weixiuli commented on code in PR #7676:
URL: https://github.com/apache/incubator-gluten/pull/7676#discussion_r1831025655
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gluten-substrait/src/main/scala/org/apache/gluten/execution/WriteFilesExecTransformer.scala:
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@@ -127,6 +131,37 @@ case class WriteFilesExecTransformer(
override protected def doValidateInternal(): ValidationResult = {
val finalChildOutput = getFinalChildOutput
+
+ def isConstantComplexType(e: Expression): Boolean = {
+ e match {
+ case Literal(_, _: ArrayType | _: MapType) => true
Review Comment:
> @weixiuli Do we need StructType check here?
Whether or not a StructType is a constant, it is captured by the
validateDataTypes and does not support vectorized writes. The
isConstantComplexType method is used to check if ArrayType/MapType is
sconstant, and if it is, it needs to fall back because velox currently supports
this scenario.
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