haohuaijin commented on PR #19400:
URL: https://github.com/apache/datafusion/pull/19400#issuecomment-3674051762

   in this pr, the result for #19398 would to below
   ```
   FilterExec: c@2 > 0, schema=[a:Int32, b:Int32, c:Int32]
     DataSourceExec: partitions=4, partition_sizes=[1, 1, 1, 1], 
schema=[a:Int32, b:Int32, c:Int32]
   
   CoalesceBatchesExec: target_batch_size=8192, schema=[a:Int32, b:Int32]
     FilterExec: c@2 > 0, projection=[a@0, b@1], schema=[a:Int32, b:Int32]
       DataSourceExec: partitions=4, partition_sizes=[1, 1, 1, 1], 
schema=[a:Int32, b:Int32, c:Int32]
   ```
   main branch is
   ```
   FilterExec: c@2 > 0, schema=[a:Int32, b:Int32, c:Int32]
     DataSourceExec: partitions=4, partition_sizes=[1, 1, 1, 1], 
schema=[a:Int32, b:Int32, c:Int32]
   
   ProjectionExec: expr=[a@0 as a, b@1 as b], schema=[a:Int32, b:Int32]
     CoalesceBatchesExec: target_batch_size=8192, schema=[a:Int32, b:Int32, 
c:Int32]
       FilterExec: c@2 > 0, schema=[a:Int32, b:Int32, c:Int32]
         DataSourceExec: partitions=4, partition_sizes=[1, 1, 1, 1], 
schema=[a:Int32, b:Int32, c:Int32]
   ```


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