dbms: Server: updated comment [#METR-19266]

This commit is contained in:
Alexey Arno 2016-10-20 13:16:19 +03:00
parent 3792a9f302
commit 8dede69eb3

View File

@ -118,9 +118,9 @@ bool ValuesRowInputStream::read(Block & block)
is_null_allowed = true;
else
{
/// XXX For now we support only one level of null values, i.e.
/// XXX there are not yet such things as Array(Nullable(Array(Nullable(T))).
/// XXX Therefore the code below is valid.
/// NOTE: For now we support only one level of null values, i.e.
/// there are not yet such things as Array(Nullable(Array(Nullable(T))).
/// Therefore the code below is valid within the current limitations.
const auto array_type = typeid_cast<const DataTypeArray *>(&type);
if (array_type != nullptr)
{