comphead commented on issue #2646:
URL:
https://github.com/apache/datafusion-comet/issues/2646#issuecomment-3524544102
Repro:
```
test("corr - nan/null") {
withTable("t1") {
sql("""create table t1 using parquet as
select cast(null as float) f1, CAST('NaN' AS float) f2, cast(null
as double) d1, CAST('NaN' AS double) d2
from range(1)
""")
checkSparkAnswerAndOperator(
"""
|select
| corr(f1, f2) c1,
| corr(f1, f1) c2,
| corr(f2, f1) c3,
| corr(f2, f2) c4,
| corr(d1, d2) c5,
| corr(d1, d1) c6,
| corr(d2, d1) c7,
| corr(d2, d2) c8
| FROM t1""".stripMargin)
}
}
== Results ==
!== Correct Answer - 1 ==
== Spark Answer - 1 ==
struct<c1:double,c2:double,c3:double,c4:double,c5:double,c6:double,c7:double,c8:double>
struct<c1:double,c2:double,c3:double,c4:double,c5:double,c6:double,c7:double,c8:double>
![null,null,null,null,null,null,null,null]
[null,null,null,NaN,null,null,null,NaN]
```
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