gengliangwang commented on code in PR #54427:
URL: https://github.com/apache/spark/pull/54427#discussion_r2843471038
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2Strategy.scala:
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@@ -579,7 +579,11 @@ class DataSourceV2Strategy(session: SparkSession) extends
Strategy with Predicat
val table = a.table.asInstanceOf[ResolvedTable]
ResolveTableConstraints.validateCatalogForTableChange(
a.changes, table.catalog, table.identifier)
- AlterTableExec(table.catalog, table.identifier, a.changes) :: Nil
+ AlterTableExec(
+ table.catalog,
+ table.identifier,
+ a.changes,
+ recacheTable(table, includeTimeTravel = false)) :: Nil
Review Comment:
For behavior changes, we always add a flag `spark.sql.legacy.ABC`. See
https://spark.apache.org/docs/latest/sql-migration-guide.html for details. Most
of the legacy behaviors doesn't make sense.
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