cloud-fan commented on code in PR #41028:
URL: https://github.com/apache/spark/pull/41028#discussion_r1184533565
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/RowDeltaUtils.scala:
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@@ -25,4 +25,5 @@ object RowDeltaUtils {
final val DELETE_OPERATION: Int = 1
final val UPDATE_OPERATION: Int = 2
final val INSERT_OPERATION: Int = 3
+ final val ORIGINAL_ROW_ID_VALUE_PREFIX: String = "__original_row_id_"
Review Comment:
can we briefly introduce how this works?
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