sarutak commented on code in PR #7378:
URL: https://github.com/apache/arrow-datafusion/pull/7378#discussion_r1303199721


##########
datafusion/sqllogictest/test_files/predicates.slt:
##########
@@ -249,6 +249,40 @@ SELECT * FROM test WHERE column1 IN ('foo', 'Bar', 'fazzz')
 foo
 fazzz
 
+statement ok
+CREATE TABLE IF NOT EXISTS test_float AS 
VALUES(1.2),(2.1),(NULL),('NaN'::double),('-NaN'::double);
+
+# async fn in_list_float
+query R
+SELECT * FROM test_float WHERE column1 IN (0.0, -1.2)
+----
+
+query R
+SELECT * FROM test_float WHERE column1 IN (0.0, 1.2)
+----
+1.2
+
+query R
+SELECT * FROM test_float WHERE column1 IN (2.1, 1.2)
+----
+1.2
+2.1
+
+query R
+SELECT * FROM test_float WHERE column1 IN (0.0, 1.2, NULL)
+----
+1.2
+
+query R
+SELECT * FROM test_float WHERE column1 IN (0.0, -1.2, NULL)
+----
+
+query R
+SELECT * FROM test_float WHERE column1 IN (0.0, 1.2, 'NaN'::double, 
'-NaN'::double)
+----
+1.2
+NaN
+NaN

Review Comment:
   It's actually `-NaN` but just shown as `NaN`.
   I've already noticed this issue and have plan to fix it.



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