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from ql.ast.nodes.expressions.binary_operators.binary_operator import BinaryOperatorNode
from ql.types.boolean import QLBoolean
from ql.types.date import QLDate
from ql.types.decimal import QLDecimal
from ql.types.integer import QLInteger
from ql.types.money import QLMoney
from ql.types.undefined import QLUndefined
class GreaterEqualsOperatorNode(BinaryOperatorNode):
def __init__(self, metadata, expression_type, left_expression, right_expression, value):
super(GreaterEqualsOperatorNode, self).__init__(metadata, expression_type,
left_expression, right_expression, value)
self.__valid_types = [
(QLDate, QLDate),
(QLDecimal, QLDecimal),
(QLDecimal, QLInteger),
(QLInteger, QLInteger),
(QLInteger, QLDecimal),
(QLMoney, QLMoney),
]
def get_result_type(self):
if (self.left_expression.expression_type, self.right_expression.expression_type) in self.__valid_types:
return QLBoolean
return QLUndefined
def evaluate(self):
self.value = self.left_expression.value >= self.right_expression.value
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