C++ (Cpp) lo_truncate Examples

Example #1

File: lobject_int.c Project: dvarrazzo/psycopg

RAISES_NEG int
lobject_truncate(lobjectObject *self, size_t len)
{
    int retvalue;
    PGresult *pgres = NULL;
    char *error = NULL;

    Dprintf("lobject_truncate: fd = %d, len = " FORMAT_CODE_SIZE_T,
            self->fd, len);

    Py_BEGIN_ALLOW_THREADS;
    pthread_mutex_lock(&(self->conn->lock));

#ifdef HAVE_LO64
    if (self->conn->server_version < 90300) {
        retvalue = lo_truncate(self->conn->pgconn, self->fd, len);
    } else {
        retvalue = lo_truncate64(self->conn->pgconn, self->fd, len);
    }
#else
    retvalue = lo_truncate(self->conn->pgconn, self->fd, len);
#endif
    Dprintf("lobject_truncate: result = %d", retvalue);
    if (retvalue < 0)
        collect_error(self->conn, &error);

    pthread_mutex_unlock(&(self->conn->lock));
    Py_END_ALLOW_THREADS;

    if (retvalue < 0)
        pq_complete_error(self->conn, &pgres, &error);
    return retvalue;

}

Example #2

File: lobject_int.c Project: alexjikim/psycopg2vertica

int
lobject_truncate(lobjectObject *self, size_t len)
{
    int retvalue;
    PGresult *pgres = NULL;
    char *error = NULL;

    Dprintf("lobject_truncate: fd = %d, len = " FORMAT_CODE_PY_SSIZE_T,
            self->fd, len);

    Py_BEGIN_ALLOW_THREADS;
    pthread_mutex_lock(&(self->conn->lock));

    retvalue = lo_truncate(self->conn->pgconn, self->fd, len);
    Dprintf("lobject_truncate: result = %d", retvalue);
    if (retvalue < 0)
        collect_error(self->conn, &error);

    pthread_mutex_unlock(&(self->conn->lock));
    Py_END_ALLOW_THREADS;

    if (retvalue < 0)
        pq_complete_error(self->conn, &pgres, &error);
    return retvalue;

}