cloud-fan commented on a change in pull request #25771: [SPARK-28970][SQL]
Implement USE CATALOG/NAMESPACE for Data Source V2
URL: https://github.com/apache/spark/pull/25771#discussion_r328959278
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/connector/DataSourceV2SQLSuite.scala
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@@ -830,6 +830,70 @@ class DataSourceV2SQLSuite
assert(df.collect().map(_.getAs[String](0)).sorted === expected.sorted)
}
+ test("UseCatalog: use catalog with v2 catalog") {
+ val catalogManager = spark.sessionState.catalogManager
+ assert(catalogManager.currentCatalog.name() == "session")
+
+ sql("USE CATALOG testcat")
+ assert(catalogManager.currentCatalog.name() == "testcat")
+ }
+
+ test("UseCatalog: v2 catalog does not exist") {
+ val exception = intercept[AnalysisException] {
+ sql("USE CATALOG unknown")
+ }
+ assert(exception.getMessage.contains("v2 catalog 'unknown' cannot be
loaded"))
+ }
+
+ test("Use: basic tests with USE statements") {
+ val catalogManager = spark.sessionState.catalogManager
+
+ // Validate the initial current catalog and namespace.
+ assert(catalogManager.currentCatalog.name() == "session")
+ assert(catalogManager.currentNamespace === Array("default"))
+
+ // The following implicitly creates namespaces.
Review comment:
this reminds that we should have a `CREATE NAMESPACE` command. We can do it
in followup.
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