Function VersionEditPrinter

src/leveldb/db/dumpfile.cc:128–141

Called on every log record (each one of which is a WriteBatch) found in a kDescriptorFile.

// Called on every log record (each one of which is a WriteBatch)
// found in a kDescriptorFile.
static void VersionEditPrinter(uint64_t pos, Slice record, WritableFile* dst) {
  std::string r = "--- offset ";
  AppendNumberTo(&r, pos);
  r += "; ";
  VersionEdit edit;
  Status s = edit.DecodeFrom(record);
  if (!s.ok()) {
    r += s.ToString();
    r.push_back('\n');
  } else {
    r += edit.DebugString();
  }
  dst->Append(r);
}

Status DumpDescriptor(Env* env, const std::string& fname, WritableFile* dst) {
  return PrintLogContents(env, fname, VersionEditPrinter, dst);