nssalian commented on a change in pull request #3275:
URL: https://github.com/apache/iceberg/pull/3275#discussion_r741604136
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File path: core/src/test/java/org/apache/iceberg/jdbc/TestJdbcCatalog.java
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@@ -555,6 +556,66 @@ public void testDropNamespace() {
"is not empty. 1 tables exist.", () ->
catalog.dropNamespace(tbl4.namespace()));
}
+ @Test
+ public void testCreateNamespace() {
+ Namespace testNamespace = Namespace.of("testDb", "ns1", "ns2");
+ // Test with null metadata
+ AssertHelpers.assertThrows("Cannot create a namespace with null or empty
metadata", IllegalArgumentException.class,
+ () -> catalog.createNamespace(testNamespace, null));
+ Assert.assertFalse(catalog.namespaceExists(testNamespace));
Review comment:
Addressing all the metadata emptiness questions: @rdblue had a comment
earlier about not allowing creation of namespaces without metadata. I think it
makes sense to have this check since we are inserting metadata at the create
and a record with metadata is indicative of a namespace existing.
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