cloud-fan commented on code in PR #51091:
URL: https://github.com/apache/spark/pull/51091#discussion_r2160996789
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/RewriteMergeIntoTable.scala:
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@@ -199,7 +199,7 @@ object RewriteMergeIntoTable extends RewriteRowLevelCommand
with PredicateHelper
// as the last MATCHED and NOT MATCHED BY SOURCE instruction
// this logic is specific to data sources that replace groups of data
val carryoverRowsOutput = Literal(WRITE_WITH_METADATA_OPERATION) +:
targetTable.output
- val keepCarryoverRowsInstruction = Keep(TrueLiteral, carryoverRowsOutput)
+ val keepCarryoverRowsInstruction = Copy(carryoverRowsOutput)
Review Comment:
is this a bug fix?
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