kazuyukitanimura commented on code in PR #3892:
URL: https://github.com/apache/datafusion-comet/pull/3892#discussion_r3080557256
##########
spark/src/test/resources/sql-tests/expressions/aggregate/corr.sql:
##########
@@ -29,3 +28,13 @@ SELECT corr(x, y) FROM test_corr
query tolerance=1e-6
SELECT grp, corr(x, y) FROM test_corr GROUP BY grp ORDER BY grp
+
+-- Test permutations of NULL and NaN
+statement
+CREATE TABLE test_corr_nan(x double, y double, grp string) USING parquet
+
+statement
+INSERT INTO test_corr_nan VALUES (cast('NaN' as double), cast('NaN' as
double), 'both_nan'), (cast('NaN' as double), 1.0, 'nan_val'), (1.0, cast('NaN'
as double), 'val_nan'), (NULL, cast('NaN' as double), 'null_nan'), (cast('NaN'
as double), NULL, 'nan_null'), (NULL, NULL, 'both_null'), (NULL, 1.0,
'null_val'), (1.0, NULL, 'val_null')
Review Comment:
updated
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