Function null_count

cpp/src/parquet/column_reader.h:378–378

\brief Number of nulls in the leaf that we have read so far into the values vector. This is only valid when !read_dense_for_nullable(). When read_dense_for_nullable() it will always be 0.

  /// values vector. This is only valid when !read_dense_for_nullable(). When
  /// read_dense_for_nullable() it will always be 0.
  int64_t null_count() const { return null_count_; }

  /// \brief True if the leaf values are nullable
  bool nullable_values() const { return nullable_values_; }