parthchandra commented on code in PR #1621:
URL: https://github.com/apache/datafusion-comet/pull/1621#discussion_r2036049975
##########
spark/src/main/scala/org/apache/comet/CometSparkSessionExtensions.scala:
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@@ -246,6 +183,65 @@ class CometSparkSessionExtensions
}
}
+ private def transformV2Scan(scanExec: BatchScanExec): SparkPlan = {
+
+ scanExec.scan match {
+ case scan: ParquetScan =>
+ val fallbackReasons = new ListBuffer[String]()
+ if (!CometBatchScanExec.isSchemaSupported(scan.readDataSchema)) {
+ fallbackReasons += s"Schema ${scan.readDataSchema} is not supported"
+ }
+
+ if (!CometBatchScanExec.isSchemaSupported(scan.readPartitionSchema)) {
+ fallbackReasons += s"Partition schema ${scan.readPartitionSchema} is
not supported"
+ }
+
+ if (scan.pushedAggregate.nonEmpty) {
+ fallbackReasons += "Comet does not support pushed aggregate"
+ }
+
+ if (fallbackReasons.isEmpty) {
+ val cometScan =
CometParquetScan(scanExec.scan.asInstanceOf[ParquetScan])
+ logInfo("Comet extension enabled for Scan")
+ CometBatchScanExec(
+ scanExec.copy(scan = cometScan),
+ runtimeFilters = scanExec.runtimeFilters)
+ } else {
+ withInfo(scanExec, withInfo(scanExec, fallbackReasons.mkString(",
")))
Review Comment:
How did this compile ??
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