def get_tuple_level_expression(self):
if self.op.val == "-" or self.op.val == "+":
left = self.left.get_aggr_arithmetic_expression()
return ArithmeticExpressionUNOP(opstr_to_op(self.op.val), left)
elif self.op.val == "not":
left = self.left.get_aggr_arithmetic_expression()
return LogicalExpressionUNOP(opstr_to_op(self.op.val), left)
else:
raise Exception("Exception: math unop not supported: {}".format(
self.op))
def get_sql_arithmetic_expression(self):
if self.op.val == "-" or self.op.val == "/" or self.op.val == "*" or self.op.val == "+":
left = self.left.get_sql_arithmetic_expression()
right = self.right.get_sql_arithmetic_expression()
return ArithmeticExpressionBINOP(opstr_to_op(self.op.val), left,
right)
else:
raise Exception("Exception: math op not supported: {}".format(
self.op))
def get_tuple_level_expression(self):
if self.op.val == "-" or self.op.val == "/" or self.op.val == "*" or self.op.val == "+":
left = self.left.get_tuple_level_expression()
right = self.right.get_tuple_level_expression()
return ArithmeticExpressionBINOP(opstr_to_op(self.op.val), left,
right)
elif self.op.val == "and" or self.op.val == "or":
left = self.left.get_tuple_level_expression()
right = self.right.get_tuple_level_expression()
return LogicalExpressionBINOP(opstr_to_op(self.op.val), left,
right)
elif self.op.val == "<=" or self.op.val == ">=" or self.op.val == "=":
left = self.left.get_tuple_level_expression()
right = self.right.get_tuple_level_expression()
return ComparisonExpressionBINOP(opstr_to_op(self.op.val), left,
right)
else:
raise Exception("Exception: math op not supported: {}".format(
self.op))