Yifeng-Wang commented on code in PR #9107:
URL: https://github.com/apache/incubator-gluten/pull/9107#discussion_r2453867254
##########
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:
To add some context,
at Gluten side in `ExpressionNames.scala`. I had e.g.:
`final val VARCHAR_TYPE_WRITE_SIDE_CHECK = "varchar_type_write_side_check"` .
And at velox side, there is
```
registerFunction<
VarcharTypeWriteSideCheckFunction,
Varchar,
Varchar,
int32_t>
({prefix + "varchar_type_write_side_check"});
```
so I guess substrait function name (from
`ExpressionNames.VARCHAR_TYPE_WRITE_SIDE_CHECK =
"varchar_type_write_side_check"`) already matches the Velox registered function
name (prefix + "varchar_type_write_side_check").
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