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

Example 1 with DropIndexMessage

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

the class TestDbNotificationListener method dropIndex.

@Test
public void dropIndex() throws Exception {
    String indexName = "dropIndex";
    String dbName = "default";
    String tableName = "dropIndexTable";
    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 index = new Index(indexName, null, "default", tableName, startTime, startTime, indexTableName, sd, emptyParameters, false);
    Table indexTable = new Table(indexTableName, dbName, "me", startTime, startTime, 0, sd, null, emptyParameters, null, null, null);
    // Event 2, 3 (index table and index)
    msClient.createIndex(index, indexTable);
    // Event 4 (drops index and indexTable)
    msClient.dropIndex(dbName, tableName, indexName, true);
    // 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.DROP_INDEX.toString(), event.getEventType());
    assertEquals(dbName, event.getDbName());
    // Parse the message field
    DropIndexMessage dropIdxMsg = md.getDropIndexMessage(event.getMessage());
    assertEquals(dbName, dropIdxMsg.getDB());
    assertEquals(indexName.toLowerCase(), dropIdxMsg.getIndexName());
    assertEquals(indexTableName.toLowerCase(), dropIdxMsg.getIndexTableName());
    assertEquals(tableName.toLowerCase(), dropIdxMsg.getOrigTableName());
    // When hive.metastore.transactional.event.listeners is set,
    // a failed event should not create a new notification
    index = new Index("dropIndexTable2", null, "default", tableName, startTime, startTime, "dropIndexTable__dropIndexTable2__", sd, emptyParameters, false);
    Table indexTable2 = new Table("dropIndexTable__dropIndexTable2__", dbName, "me", startTime, startTime, 0, sd, null, emptyParameters, null, null, null);
    msClient.createIndex(index, indexTable2);
    DummyRawStoreFailEvent.setEventSucceed(false);
    try {
        // drops index and indexTable
        msClient.dropIndex(dbName, tableName, "dropIndex2", true);
        fail("Error: drop index should've failed");
    } catch (Exception ex) {
    // expected
    }
    rsp = msClient.getNextNotification(firstEventId, 0, null);
    assertEquals(6, rsp.getEventsSize());
}