plusplusjiajia opened a new pull request, #10523:
URL: https://github.com/apache/paimon/pull/10523

   ### Purpose
   
   Predicates on masked columns can match raw values or discard rows before 
masking. Evaluate them after masking and before LIMIT, authorize filter columns 
omitted from the projection, and reject explicit partition filters on masked 
keys. Preserve safe predicate pushdown and PyArrow 6 compatibility.
   
   ### Tests
   
   Adds regression coverage for append, primary-key and data-evolution tables, 
including partitions, projections, compound predicates, LIMIT and streaming 
reads. Python 3.10: 640 passed; Python 3.6: 337 passed. Flake8 passed.
   


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