Method IsRowNull

be/src/exec/hash-table.h:335–335

    /// Returns true if the current row is null but nulls are not considered in the
    /// current phase (build or probe).
    bool ALWAYS_INLINE IsRowNull() const { return null_bitmap_.Get(CurIdx()); }

    /// Record in a bitmap that the current row is null but nulls are not considered in
    /// the current phase (build or probe).