nsivabalan opened a new pull request, #7132:
URL: https://github.com/apache/hudi/pull/7132

   ### Change Logs
   
   HoodieIncrSource was dropping every meta field from source except partition 
path. This was resulting in duplicate meta field (_hoodie_partition_path) when 
reading the 2nd table (atleast w/ incremental query). So, adding a config to 
drop all meta fields. Tested chaining 3 hudi tables in a row and it worked. 
   
   ### Impact
   
   We can chain any number of hudi tables now with Hoodie Incr Source. 
   
   ### Risk level (write none, low medium or high below)
   
   low. 
   
   ### Documentation Update
   
   New config added: 
   `hoodie.deltastreamer.source.hoodieincr.drop.all.meta.fields.from.source` 
   Default value is false. When set to true, chaining of any number of tables 
work. 
   
   ### 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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