zephyring opened a new pull request, #25043:
URL: https://github.com/apache/superset/pull/25043

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   ### SUMMARY
   <!--- Describe the change below, including rationale and design decisions -->
   The `perm` and `schema_perm` attributes for dataset model is out of sync due 
to unreliably using sqlalchemy `get_history` method where the history state 
depends on whether the session has flushed or not.
   Previously we have logic in `before_update` and `after_update` and 
permission sync logic in `after_update` will not be deterministic due to 
session flush.
   
   This PR moves permission sync logic into `before_update` and directly using 
connection.execute to check current db state instead of relying on session 
state to make sure we can detect actual db/table/schema changes to trigger 
permission update.
   
   It also clean up shadow_dataset_write logic out as we no longer support it 
but the database attribute is still not lazily loaded when dataset.database 
attribute is accessed. Thus I leave the `load_database` method there still.
   
   ### BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF
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   ### TESTING INSTRUCTIONS
   <!--- Required! What steps can be taken to manually verify the changes? -->
   
   ### ADDITIONAL INFORMATION
   <!--- Check any relevant boxes with "x" -->
   <!--- HINT: Include "Fixes #nnn" if you are fixing an existing issue -->
   - [ ] Has associated issue:
   - [ ] Required feature flags:
   - [ ] Changes UI
   - [ ] Includes DB Migration (follow approval process in 
[SIP-59](https://github.com/apache/superset/issues/13351))
     - [ ] Migration is atomic, supports rollback & is backwards-compatible
     - [ ] Confirm DB migration upgrade and downgrade tested
     - [ ] Runtime estimates and downtime expectations provided
   - [ ] Introduces new feature or API
   - [ ] Removes existing feature or API
   


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