bool Extractor::extract(std::size_t pos, Poco::Data::CLOB& val)
{
if (_metadata.columnsReturned() <= pos)
throw MySQLException("Extractor: attempt to extract more paremeters, than query result contain");
if (_metadata.isNull(static_cast<Poco::UInt32>(pos)))
return false;
if (_metadata.metaColumn(static_cast<Poco::UInt32>(pos)).type() != Poco::Data::MetaColumn::FDT_BLOB)
throw MySQLException("Extractor: not a blob");
val.assignRaw(reinterpret_cast<const char*>(_metadata.rawData(pos)), _metadata.length(pos));
return true;
}
void Binder::bind(std::size_t pos, const Poco::Data::CLOB& val, Direction dir)
{
poco_assert(dir == PD_IN);
realBind(pos, MYSQL_TYPE_BLOB, val.rawContent(), static_cast<int>(val.size()));
}
void Binder::bind(std::size_t pos, const Poco::Data::CLOB& val, Direction dir, const WhenNullCb& nullCb)
{
poco_assert(dir == PD_IN);
realBind(pos, Poco::Data::MetaColumn::FDT_CLOB, &val, static_cast<int>(val.size()));
}