aokolnychyi commented on a change in pull request #2017:
URL: https://github.com/apache/iceberg/pull/2017#discussion_r551262767
##########
File path:
spark3-extensions/src/main/scala/org/apache/spark/sql/catalyst/optimizer/RewriteDelete.scala
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@@ -66,117 +75,120 @@ object RewriteDelete extends Rule[LogicalPlan] with
PredicateHelper with Logging
private val FILE_NAME_COL = "_file"
private val ROW_POS_COL = "_pos"
- override def apply(plan: LogicalPlan): LogicalPlan = plan resolveOperators {
- // don't rewrite deletes that can be answered by passing filters to
deleteWhere in SupportsDelete
- case d @ DeleteFromTable(r: DataSourceV2Relation, Some(cond)) if
isMetadataDelete(r, cond) =>
- d
+ private case class MergeTable(
+ table: Table with SupportsMerge,
+ operation: String) extends Table with SupportsRead with SupportsWrite {
Review comment:
We should be careful as `MergeTable` won't extend all interfaces the
original table implements. Some of them are optional like
`SupportsMetadataColumns`.
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