cloud-fan commented on code in PR #43258:
URL: https://github.com/apache/spark/pull/43258#discussion_r1349854974
##########
sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/v2/jdbc/JDBCTableCatalogSuite.scala:
##########
@@ -512,4 +513,19 @@ class JDBCTableCatalogSuite extends QueryTest with
SharedSparkSession {
assert(t.schema === replaced)
}
}
+
+ test("SPARK-45449: Cache Invalidation Issue with JDBC Table") {
+ withTable("h2.test.cache_t") {
+ withConnection { conn =>
+ conn.prepareStatement(
+ """CREATE TABLE "test"."cache_t" (id decimal(25) PRIMARY KEY NOT
NULL,
+ |name TEXT(32) NOT NULL)""".stripMargin).executeUpdate()
+ }
+ sql("INSERT OVERWRITE h2.test.cache_t SELECT 1 AS id, 'a' AS name")
+ sql("CACHE TABLE t1 SELECT id, name FROM h2.test.cache_t")
+ val plan = sql("select * from t1").queryExecution.sparkPlan
+ assert(plan.isInstanceOf[InMemoryTableScanExec])
+ sql("UNCACHE TABLE IF EXISTS t1")
Review Comment:
nit: we don't need this UNCACHE TABLE as `withTable` will drop the table at
the end.
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