zhannngchen commented on code in PR #22282:
URL: https://github.com/apache/doris/pull/22282#discussion_r1277252109


##########
be/src/olap/tablet_meta.h:
##########
@@ -302,6 +303,10 @@ class DeleteBitmap {
     using Version = uint64_t;
     using BitmapKey = std::tuple<RowsetId, SegmentId, Version>;
     std::map<BitmapKey, roaring::Roaring> delete_bitmap; // Ordered map
+    constexpr static inline uint32_t INVALID_SEGMENT_ID = 
std::numeric_limits<uint32_t>::max();

Review Comment:
   use max()-1



##########
be/src/olap/tablet_meta.h:
##########
@@ -302,6 +303,10 @@ class DeleteBitmap {
     using Version = uint64_t;
     using BitmapKey = std::tuple<RowsetId, SegmentId, Version>;
     std::map<BitmapKey, roaring::Roaring> delete_bitmap; // Ordered map
+    constexpr static inline uint32_t INVALID_SEGMENT_ID = 
std::numeric_limits<uint32_t>::max();
+    constexpr static inline uint64_t INVALID_VERSION = 
std::numeric_limits<uint64_t>::max();

Review Comment:
   use 0



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