Method EstimatedDataEncodedSize

cpp/src/parquet/encoder.cc:497–501

Returns a conservative estimate of the number of bytes needed to encode the buffered indices. Used to size the buffer passed to WriteIndices().

  /// Returns a conservative estimate of the number of bytes needed to encode the buffered
  /// indices. Used to size the buffer passed to WriteIndices().
  int64_t EstimatedDataEncodedSize() override {
    return kDataPageBitWidthBytes +
           RlePreserveBufferSize(static_cast<int64_t>(buffered_indices_.size()),
                                 bit_width());
  }

  /// The minimum bit width required to encode the currently buffered indices.
  int bit_width() const override {