ayushtkn commented on code in PR #4735:
URL: https://github.com/apache/hive/pull/4735#discussion_r1334633511
##########
iceberg/iceberg-handler/src/test/java/org/apache/iceberg/mr/hive/TestHiveIcebergBranchOperation.java:
##########
@@ -197,4 +197,37 @@ public void testDropBranch() throws InterruptedException,
IOException {
table.refresh();
Assert.assertNull(table.refs().get(branchName));
}
+
+ @Test
+ public void testCreateBranchFromTag() throws IOException,
InterruptedException {
+ Table table =
+ testTables.createTableWithVersions(shell, "customers",
HiveIcebergStorageHandlerTestUtils.CUSTOMER_SCHEMA,
+ fileFormat, HiveIcebergStorageHandlerTestUtils.CUSTOMER_RECORDS,
2);
+ String branchName1 = "test_branch_1";
+ String tagName = "test_tag";
+ String branchName2 = "test_branch_2";
+ String nonExistTag = "test_non_exist_tag";
+ shell.executeStatement(String.format("ALTER TABLE customers CREATE TAG
%s", tagName));
+
+ // Create a branch based on an existing tag.
+ shell.executeStatement(String.format("ALTER TABLE customers CREATE BRANCH
%s FOR TAG AS OF %s",
+ branchName1, tagName));
+ table.refresh();
+ SnapshotRef ref = table.refs().get(branchName1);
+ Assert.assertEquals(table.currentSnapshot().snapshotId(),
ref.snapshotId());
+ Assert.assertNull(ref.minSnapshotsToKeep());
+ Assert.assertNull(ref.maxSnapshotAgeMs());
+ Assert.assertNull(ref.maxRefAgeMs());
+
+ // Create a branch based on a tag which doesn't exist will fail.
+ try {
+ shell.executeStatement(String.format("ALTER TABLE customers CREATE
BRANCH %s FOR TAG AS OF %s",
+ branchName2, nonExistTag));
+ } catch (Throwable e) {
+ while (e.getCause() != null) {
+ e = e.getCause();
+ }
+ Assert.assertTrue(e.getMessage().contains("does not exist"));
+ }
Review Comment:
Can we use something like ``` Assertions.assertThatThrownBy```, this while
loop thing doesn't look very cool
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