wangyum commented on PR #59258:
URL: https://github.com/apache/spark/pull/59258#issuecomment-6040988895

   Added row-level tests in `SQLQuerySuite` to cover both cases:
   1. Floating-point comparisons with `NaN` operands (`a < b AND b < 3.0` over 
`NaN`, finite values, and boundaries).
   2. Transitive inequality chaining across widening casts (`int < long <= 
lit`) in a join condition.
   
   Both tests verify that the inferred inequality predicate is generated when 
`spark.sql.constraintPropagation.enabled` is `true` (and absent when `false`), 
and assert that query results are identical and preserve all expected rows.


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