aokolnychyi commented on code in PR #54427:
URL: https://github.com/apache/spark/pull/54427#discussion_r2842817031
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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:
The problem is that the old behavior breaks correctness. What if someone
modified a comment or a property and does SHOW TABLE and doesn't see the
changes because the cache wasn't invalidated? Or worse. The schema is not
updated. So you evolve the schema but it is not reflected?
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