static PyObject *
psyco_conn_rollback(connectionObject *self)
{
EXC_IF_CONN_CLOSED(self);
EXC_IF_CONN_ASYNC(self, rollback);
EXC_IF_TPC_BEGIN(self, rollback);
if (conn_rollback(self) < 0)
return NULL;
Py_RETURN_NONE;
}
static PyObject *
psyco_conn_rollback(connectionObject *self, PyObject *args)
{
EXC_IF_CONN_CLOSED(self);
EXC_IF_CONN_ASYNC(self, rollback);
EXC_IF_TPC_BEGIN(self, rollback);
if (conn_rollback(self) < 0)
return NULL;
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *
psyco_conn_rollback(connectionObject *self, PyObject *args)
{
EXC_IF_CONN_CLOSED(self);
if (!PyArg_ParseTuple(args, ""))
return NULL;
if (conn_rollback(self))
return NULL;
Py_INCREF(Py_None);
return Py_None;
}
static PyObject *
psyco_conn_set_isolation_level(connectionObject *self, PyObject *args)
{
int level = 1;
PyObject *pyval = NULL;
EXC_IF_CONN_CLOSED(self);
EXC_IF_CONN_ASYNC(self, "isolation_level");
EXC_IF_TPC_PREPARED(self, "isolation_level");
if (!PyArg_ParseTuple(args, "O", &pyval)) return NULL;
if (pyval == Py_None) {
level = ISOLATION_LEVEL_DEFAULT;
}
/* parse from one of the level constants */
else if (PyInt_Check(pyval)) {
level = PyInt_AsLong(pyval);
if (level < 0 || level > 4) {
PyErr_SetString(PyExc_ValueError,
"isolation level must be between 0 and 4");
return NULL;
}
}
if (0 > conn_rollback(self)) {
return NULL;
}
if (level == 0) {
if (0 > conn_set_session(self, 1,
self->isolevel, self->readonly, self->deferrable)) {
return NULL;
}
}
else {
if (0 > conn_set_session(self, 0,
level, self->readonly, self->deferrable)) {
return NULL;
}
}
Py_RETURN_NONE;
}
