size_t NamesAndTypesList::sizeOfDifference(const NamesAndTypesList & rhs) const
{
NamesAndTypes vector(rhs.begin(), rhs.end());
vector.insert(vector.end(), begin(), end());
std::sort(vector.begin(), vector.end());
return (std::unique(vector.begin(), vector.end()) - vector.begin()) * 2 - size() - rhs.size();
}
bool NamesAndTypesList::isSubsetOf(const NamesAndTypesList & rhs) const
{
NamesAndTypes vector(rhs.begin(), rhs.end());
vector.insert(vector.end(), begin(), end());
std::sort(vector.begin(), vector.end());
return std::unique(vector.begin(), vector.end()) == vector.begin() + rhs.size();
}
static std::string listOfColumns(const NamesAndTypesList & available_columns)
{
std::stringstream s;
for (NamesAndTypesList::const_iterator it = available_columns.begin(); it != available_columns.end(); ++it)
{
if (it != available_columns.begin())
s << ", ";
s << it->name;
}
return s.str();
}
void NamesAndTypesList::getDifference(const NamesAndTypesList & rhs, NamesAndTypesList & deleted, NamesAndTypesList & added) const
{
NamesAndTypes lhs_vector(begin(), end());
std::sort(lhs_vector.begin(), lhs_vector.end());
NamesAndTypes rhs_vector(rhs.begin(), rhs.end());
std::sort(rhs_vector.begin(), rhs_vector.end());
std::set_difference(lhs_vector.begin(), lhs_vector.end(), rhs_vector.begin(), rhs_vector.end(),
std::back_inserter(deleted));
std::set_difference(rhs_vector.begin(), rhs_vector.end(), lhs_vector.begin(), lhs_vector.end(),
std::back_inserter(added));
}