def _decimal_promoted_type(args):
precisions = []
scales = []
for arg in args:
if isinstance(arg, ir.DecimalValue):
precisions.append(arg.meta.precision)
scales.append(arg.meta.scale)
return ir.DecimalType(max(precisions), max(scales))
def _adapt_types(self, descr):
names = []
adapted_types = []
for col in descr:
names.append(col[0])
impala_typename = col[1]
typename = _impala_to_ibis_type_mapping[impala_typename.lower()]
if typename == 'decimal':
precision, scale = col[4:6]
adapted_types.append(ir.DecimalType(precision, scale))
else:
adapted_types.append(typename)
return names, adapted_types
def _decimal_scalar_ctor(precision, scale):
out_type = ir.DecimalType(precision, scale)
return ir.DecimalScalar._make_constructor(out_type)