3839 static PyObject *
3840 PLy_subtransaction_enter(PyObject *self, PyObject *unused)
3841 {
3842 	PLySubtransactionData *subxactdata;
3843 	MemoryContext oldcontext;
3844 	PLySubtransactionObject *subxact = (PLySubtransactionObject *) self;
3845 
3846 	if (subxact->started)
when considering range: -128 <= value <= -1
taking True path
3847 	{
3848 		PLy_exception_set(PyExc_ValueError, "this subtransaction has already been entered");
3849 		return NULL;
3850 	}
3851 
3852 	if (subxact->exited)
3853 	{
3854 		PLy_exception_set(PyExc_ValueError, "this subtransaction has already been exited");
3855 		return NULL;
3856 	}
3857 
3858 	subxact->started = true;
3859 	oldcontext = CurrentMemoryContext;
3860 
3861 	subxactdata = PLy_malloc(sizeof(*subxactdata));
3862 	subxactdata->oldcontext = oldcontext;
3863 	subxactdata->oldowner = CurrentResourceOwner;
3864 
3865 	BeginInternalSubTransaction(NULL);
3866 	/* Do not want to leave the previous memory context */
3867 	MemoryContextSwitchTo(oldcontext);
3868 
3869 	explicit_subtransactions = lcons(subxactdata, explicit_subtransactions);
3870 
3871 	Py_INCREF(self);
3872 	return self;
3873 }
returning (PyObject*)NULL without setting an exception
found 3 similar trace(s) to this