cloud-fan commented on code in PR #58317:
URL: https://github.com/apache/spark/pull/58317#discussion_r4107569624
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/LogicalRelation.scala:
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@@ -41,7 +41,10 @@ case class LogicalRelation(
output: Seq[AttributeReference],
catalogTable: Option[CatalogTable],
override val isStreaming: Boolean,
- @transient stream: Option[SparkDataStream])
+ @transient stream: Option[SparkDataStream],
+ // Bound at analysis so sameResult / cache reuse distinguish preserve-only
vs standard
+ // CHAR/VARCHAR scans. None means the relation was not analyzed under
first-class types.
Review Comment:
Confirmed: both relation comments now define None only as no scan mode
bound, without inferring why no mode was bound.
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