Function serializeKeysToRawString

src/Storages/KVStorageUtils.cpp:488–507

}

std::vector<std::string> serializeKeysToRawString(
    FieldVector::const_iterator & it, FieldVector::const_iterator end, DataTypePtr key_column_type, size_t max_block_size)
{
    size_t num_keys = end - it;

    std::vector<std::string> result;
    result.reserve(num_keys);

    size_t rows_processed = 0;
    while (it < end && (max_block_size == 0 || rows_processed < max_block_size))
    {
        std::string & serialized_key = result.emplace_back();
        WriteBufferFromString wb(serialized_key);
        key_column_type->getDefaultSerialization()->serializeBinary(*it, wb, {});

        ++it;
        ++rows_processed;
    }
    return result;
}

std::vector<std::string> serializeKeysToRawString(
    FieldVector::const_iterator & it, FieldVector::const_iterator end, const DataTypes & key_column_types, size_t max_block_size)