Examples with AlterIndexMessage org.apache.hadoop.hive.metastore.messaging.AlterIndexMessage used on opensource projects

Example 1 with AlterIndexMessage

use of org.apache.hadoop.hive.metastore.messaging.AlterIndexMessage in project hive by apache.

the class TestDbNotificationListener method alterIndex.

@Test
public void alterIndex() throws Exception {
    String indexName = "alterIndex";
    String dbName = "default";
    String tableName = "alterIndexTable";
    String indexTableName = tableName + "__" + indexName + "__";
    int startTime = (int) (System.currentTimeMillis() / 1000);
    List<FieldSchema> cols = new ArrayList<FieldSchema>();
    cols.add(new FieldSchema("col1", "int", ""));
    SerDeInfo serde = new SerDeInfo("serde", "seriallib", null);
    Map<String, String> params = new HashMap<String, String>();
    params.put("key", "value");
    StorageDescriptor sd = new StorageDescriptor(cols, "file:/tmp", "input", "output", false, 17, serde, Arrays.asList("bucketcol"), Arrays.asList(new Order("sortcol", 1)), params);
    Table table = new Table(tableName, dbName, "me", startTime, startTime, 0, sd, null, emptyParameters, null, null, null);
    // Event 1
    msClient.createTable(table);
    Index oldIndex = new Index(indexName, null, "default", tableName, startTime, startTime, indexTableName, sd, emptyParameters, false);
    Table oldIndexTable = new Table(indexTableName, dbName, "me", startTime, startTime, 0, sd, null, emptyParameters, null, null, null);
    // Event 2, 3
    // creates index and index table
    msClient.createIndex(oldIndex, oldIndexTable);
    Index newIndex = new Index(indexName, null, "default", tableName, startTime, startTime + 1, indexTableName, sd, emptyParameters, false);
    // Event 4
    msClient.alter_index(dbName, tableName, indexName, newIndex);
    // Get notifications from metastore
    NotificationEventResponse rsp = msClient.getNextNotification(firstEventId, 0, null);
    assertEquals(4, rsp.getEventsSize());
    NotificationEvent event = rsp.getEvents().get(3);
    assertEquals(firstEventId + 4, event.getEventId());
    assertTrue(event.getEventTime() >= startTime);
    assertEquals(EventType.ALTER_INDEX.toString(), event.getEventType());
    assertEquals(dbName, event.getDbName());
    // Parse the message field
    AlterIndexMessage alterIdxMsg = md.getAlterIndexMessage(event.getMessage());
    Index indexObj = alterIdxMsg.getIndexObjAfter();
    assertEquals(dbName, indexObj.getDbName());
    assertEquals(indexName, indexObj.getIndexName());
    assertEquals(tableName, indexObj.getOrigTableName());
    assertEquals(indexTableName, indexObj.getIndexTableName());
    assertTrue(indexObj.getCreateTime() < indexObj.getLastAccessTime());
    // When hive.metastore.transactional.event.listeners is set,
    // a failed event should not create a new notification
    DummyRawStoreFailEvent.setEventSucceed(false);
    try {
        msClient.alter_index(dbName, tableName, indexName, newIndex);
        fail("Error: alter index should've failed");
    } catch (Exception ex) {
    // expected
    }
    rsp = msClient.getNextNotification(firstEventId, 0, null);
    assertEquals(4, rsp.getEventsSize());
}