wenzhenghu commented on PR #65126:
URL: https://github.com/apache/doris/pull/65126#issuecomment-4999586705

   While addressing the two HMS event-related correctness findings raised 
during the review of this PR, we performed a broader audit of the HMS 
incremental event processing paths, including database/table create, drop and 
rename events, table refresh/insert events, and partition add/drop/alter events.
   
   That audit identified four additional correctness gaps that are already 
present on the current `master` baseline and were not introduced by this PR:
   
   1. ALTER TABLE/ALTER DATABASE rename may be incorrectly cancelled because 
the so-called local existence check can load through to HMS.
   2. ADD/DROP PARTITION events do not fence an in-flight partition-values 
load, and DROP may skip partition/file cache invalidation when the 
partition-values entry is cold.
   3. Incremental CREATE_DATABASE/CREATE_TABLE events can bypass 
`include_database_list`, `exclude_database_list`, or `include_table_list` 
visibility filters.
   4. DROP_PARTITION records a database deletion instead of a partition 
deletion in `ExternalMetaIdMgr`.
   
   These baseline issues are now tracked separately in #65750, with code 
references, reproduction scenarios, and suggested fixes. Keeping them in a 
dedicated issue allows the current PR to remain focused on the HMS event 
regressions found during its review while ensuring the broader findings are not 
lost and can be fixed in follow-up PRs.


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