in awsglue/gluetypes.py [0:0]
def _make_choice(s1, s2):
if isinstance(s1, ChoiceType):
left_types = s1.choices
else:
left_types = {s1.typeName(): s1}
if isinstance(s2, ChoiceType):
right_types = s2.choices
else:
right_types = {s2.typeName(): s2}
for typecode, datatype in iteritems(left_types):
if typecode in right_types:
right_types[typecode] = mergeDataTypes(datatype,
right_types[typecode])
else:
right_types[typecode] = datatype
return ChoiceType(right_types.values(), s1.properties)