def partial_eval(self):
lhs = ES52[self.lhs].partial_eval()
rhs = ES52[self.rhs].partial_eval()
if is_literal(lhs):
if is_literal(rhs):
return FALSE if value_compare(lhs.value, rhs.value) else TRUE
else:
lhs, rhs = rhs, lhs # FLIP SO WE CAN USE TERMS FILTER
if is_literal(rhs) and same_json_type(lhs.type, BOOLEAN):
# SPECIAL CASE true == "T"
rhs = string2boolean(rhs.value)
if rhs is None:
return FALSE
rhs = Literal(rhs)
return EqOp([lhs, rhs])
if lhs.type != OBJECT and rhs.type != OBJECT and not same_json_type(
lhs.type, rhs.type):
# OBJECT MEANS WE REALLY DO NOT KNOW THE TYPE
return FALSE
if is_op(lhs, NestedOp):
return self.lang[NestedOp(path=lhs.frum,
where=AndOp(
[lhs.where,
EqOp([lhs.select, rhs])]))]
return EqOp([lhs, rhs])
def partial_eval(self):
lhs = ES52[self.lhs].partial_eval()
rhs = ES52[self.rhs].partial_eval()
if is_literal(lhs):
if is_literal(rhs):
return FALSE if value_compare(lhs.value, rhs.value) else TRUE
else:
return EqOp([rhs, lhs]) # FLIP SO WE CAN USE TERMS FILTER
return EqOp([lhs, rhs])