def type_to_ql_typeref(t: s_obj.Object,
*,
_name=None,
ctx: context.ContextLevel) -> qlast.TypeName:
if t.is_any():
result = qlast.TypeName(name=_name, maintype=qlast.AnyType())
elif t.is_anytuple():
result = qlast.TypeName(name=_name, maintype=qlast.AnyTuple())
elif not isinstance(t, s_abc.Collection):
result = qlast.TypeName(name=_name,
maintype=qlast.ObjectRef(
module=t.get_name(ctx.env.schema).module,
name=t.get_name(ctx.env.schema).name))
elif isinstance(t, s_abc.Tuple) and t.named:
result = qlast.TypeName(
name=_name,
maintype=qlast.ObjectRef(name=t.schema_name),
subtypes=[
type_to_ql_typeref(st, _name=sn, ctx=ctx)
for sn, st in t.iter_subtypes(ctx.env.schema)
])
else:
result = qlast.TypeName(name=_name,
maintype=qlast.ObjectRef(name=t.schema_name),
subtypes=[
type_to_ql_typeref(st, ctx=ctx)
for st in t.get_subtypes(ctx.env.schema)
])
return result
def pg_type_from_object(schema: s_schema.Schema,
obj: s_obj.Object,
persistent_tuples: bool = False) -> Tuple[str, ...]:
if isinstance(obj, s_scalars.ScalarType):
return pg_type_from_scalar(schema, obj)
elif obj.is_type() and obj.is_anytuple(schema):
return ('record', )
elif isinstance(obj, s_abc.Tuple):
if persistent_tuples:
return common.get_tuple_backend_name(obj.id, catenate=False)
else:
return ('record', )
elif isinstance(obj, s_abc.Array):
if obj.is_polymorphic(schema):
return ('anyarray', )
else:
tp = pg_type_from_object(schema,
obj.get_subtypes(schema)[0],
persistent_tuples=persistent_tuples)
return pg_type_array(tp)
elif isinstance(obj, s_objtypes.ObjectType):
return ('uuid', )
elif obj.is_type() and obj.is_any(schema):
return ('anyelement', )
else:
raise ValueError(f'could not determine PG type for {obj!r}')