MisterRaindrop commented on PR #2022:
URL: https://github.com/apache/cloudberry/pull/2022#issuecomment-5788421681

   I don't think treating the whole [8000, 9000) range as unpinned is safe.
   
   The 8000-9999 range is reserved for development OIDs (including in-progress 
patches and forks), rather than for unpinned extension objects. A core catalog 
object may legitimately use an 8xxx OID during development and should still be 
treated as pinned.
   
   More importantly, this introduces an inconsistency with 
IsCatalogRelationOid(), which still treats every relation with relid < 
FirstUnpinnedObjectId (12000) as a system catalog. For example, a Yezzey 
relation with OID 8500 would become:
   
   IsPinnedObject(..., 8500) == false
   
   IsCatalogRelationOid(8500) == true
   
   So the object becomes droppable while still being classified as a system 
relation.


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