dongjoon-hyun commented on a change in pull request #23905: [SPARK-24669][SQL]
Refresh table before drop database cascade
URL: https://github.com/apache/spark/pull/23905#discussion_r262712417
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
##########
@@ -218,6 +218,11 @@ class SessionCatalog(
if (dbName == DEFAULT_DATABASE) {
throw new AnalysisException(s"Can not drop default database")
}
+ if (cascade && databaseExists(dbName)) {
+ listTables(dbName).foreach { t =>
+ refreshTable(t)
Review comment:
The goal of this PR is invalidating the tables. So, let's use more narrow
API here.
```scala
- refreshTable(t)
+ invalidateCachedTable(QualifiedTableName(dbName, t.table))
```
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