jatin510 opened a new issue, #1347:
URL: https://github.com/apache/datafusion-comet/issues/1347
### Describe the bug
while testing the array_repeat, getting error for following statement:
> checkSparkAnswerAndOperator(sql("SELECT array_repeat(_2, _4) from t1
where _4 is null"))
```
- array_repeat *** FAILED *** (5 seconds, 334 milliseconds)
org.apache.spark.SparkException: Job aborted due to stage failure: Task 0
in stage 2.0 failed 1 times, most recent failure: Lost task 0.0 in stage 2.0
(TID 2) (192.168.1.20 executor driver): org.apache.comet.CometNativeException:
Compute error: concat requires input of at least one array
at org.apache.comet.Native.executePlan(Native Method)
at
org.apache.comet.CometExecIterator.$anonfun$getNextBatch$1(CometExecIterator.scala:127)
at
org.apache.comet.CometExecIterator.$anonfun$getNextBatch$1$adapted(CometExecIterator.scala:125)
at org.apache.comet.vector.NativeUtil.getNextBatch(NativeUtil.scala:157)
at
org.apache.comet.CometExecIterator.getNextBatch(CometExecIterator.scala:125)
at
org.apache.comet.CometExecIterator.hasNext(CometExecIterator.scala:146)
at
org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.cometcolumnartorow_nextBatch_0$(Unknown
Source)
at
org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIteratorForCodegenStage1.processNext(Unknown
Source)
at
org.apache.spark.sql.execution.BufferedRowIterator.hasNext(BufferedRowIterator.java:43)
at
org.apache.spark.sql.execution.WholeStageCodegenExec$$anon$1.hasNext(WholeStageCodegenExec.scala:760)
at scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)
at scala.collection.Iterator$$anon$10.hasNext(Iterator.scala:460)
at org.apache.spark.util.Iterators$.size(Iterators.scala:29)
at org.apache.spark.util.Utils$.getIteratorSize(Utils.scala:1953)
at org.apache.spark.rdd.RDD.$anonfun$count$1(RDD.scala:1269)
at org.apache.spark.rdd.RDD.$anonfun$count$1$adapted(RDD.scala:1269)
at
org.apache.spark.SparkContext.$anonfun$runJob$5(SparkContext.scala:2303)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:92)
at
org.apache.spark.TaskContext.runTaskWithListeners(TaskContext.scala:161)
at org.apache.spark.scheduler.Task.run(Task.scala:139)
at
org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:554)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1529)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:557)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:842)
```
### Steps to reproduce
_No response_
### Expected behavior
It should run the test successfully, when trying to pass `null` in count
argument
### Additional context
_No response_
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