rui-mo commented on code in PR #9107:
URL: https://github.com/apache/incubator-gluten/pull/9107#discussion_r2458622131
##########
gluten-substrait/src/main/scala/org/apache/gluten/expression/ExpressionConverter.scala:
##########
@@ -144,6 +144,66 @@ object ExpressionConverter extends SQLConfHelper with
Logging {
DecimalArithmeticExpressionTransformer(substraitName, leftChild,
rightChild, resultType, b)
}
+ private def replaceStaticInvokeWithExpressionTransformer(
+ i: StaticInvoke,
+ attributeSeq: Seq[Attribute],
+ expressionsMap: Map[Class[_], String]): ExpressionTransformer = {
+ def validateAndTransform(
+ exprName: String,
+ childTransformers: => Seq[ExpressionTransformer]):
ExpressionTransformer = {
+ if (!BackendsApiManager.getValidatorApiInstance.doExprValidate(exprName,
i)) {
+ throw new GlutenNotSupportException(
+ s"Not supported to map current ${i.getClass} call on function:
${i.functionName}.")
+ }
+ GenericExpressionTransformer(exprName, childTransformers, i)
+ }
+
+ i.functionName match {
+ case "encode" | "decode" if i.objectName.endsWith("UrlCodec") =>
+ validateAndTransform(
+ "url_" + i.functionName,
+ Seq(replaceWithExpressionTransformer0(i.arguments.head,
attributeSeq, expressionsMap))
+ )
+
+ case "isLuhnNumber" =>
+ validateAndTransform(
+ ExpressionNames.LUHN_CHECK,
+ Seq(replaceWithExpressionTransformer0(i.arguments.head,
attributeSeq, expressionsMap))
+ )
+
+ case "encode" | "decode" if i.objectName.endsWith("Base64") =>
+ if
(!BackendsApiManager.getValidatorApiInstance.doExprValidate(ExpressionNames.BASE64,
i)) {
+ throw new GlutenNotSupportException(
+ s"Not supported to map current ${i.getClass} call on function:
${i.functionName}.")
+ }
+
BackendsApiManager.getSparkPlanExecApiInstance.genBase64StaticInvokeTransformer(
+ ExpressionNames.BASE64,
+ replaceWithExpressionTransformer0(i.arguments.head, attributeSeq,
expressionsMap),
+ i
+ )
+
+ case fn
+ if i.objectName.endsWith("CharVarcharCodegenUtils") && Set(
+ "varcharTypeWriteSideCheck",
+ "charTypeWriteSideCheck",
+ "readSidePadding").contains(fn) =>
+ val exprName = fn match {
+ case "varcharTypeWriteSideCheck" =>
ExpressionNames.VARCHAR_TYPE_WRITE_SIDE_CHECK
+ case "charTypeWriteSideCheck" =>
ExpressionNames.CHAR_TYPE_WRITE_SIDE_CHECK
+ case "readSidePadding" => ExpressionNames.READ_SIDE_PADDING
Review Comment:
Typically, in Gluten’s ExpressionNames.scala, the Spark function names are
defined, while in the C++ map, the corresponding function names for a specific
backend are provided. For instance, the Spark function add might be represented
as plus in certain backends. To maintain consistency, Gluten’s Scala side keeps
Spark’s original naming (e.g., add), and it is the responsibility of each
backend to map it to the appropriate equivalent name. This is just a minor
suggestion—please feel free to decide whether you’d like to make this change.
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