Function transformHeader

src/Dictionaries/DictionarySourceHelpers.cpp:93–99

}

static Block transformHeader(Block header, Block block_to_add)
{
    for (Int64 i = static_cast<Int64>(block_to_add.columns() - 1); i >= 0; --i)
        header.insert(0, block_to_add.getByPosition(i).cloneEmpty());

    return header;
}

TransformWithAdditionalColumns::TransformWithAdditionalColumns(
    SharedHeader block_to_add_, SharedHeader header)