jackye1995 commented on code in PR #6807:
URL: https://github.com/apache/iceberg/pull/6807#discussion_r1104846908
##########
spark/v3.3/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestTagDDL.java:
##########
@@ -264,6 +264,54 @@ public void testCreateOrReplace() throws
NoSuchTableException {
Assert.assertEquals(first, ref.snapshotId());
}
+ @Test
+ public void testDropTag() throws NoSuchTableException {
+ insertRows();
+ Table table = validationCatalog.loadTable(tableIdent);
+ String tagName = "t1";
+ table.manageSnapshots().createTag(tagName,
table.currentSnapshot().snapshotId()).commit();
+ SnapshotRef ref = table.refs().get(tagName);
+ Assert.assertEquals(table.currentSnapshot().snapshotId(),
ref.snapshotId());
+
+ sql("ALTER TABLE %s DROP TAG %s", tableName, tagName);
+ table.refresh();
+ ref = table.refs().get(tagName);
+ Assert.assertNull(ref);
Review Comment:
nit: we should prefer to add a description for all the assertions, there are
many `assertNull` here that lack description
##########
spark/v3.3/spark-extensions/src/test/java/org/apache/iceberg/spark/extensions/TestTagDDL.java:
##########
@@ -264,6 +264,54 @@ public void testCreateOrReplace() throws
NoSuchTableException {
Assert.assertEquals(first, ref.snapshotId());
}
+ @Test
+ public void testDropTag() throws NoSuchTableException {
+ insertRows();
+ Table table = validationCatalog.loadTable(tableIdent);
+ String tagName = "t1";
+ table.manageSnapshots().createTag(tagName,
table.currentSnapshot().snapshotId()).commit();
+ SnapshotRef ref = table.refs().get(tagName);
+ Assert.assertEquals(table.currentSnapshot().snapshotId(),
ref.snapshotId());
+
+ sql("ALTER TABLE %s DROP TAG %s", tableName, tagName);
+ table.refresh();
+ ref = table.refs().get(tagName);
+ Assert.assertNull(ref);
Review Comment:
nit: we should prefer to add a description for all the assertions, there are
many `assertEquals` and `assertNull` here that lack description
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