def _op_call(self, name, op, *args, **kw):
akw = self._akw
if self._field or name not in akw.op_map:
return self.__super._op_call(name, op, *args, **kw)
else:
cidr_op = akw.op_map[name]
op_proxy = _QX_Call_Proxy_(self, akw, name, cidr_op(akw))
return QX.Call(self, name, op_proxy, *args, **kw)
def _op_bin(self, rhs, name, op, reverse):
akw = self._akw
if self._field or name not in akw.op_map:
return self.__super._op_bin(rhs, name, op, reverse)
else:
cidr_op = akw.op_map[name]
op_proxy = _QX_Bin_Proxy_(self, akw, name, cidr_op(akw))
return QX.Bin(self, name, op_proxy, rhs, reverse)
def _op_call (self, name, op, * args, ** kw) :
akw = self._akw
if name not in akw.op_map :
return self.__super._op_call (name, op, * args, ** kw)
else :
op_getter = akw.op_map [name]
op_name = op_getter (akw)
op_proxy = _QX_Call_Proxy_ (self, akw, name, op_name)
result = QX.Call (self, name, op_proxy, * args, ** kw)
return result
def _op_bin (self, rhs, name, op, reverse) :
akw = self._akw
if name not in akw.op_map :
return self.__super._op_bin (rhs, name, op, reverse)
else :
op_getter = akw.op_map [name]
op_name = op_getter (akw)
op_proxy = _QX_Bin_Proxy_ (self, akw, name, op_name)
result = QX.Bin (self, name, op_proxy, rhs, reverse)
return result
def show_joins(apt, ET, q):
qr = apt.DBW.PNS.Q_Result.E_Type(apt[ET], _strict=False)
qx = QX.Mapper(qr)(q)
try:
qx.XS_FILTER ### might trigger additional joins
except Exception:
pass
print(ET, " : ", q)
for j in qx.JOINS:
print \
( " ", "%-5.5s" % j.joiner.__name__.upper ()
, " = ".join (str (c) for c in j.cols)
)
def _get_xs (self, criteria, sa_query, xs_name, adder) :
QX = self.QX
joined = self._joined
join = orig_join = sa_query.froms [-1]
xs = []
for c in criteria :
if isinstance (c, SA.Operators) :
xs.append (c)
elif c is not None :
qx = QX.Mapper (self) (c)
x = getattr (qx, xs_name)
join = self._extend_join (join, joined, qx.JOINS)
adder (xs, x)
return xs, None if join is orig_join else join
def show_xs_filter(apt, ET, q):
qr = apt.DBW.PNS.Q_Result.E_Type(apt[ET], _strict=False)
qx = QX.Mapper(qr)(q)
print(ET, " : ", q)
print(" ", qx.XS_FILTER)
def show_qx(qx, level=0):
print(QX.display(qx, level=0))
def show_columns(apt, ET, q):
qr = apt.DBW.PNS.Q_Result.E_Type(apt[ET], _strict=False)
qx = QX.Mapper(qr)(q)
print("QX." + qx.__class__.__name__, ET, " : ", q)
for c in qx._columns:
print(" ", c)
def show_qx (qx, level = 0) :
print (QX.display (qx, level = 0))