public Builder mergeFrom(org.apache.orc.OrcProto.RowIndexEntry other) { if (other == org.apache.orc.OrcProto.RowIndexEntry.getDefaultInstance()) return this; if (!other.positions_.isEmpty()) { if (positions_.isEmpty()) { positions_ = other.positions_; bitField0_ = (bitField0_ & ~0x00000001); } else { ensurePositionsIsMutable(); positions_.addAll(other.positions_); } onChanged(); } if (other.hasStatistics()) { mergeStatistics(other.getStatistics()); } this.mergeUnknownFields(other.getUnknownFields()); return this; }