wForget commented on code in PR #7127:
URL: https://github.com/apache/kyuubi/pull/7127#discussion_r2192101696
##########
extensions/spark/kyuubi-spark-lineage/src/main/scala/org/apache/kyuubi/plugin/lineage/helper/SparkSQLLineageParseHelper.scala:
##########
@@ -307,7 +310,35 @@ trait LineageParser {
extractColumnsLineage(getQuery(plan), parentColumnsLineage).map { case
(k, v) =>
k.withName(s"$table.${k.name}") -> v
}
+ case p if p.nodeName == "MergeRows" =>
+ val instructionsOutputs =
+ getField[Seq[Expression]](p, "matchedInstructions")
+ .map(extractInstructionOutputs) ++
+ getField[Seq[Expression]](p, "notMatchedInstructions")
+ .map(extractInstructionOutputs)
+ val nextColumnsLineage = ListMap(p.output.indices.map { index =>
+ val keyAttr = p.output(index)
+ val instructionOutputs = instructionsOutputs.map(_(index))
Review Comment:
Is this index match always correct?
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