ulysses-you commented on code in PR #5796:
URL: https://github.com/apache/incubator-gluten/pull/5796#discussion_r1606499181
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gluten-core/src/main/scala/org/apache/gluten/expression/UnaryExpressionTransformer.scala:
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@@ -203,43 +102,32 @@ case class RandTransformer(
substraitExprName: String,
explicitSeed: ExpressionTransformer,
original: Rand)
- extends ExpressionTransformerWithOrigin {
+ extends LeafExpressionTransformer {
Review Comment:
This is an another example to show how to work with `ExpressionTransformer`,
rand is a unary expression in vanilla Spark but native does not accpet arg,
then we mark it as leaf expression transformer.
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