Method writeColumn

src/Processors/Formats/Impl/ORCBlockOutputFormat.cpp:283–515

}

void ORCBlockOutputFormat::writeColumn(
    orc::ColumnVectorBatch & orc_column,
    const IColumn & column,
    DataTypePtr & type,
    const PaddedPODArray<UInt8> * null_bytemap)
{
    orc_column.notNull.resize(column.size());
    if (null_bytemap)
        orc_column.hasNulls = true;

    switch (type->getTypeId())
    {
        case TypeIndex::Enum8: [[fallthrough]];
        case TypeIndex::Int8:
        {
            /// Note: Explicit cast to avoid clang-tidy error: 'signed char' to 'long' conversion; consider casting to 'unsigned char' first.
            writeNumbers<Int8, orc::LongVectorBatch>(orc_column, column, null_bytemap, [](const Int8 & value){ return static_cast<int64_t>(value); });
            break;
        }
        case TypeIndex::UInt8:
        {
            writeNumbers<UInt8, orc::LongVectorBatch>(orc_column, column, null_bytemap, [](const UInt8 & value){ return value; });
            break;
        }
        case TypeIndex::Enum16: [[fallthrough]];
        case TypeIndex::Int16:
        {
            writeNumbers<Int16, orc::LongVectorBatch>(orc_column, column, null_bytemap, [](const Int16 & value){ return value; });
            break;
        }
        case TypeIndex::Date: [[fallthrough]];
        case TypeIndex::UInt16:
        {
            writeNumbers<UInt16, orc::LongVectorBatch>(orc_column, column, null_bytemap, [](const UInt16 & value){ return value; });
            break;
        }
        case TypeIndex::Date32: [[fallthrough]];
        case TypeIndex::Int32:
        {
            writeNumbers<Int32, orc::LongVectorBatch>(orc_column, column, null_bytemap, [](const Int32 & value){ return value; });
            break;
        }
        case TypeIndex::UInt32:
        {
            writeNumbers<UInt32, orc::LongVectorBatch>(orc_column, column, null_bytemap, [](const UInt32 & value){ return value; });
            break;
        }
        case TypeIndex::IPv4:
        {
            writeNumbers<IPv4, orc::LongVectorBatch>(orc_column, column, null_bytemap, [](const IPv4 & value){ return value.toUnderType(); });
            break;
        }
        case TypeIndex::Int64:
        {
            writeNumbers<Int64, orc::LongVectorBatch>(orc_column, column, null_bytemap, [](const Int64 & value){ return value; });
            break;
        }
        case TypeIndex::UInt64: