Function getVectorString

src/Statistics/AutoStatsTaskLogHelper.cpp:20–36

}

static inline std::vector<String> getVectorString(const ColumnPtr & col_base, UInt64 row)
{
    auto col = static_cast<const ColumnArray *>(col_base.get());
    auto data_col = static_cast<const ColumnString *>(col->getDataPtr().get());
    auto offsets_col = static_cast<const ColumnArray::ColumnOffsets *>(col->getOffsetsPtr().get());

    auto offset = offsets_col->getElement(row);
    auto prev_offset = row == 0 ? 0 : offsets_col->getElement(row - 1);
    auto size = offset - prev_offset;

    std::vector<String> result;
    result.reserve(size);
    for (auto i = prev_offset; i < offset; ++i)
        result.emplace_back(data_col->getDataAt(i));

    return result;
}

static inline Float64 getFloat64(const ColumnPtr & col_base, UInt64 row)
{