Method Add

src/leveldb/table/table_builder.cc:94–123

}

void TableBuilder::Add(const Slice& key, const Slice& value) {
  Rep* r = rep_;
  assert(!r->closed);
  if (!ok()) return;
  if (r->num_entries > 0) {
    assert(r->options.comparator->Compare(key, Slice(r->last_key)) > 0);
  }

  if (r->pending_index_entry) {
    assert(r->data_block.empty());
    r->options.comparator->FindShortestSeparator(&r->last_key, key);
    std::string handle_encoding;
    r->pending_handle.EncodeTo(&handle_encoding);
    r->index_block.Add(r->last_key, Slice(handle_encoding));
    r->pending_index_entry = false;
  }

  if (r->filter_block != nullptr) {
    r->filter_block->AddKey(key);
  }

  r->last_key.assign(key.data(), key.size());
  r->num_entries++;
  r->data_block.Add(key, value);

  const size_t estimated_block_size = r->data_block.CurrentSizeEstimate();
  if (estimated_block_size >= r->options.block_size) {
    Flush();
  }
}

void TableBuilder::Flush() {
  Rep* r = rep_;