sunchao commented on a change in pull request #30979:
URL: https://github.com/apache/spark/pull/30979#discussion_r550332349
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/command/v1/AlterTableDropPartitionSuite.scala
##########
@@ -42,6 +42,18 @@ trait AlterTableDropPartitionSuiteBase extends
command.AlterTableDropPartitionSu
checkPartitions(t) // no partitions
}
}
+
+ test("SPARK-33941: invalidate cache after partition dropping") {
+ withNamespaceAndTable("ns", "tbl") { t =>
+ sql(s"CREATE TABLE $t (id int, part int) $defaultUsing PARTITIONED BY
(part)")
+ sql(s"INSERT INTO $t PARTITION (part=0) SELECT 0")
+ val df = spark.table(t)
+ df.cache()
+ assert(!df.isEmpty)
+ sql(s"ALTER TABLE $t DROP PARTITION (part=0)")
+ assert(df.isEmpty)
Review comment:
Hmm interesting... I thought this should have been addressed via #30699
but maybe it's a different one. I'll check this when I have time too.
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