blob: df1dc6c3609b42dcf770c0acd391c78a1c6d6fa8 (
plain)
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
|
/*-------------------------------------------------------------------------
*
* lotest.cc--
* test using large objects with libpq
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/interfaces/libpq++/examples/Attic/testlo.cc,v 1.3 1997/02/13 10:01:05 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
#include <iostream.h>
#include <libpq++.h>
#include <stdlib.h>
int main(int argc, char **argv)
{
// Check if the program was invoked correctly; if not, signal error
if (argc < 4 || argc > 5) {
cerr << "Usage: " << argv[0] << " database_name in_filename out_filename [oid]" << endl;
exit(1);
}
// Get the arguments passed to the program
char* database = argv[1];
char* in_filename = argv[2];
char* out_filename = argv[3];
// Set up the connection and create a large object
int lobjId = ( argc == 4 ? 0 : atoi(argv[4]) );
PgLargeObject object(lobjId, database);
// check to see that the backend connection was successfully made
if ( object.ConnectionBad() ) {
cerr << "Connection to database '" << database << "' failed." << endl
<< object.ErrorMessage();
exit(1);
}
// Test the import and export features of the Large Object interface
object.Exec("BEGIN");
cout << "Importing file \"" << in_filename << "\"..." << endl;
object.Import(in_filename);
cout << "Exporting large object to file \"" << out_filename << "\"..." << endl;
object.Export(out_filename);
object.Exec("END"); // WHY DOES IT CORE DUMP HERE ???
}
|