Function main

src/test/examples/testlo.c:199–270

}

int
main(int argc, char **argv)
{
	char	   *in_filename,
			   *out_filename;
	char	   *database;
	Oid			lobjOid;
	PGconn	   *conn;
	PGresult   *res;

	if (argc != 4)
	{
		fprintf(stderr, "Usage: %s database_name in_filename out_filename\n",
				argv[0]);
		exit(1);
	}

	database = argv[1];
	in_filename = argv[2];
	out_filename = argv[3];

	/*
	 * set up the connection
	 */
	conn = PQsetdb(NULL, NULL, NULL, NULL, database);

	/* check to see that the backend connection was successfully made */
	if (PQstatus(conn) != CONNECTION_OK)
	{
		fprintf(stderr, "%s", PQerrorMessage(conn));
		exit_nicely(conn);
	}

	/* Set always-secure search path, so malicious users can't take control. */
	res = PQexec(conn,
				 "SELECT pg_catalog.set_config('search_path', '', false)");
	if (PQresultStatus(res) != PGRES_TUPLES_OK)
	{
		fprintf(stderr, "SET failed: %s", PQerrorMessage(conn));
		PQclear(res);
		exit_nicely(conn);
	}
	PQclear(res);

	res = PQexec(conn, "begin");
	PQclear(res);
	printf("importing file \"%s\" ...\n", in_filename);
/*	lobjOid = importFile(conn, in_filename); */
	lobjOid = lo_import(conn, in_filename);
	if (lobjOid == 0)
		fprintf(stderr, "%s\n", PQerrorMessage(conn));
	else
	{
		printf("\tas large object %u.\n", lobjOid);

		printf("picking out bytes 1000-2000 of the large object\n");
		pickout(conn, lobjOid, 1000, 1000);