dwsmith1983 commented on PR #5654:
URL: 
https://github.com/apache/datafusion-comet/pull/5654#issuecomment-5732301622

   > Thanks @dwsmith1983 @ErikBPF, folks, WDYT to proceed with #5786 to patch 
physical scans and then check what cases are still not addressed in this field 
and fix pursue them in this PR?
   > 
   > The initial reason I was slightly concerned is 2k LOC to patch an extreme 
scenario
   
   We can cut it down. The footer check's reason to exist went away with #6004, 
so I can drop it and its tests, which takes out the reader-factory and the Rust 
test bulk. What stays is the adapter raising Spark's error for an ambiguous 
requested id, last-wins exact names, the id shield and typed errors through the 
JNI cause chain, none of which #5786 covers. On order, #5786 currently does not 
type-check against main per @sunchao and would reject the DataFusion-written 
file you showed on #6004, so I would still land this first and let #5786 rebase 
onto the smaller diff. Does that work?


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