zhztheplayer commented on code in PR #6517:
URL: https://github.com/apache/incubator-gluten/pull/6517#discussion_r1743266173
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gluten-core/src/main/scala/org/apache/gluten/extension/columnar/OffloadSingleNode.scala:
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@@ -265,13 +265,35 @@ case class OffloadProject() extends OffloadSingleNode
with LogLevelUtil {
newProjectList
}
+ def replaceInputFileAttr(namedExpr: NamedExpression): NamedExpression =
namedExpr.name match {
+ case "input_file_name" =>
+ Alias(InputFileName(), namedExpr.name)(namedExpr.exprId)
+ case "input_file_block_start" =>
+ Alias(InputFileBlockStart(), namedExpr.name)(namedExpr.exprId)
+ case "input_file_block_length" =>
+ Alias(InputFileBlockLength(), namedExpr.name)(namedExpr.exprId)
+ case _ => namedExpr
+ }
+
plan match {
case f: FileSourceScanExec =>
- f.copy(output = genNewOutput(f.output))
+ if (FallbackTags.nonEmpty(f)) {
+ val p =
ProjectExec(genNewOutput(f.output).map(replaceInputFileAttr), f)
+ FallbackTags.add(p, "fallback input file expression")
+ p
+ } else {
+ f.copy(output = genNewOutput(f.output))
+ }
case f: FileSourceScanExecTransformer =>
f.copy(output = genNewOutput(f.output))
case b: BatchScanExec =>
- b.copy(output =
genNewOutput(b.output).asInstanceOf[Seq[AttributeReference]])
+ if (FallbackTags.nonEmpty(b)) {
+ val p =
ProjectExec(genNewOutput(b.output).map(replaceInputFileAttr), b)
+ FallbackTags.add(p, "fallback input file expression")
+ p
+ } else {
+ b.copy(output =
genNewOutput(b.output).asInstanceOf[Seq[AttributeReference]])
+ }
case b: BatchScanExecTransformer =>
Review Comment:
Is there real case that we see a `BatchScanExecTransformer` in
`OffloadProject`? Since `OffloadOthers` is executed after `OffloadProject`.
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