andygrove commented on issue #2612:
URL:
https://github.com/apache/datafusion-comet/issues/2612#issuecomment-3423248058
Here is a full repro that can be added to `CometArrayExpressionSuite`:
```
test("array_reverse") {
withTempDir { dir =>
val path = new Path(dir.toURI.toString, "test.parquet")
val filename = path.toString
val random = new Random(42)
withSQLConf(CometConf.COMET_ENABLED.key -> "false") {
val options = DataGenOptions(
allowNull = true,
generateNegativeZero = false,
generateArray = true,
generateStruct = false,
generateMap = false)
ParquetGenerator.makeParquetFile(random, spark, filename, 100,
options)
}
withTempView("t1") {
val table = spark.read.parquet(filename)
table.createOrReplaceTempView("t1")
for (field <-
table.schema.fields.filter(_.dataType.isInstanceOf[ArrayType])) {
val sql = s"SELECT ${field.name}, reverse(${field.name}) FROM t1
ORDER BY ${field.name}"
checkSparkAnswer(sql)
}
}
}
}
```
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