2010YOUY01 commented on PR #17482:
URL: https://github.com/apache/datafusion/pull/17482#issuecomment-3395887692

   How about first splitting the 'in-equality predicate extracting logic' into 
a different PR? The idea is described in 
https://github.com/apache/datafusion/pull/17482#issuecomment-3280088456
   The current planning logic is not correct, and the above link points to 
several existing utils to handle this case easily
   ```
   > set datafusion.optimizer.allow_piecewise_merge_join = true;
   0 row(s) fetched.
   Elapsed 0.002 seconds.
   
   > explain SELECT *
   FROM range(100000) AS t1
   INNER JOIN range(1000000) AS t2
   on t1.value < (t1.value+t2.value);
   
   thread 'main' panicked at datafusion/core/src/physical_planner.rs:1310:38:
   internal error: entered unreachable code
   ```


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