JkSelf commented on code in PR #6803:
URL: https://github.com/apache/incubator-gluten/pull/6803#discussion_r1716237087
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gluten-core/src/main/scala/org/apache/gluten/expression/ExpressionMappings.scala:
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@@ -338,8 +338,11 @@ object ExpressionMappings {
def expressionsMap: Map[Class[_], String] = {
val blacklist = GlutenConfig.getConf.expressionBlacklist
- val supportedExprs = defaultExpressionsMap ++
- expressionExtensionTransformer.extensionExpressionsMapping
+
+ var supportedExprs = defaultExpressionsMap
+ if (expressionExtensionTransformer != null) {
Review Comment:
@ulysses-you It's strange that the
`ExpressionUtil.extendedExpressionTransformer` method is returning null. I'm
not sure why this is happening. It should be return the
DefaultExpressionExtensionTransformer. Do you have any insights?
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