1 files changed, 8 insertions, 0 deletions
diff --git a/db/dbformat.cc b/db/dbformat.cc
index f0bd9d01e..c10f95482 100644
--- a/db/dbformat.cc
+++ b/db/dbformat.cc
@@ -21,6 +21,14 @@ uint64_t PackSequenceAndType(uint64_t seq, ValueType t) {
   return (seq << 8) | t;
 }
 
+void UnPackSequenceAndType(uint64_t packed, uint64_t* seq, ValueType* t) {
+  *seq = packed >> 8;
+  *t = static_cast<ValueType>(packed & 0xff);
+
+  assert(*seq <= kMaxSequenceNumber);
+  assert(*t <= kValueTypeForSeek);
+}
+
 void AppendInternalKey(std::string* result, const ParsedInternalKey& key) {
   result->append(key.user_key.data(), key.user_key.size());
   PutFixed64(result, PackSequenceAndType(key.sequence, key.type));