def __init__(self, when_tuples, else_expr):
        self.when_tuples = when_tuples
        self.else_expr = else_expr
Introspection of column names consist/start with digits (#16536/#17676)
dataset/ETHPy150Open uwescience/raco/raco/expression/expression.py/Case.__init__--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/tests/regressiontests/inspectdb/tests.py/InspectDBTestCase.test_digits_column_name_introspection