Method getNumDistinctValues

src/include/storage/stats/table_stats.h:40–43

    common::cardinality_t getTableCard() const { return cardinality; }

    common::cardinality_t getNumDistinctValues(common::column_id_t columnID) const {
        DASSERT(columnID < columnStats.size());
        return columnStats[columnID].getNumDistinctValues();
    }

    void update(const std::vector<common::ValueVector*>& vectors,
        size_t numColumns = std::numeric_limits<size_t>::max());