nsivabalan opened a new pull request, #7421:
URL: https://github.com/apache/hudi/pull/7421

   ### Change Logs
   
   If someone has enabled schema on read by mistake and never really renamed or 
dropped a column. it should be feasible to disable schema on read. This patch 
fixes that. essentially both on read and write path, if 
"hoodie.schema.on.read.enable" config is not set, it will fallback to regular 
code path. It might fail or users might miss data if any they have performed 
any irrevocable changes like renames. But for rest, this should work. 
   
   ### Impact
   
   Users can now disable schema on read feature if need be. 
   
   Testing:
   Manually tested that we could able to read a table which had schema on read 
enabled. after disabling, upserts succeed.
   
   ### Risk level (write none, low medium or high below)
   
   low. 
   
   ### Documentation Update
   
   N/A
   
   ### Contributor's checklist
   
   - [ ] Read through [contributor's 
guide](https://hudi.apache.org/contribute/how-to-contribute)
   - [ ] Change Logs and Impact were stated clearly
   - [ ] Adequate tests were added if applicable
   - [ ] CI passed
   


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