/*
* PyPgTupleDesc_IsCurrent - determine if all the column types are current
*/
bool
PyPgTupleDesc_IsCurrent(PyObj tdo)
{
PyObj types = PyPgTupleDesc_GetTypesTuple(tdo);
Py_ssize_t i;
for (i = 0; i < PyTuple_GET_SIZE(types); ++i)
{
PyObj t;
t = PyTuple_GET_ITEM(types, i);
if (t == Py_None)
continue;
if (!PyPgType_IsCurrent(t))
return(false);
}
return(true);
}
/*
* PyPgFunction_IsCurrent - determine if the current pg_proc entry is newer than 'func'
*/
bool
PyPgFunction_IsCurrent(PyObj func)
{
HeapTuple ht;
ItemPointerData fn_tid;
TransactionId fn_xmin, last_fn_xmin;
last_fn_xmin = PyPgFunction_GetXMin(func);
if (last_fn_xmin == InvalidTransactionId)
{
/* pseudo-function */
return(true);
}
ht = SearchSysCache(PROCOID, PyPgFunction_GetOid(func), 0, 0, 0);
if (!HeapTupleIsValid(ht))
return(false);
fn_xmin = HeapTupleHeaderGetXmin(ht->t_data);
fn_tid = ht->t_self;
ReleaseSysCache(ht);
if (last_fn_xmin != fn_xmin ||
!ItemPointerEquals(PyPgFunction_GetItemPointer(func), &fn_tid))
{
return(false);
}
if (!PyPgTupleDesc_IsCurrent(PyPgFunction_GetInput(func)))
{
return(false);
}
if (!PyPgType_IsCurrent(PyPgFunction_GetOutput(func)))
return(false);
return(true);
}
