289   BlockBuilder data_block;  member
380         data_block(table_options.block_restart_interval,  in Rep()
403                 table_options, data_block)),  in Rep()
519       assert(!r->data_block.empty());  in Add()
548     r->data_block.Add(key, value);  in Add()
589   if (r->data_block.empty()) return;  in Flush()
590   WriteBlock(&r->data_block, &r->pending_handle, true /* is_data_block */);  in Flush()
1107     const auto& data_block = r->data_block_and_keys_buffers[i].first;  in EnterUnbuffered()  local
1109     assert(!data_block.empty());  in EnterUnbuffered()
1120     WriteBlock(Slice(data_block), &r->pending_handle, true /* is_data_block */);  in EnterUnbuffered()
1135   bool empty_data_block = r->data_block.empty();  in Finish()