andygrove commented on issue #1926:
URL:
https://github.com/apache/datafusion-comet/issues/1926#issuecomment-3498528829
Here is a test that can be added to the `CometFuzzTestSuite`:
```scala
test("select size of array") {
val df = spark.read.parquet(filename)
df.createOrReplaceTempView("t1")
val cols = df.schema.fields.filter(_.dataType.isInstanceOf[ArrayType])
for (col <- cols) {
val sql = s"SELECT size(${col.name}) FROM t1 ORDER BY ${col.name}"
if (usingDataSourceExec) {
checkSparkAnswerAndOperator(sql)
} else {
checkSparkAnswer(sql)
}
}
}
```
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