Function convertToSubcolumns

src/DataTypes/NestedUtils.cpp:160–180

}

NamesAndTypesList convertToSubcolumns(const NamesAndTypesList & names_and_types)
{
    auto nested_types = getSubcolumnsOfNested(names_and_types);
    auto res = names_and_types;

    for (auto & name_type : res)
    {
        if (!isArray(name_type.type))
            continue;

        auto split = splitName(name_type.name);
        if (name_type.isSubcolumn() || split.second.empty())
            continue;

        auto it = nested_types.find(split.first);
        if (it != nested_types.end())
            name_type = NameAndTypePair{split.first, split.second, it->second, it->second->getSubcolumnType(split.second)};
    }

    return res;
}


void validateArraySizes(const Block & block)