shehabgamin commented on code in PR #15168:
URL: https://github.com/apache/datafusion/pull/15168#discussion_r1994946916


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datafusion/sqllogictest/test_files/spark/math/expm1.slt:
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+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
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+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
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+# with the License.  You may obtain a copy of the License at
+
+#   http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing,
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+# under the License.
+

Review Comment:
   > ... what would be involved in being able to run these same sqllogic test 
files in Spark (either in CI or manually locally) to confirm same/similar 
results
   
   One option:
   1. A Python script to automatically generate Spark SQL function test cases 
and their results using PySpark.
   2. A README for developers explaining how to run the script and commit the 
test cases.
   3. An optional CI workflow to verify the correctness of the test cases' 
ground truth on demand.
   
   Separate topic... Do you have ideas about fuzzy testing and its suitability 
in DataFusion?



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