cloud-fan commented on code in PR #38005:
URL: https://github.com/apache/spark/pull/38005#discussion_r1024306166
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/RewriteRowLevelCommand.scala:
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@@ -68,4 +73,58 @@ trait RewriteRowLevelCommand extends Rule[LogicalPlan] {
operation.requiredMetadataAttributes,
relation)
}
+
+ protected def resolveRowIdAttrs(
+ relation: DataSourceV2Relation,
+ operation: RowLevelOperation): Seq[AttributeReference] = {
+
+ operation match {
+ case supportsDelta: SupportsDelta =>
+ val rowIdAttrs = V2ExpressionUtils.resolveRefs[AttributeReference](
+ supportsDelta.rowId,
+ relation)
+
+ val nullableRowIdAttrs = rowIdAttrs.filter(_.nullable)
+ if (nullableRowIdAttrs.nonEmpty) {
+ throw QueryCompilationErrors.nullableRowIdError(nullableRowIdAttrs)
+ }
+
+ rowIdAttrs
+
+ case _ =>
+ throw
QueryCompilationErrors.notDeltaBasedRowLevelOperationError(operation)
Review Comment:
this should never happen, we can throw `SparkException.internalError`
directly.
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