Var::operator CLOB () const
{
VarHolder* pHolder = content();
if (!pHolder)
throw InvalidAccessException("Can not convert empty value.");
if (typeid(CLOB) == pHolder->type())
return extract<CLOB>();
else
{
std::string result;
pHolder->convert(result);
return CLOB(result);
}
}
Var::operator Time () const
{
VarHolder* pHolder = content();
if (!pHolder)
throw InvalidAccessException("Can not convert empty value.");
if (typeid(Time) == pHolder->type())
return extract<Time>();
else
{
Poco::DateTime result;
pHolder->convert(result);
return Time(result);
}
}
Var::operator BLOB () const
{
VarHolder* pHolder = content();
if (!pHolder)
throw InvalidAccessException("Can not convert empty value.");
if (typeid(BLOB) == pHolder->type())
return extract<BLOB>();
else
{
std::string result;
pHolder->convert(result);
return BLOB(reinterpret_cast<const unsigned char*>(result.data()),
result.size());
}
}
