tuhaihe commented on PR #1522:
URL: https://github.com/apache/cloudberry/pull/1522#issuecomment-3737857266

   ## Binary Swap Testing Overview
   
   This PR enhances the binary swap testing infrastructure that validates 
Cloudberry version compatibility.
   
   **Core Mechanism**: Uses `test_binary_swap.sh` to orchestrate switching 
between Cloudberry versions and verify data integrity.
   
   **Key Improvements**: Strengthened the `upgrading_compatibility` test suite 
with:
   - Enhanced table schema persistence validation
   - Improved data integrity checks across storage formats (Heap, AO, AOCO)
   - Comprehensive DML operation testing
   - Robust database health verification
   
   This ensures safe version upgrades/downgrades while maintaining full 
functionality.


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