Lokesh Jain created HUDI-6717:
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             Summary: Fix downgrade handler for 0.14.0
                 Key: HUDI-6717
                 URL: https://issues.apache.org/jira/browse/HUDI-6717
             Project: Apache Hudi
          Issue Type: Bug
            Reporter: Lokesh Jain
            Assignee: Lokesh Jain


Since the log block version (due to delete block change) has been upgraded in 
0.14.0, the delete blocks can not be read in 0.13.0 or earlier.
Similarly the addition of record level index field in metadata table leads to 
column drop error on downgrade. The Jira aims to fix the downgrade handler to 
trigger compaction and delete metadata table if user wishes to downgrade from 
version six (0.14.0) to version 5 (0.13.0).



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