]\n", sql);
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");
if (error)
g_error_free (error);
return FALSE;
}
return TRUE;
}
|
