cloud-fan commented on code in PR #36968:
URL: https://github.com/apache/spark/pull/36968#discussion_r908109474
##########
sql/core/src/test/scala/org/apache/spark/sql/internal/CatalogSuite.scala:
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@@ -749,4 +756,38 @@ class CatalogSuite extends SharedSparkSession with
AnalysisTest with BeforeAndAf
assert(spark.catalog.currentCatalog().equals("spark_catalog"))
assert(spark.catalog.listCatalogs().collect().map(c => c.name).toSet ==
Set("testcat"))
}
+
+ test("three layer namespace compatibility - get database") {
+ val catalogsAndDatabases =
+ Seq(("testcat", "somedb"), ("testcat", "ns.somedb"), ("spark_catalog",
"somedb"))
+ catalogsAndDatabases.foreach { case (catalog, dbName) =>
+ val qualifiedDb = s"$catalog.$dbName"
+ sql(s"CREATE NAMESPACE $qualifiedDb COMMENT 'test comment' LOCATION
'/test/location'")
Review Comment:
nit: can we put `qualifiedDb` into the comment? otherwise the test still
passes even if we resolve to the wrong database.
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