Esempio n. 1
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  /** Test inserts using KeyRange query */
  @Test
  public void testKeyRangeWrites() throws Exception {
    Random random = new Random();
    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    vtgate.begin();
    String sql =
        "insert into vtgate_test "
            + "(id, name, keyspace_id, age) "
            + "values (:id, :name, :keyspace_id, :age)";
    int count = 20;
    // Insert 20 rows per shard
    for (String shardName : testEnv.shardKidMap.keySet()) {
      List<KeyspaceId> kids = testEnv.getKeyspaceIds(shardName);
      KeyspaceId minKid = Collections.min(kids);
      KeyspaceId maxKid = Collections.max(kids);
      KeyRange kr = new KeyRange(minKid, maxKid);
      for (int i = 0; i < count; i++) {
        KeyspaceId kid = kids.get(i % kids.size());
        Query query =
            new QueryBuilder(sql, testEnv.keyspace, "master")
                .addBindVar(
                    BindVariable.forULong(
                        "id", UnsignedLong.valueOf("" + Math.abs(random.nextInt()))))
                .addBindVar(BindVariable.forString("name", ("name_" + i)))
                .addBindVar(BindVariable.forULong("keyspace_id", (UnsignedLong) kid.getId()))
                .addBindVar(BindVariable.forNull("age"))
                .addKeyRange(kr)
                .build();
        vtgate.execute(query);
      }
    }
    vtgate.commit();
    vtgate.close();

    // Check 40 rows exist in total
    vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    String selectSql = "select * from vtgate_test";
    Query allRowsQuery =
        new QueryBuilder(selectSql, testEnv.keyspace, "master")
            .setKeyspaceIds(testEnv.getAllKeyspaceIds())
            .build();
    Cursor cursor = vtgate.execute(allRowsQuery);
    Assert.assertEquals(count * 2, cursor.getRowsAffected());

    // Check 20 rows exist per shard
    for (String shardName : testEnv.shardKidMap.keySet()) {
      Query shardRows =
          new QueryBuilder(selectSql, testEnv.keyspace, "master")
              .setKeyspaceIds(testEnv.getKeyspaceIds(shardName))
              .build();
      cursor = vtgate.execute(shardRows);
      Assert.assertEquals(count, cursor.getRowsAffected());
    }

    vtgate.close();
  }
Esempio n. 2
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 /** Create env with two shards each having a master and replica */
 static TestEnv getTestEnv() {
   Map<String, List<String>> shardKidMap = new HashMap<>();
   shardKidMap.put(
       "-80",
       Lists.newArrayList("527875958493693904", "626750931627689502", "345387386794260318"));
   shardKidMap.put(
       "80-",
       Lists.newArrayList("9767889778372766922", "9742070682920810358", "10296850775085416642"));
   TestEnv env = new TestEnv(shardKidMap, "test_keyspace");
   env.addTablet("rdonly", 1);
   return env;
 }
Esempio n. 3
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  /** Test selects using ExecuteKeyspaceIds */
  @Test
  public void testExecuteKeyspaceIds() throws Exception {
    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);

    // Ensure empty table
    String selectSql = "select * from vtgate_test";
    Query allRowsQuery =
        new QueryBuilder(selectSql, testEnv.keyspace, "master")
            .setKeyspaceIds(testEnv.getAllKeyspaceIds())
            .build();
    Cursor cursor = vtgate.execute(allRowsQuery);
    Assert.assertEquals(CursorImpl.class, cursor.getClass());
    Assert.assertEquals(0, cursor.getRowsAffected());
    Assert.assertEquals(0, cursor.getLastRowId());
    Assert.assertFalse(cursor.hasNext());
    vtgate.close();

    // Insert 10 rows
    Util.insertRows(testEnv, 1000, 10);

    vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    cursor = vtgate.execute(allRowsQuery);
    Assert.assertEquals(10, cursor.getRowsAffected());
    Assert.assertEquals(0, cursor.getLastRowId());
    Assert.assertTrue(cursor.hasNext());

    // Fetch all rows from the first shard
    KeyspaceId firstKid = testEnv.getAllKeyspaceIds().get(0);
    Query query =
        new QueryBuilder(selectSql, testEnv.keyspace, "master").addKeyspaceId(firstKid).build();
    cursor = vtgate.execute(query);

    // Check field types and values
    Row row = cursor.next();
    Cell idCell = row.next();
    Assert.assertEquals("id", idCell.getName());
    Assert.assertEquals(UnsignedLong.class, idCell.getType());
    UnsignedLong id = row.getULong(idCell.getName());

    Cell nameCell = row.next();
    Assert.assertEquals("name", nameCell.getName());
    Assert.assertEquals(byte[].class, nameCell.getType());
    Assert.assertTrue(
        Arrays.equals(("name_" + id.toString()).getBytes(), row.getBytes(nameCell.getName())));

    Cell ageCell = row.next();
    Assert.assertEquals("age", ageCell.getName());
    Assert.assertEquals(Integer.class, ageCell.getType());
    Assert.assertEquals(Integer.valueOf(2 * id.intValue()), row.getInt(ageCell.getName()));

    vtgate.close();
  }
Esempio n. 4
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  /** Test reads using Keyrange query */
  @Test
  public void testKeyRangeReads() throws Exception {
    int rowsPerShard = 10;
    // insert rows in each shard using ExecuteKeyspaceIds
    for (String shardName : testEnv.shardKidMap.keySet()) {
      Util.insertRowsInShard(testEnv, shardName, rowsPerShard);
    }

    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    String selectSql = "select * from vtgate_test";

    // Check ALL KeyRange query returns rows from both shards
    Query allRangeQuery =
        new QueryBuilder(selectSql, testEnv.keyspace, "master").addKeyRange(KeyRange.ALL).build();
    Cursor cursor = vtgate.execute(allRangeQuery);
    Assert.assertEquals(rowsPerShard * 2, cursor.getRowsAffected());

    // Check KeyRange query limited to a single shard returns 10 rows each
    for (String shardName : testEnv.shardKidMap.keySet()) {
      List<KeyspaceId> shardKids = testEnv.getKeyspaceIds(shardName);
      KeyspaceId minKid = Collections.min(shardKids);
      KeyspaceId maxKid = Collections.max(shardKids);
      KeyRange shardKeyRange = new KeyRange(minKid, maxKid);
      Query shardRangeQuery =
          new QueryBuilder(selectSql, testEnv.keyspace, "master")
              .addKeyRange(shardKeyRange)
              .build();
      cursor = vtgate.execute(shardRangeQuery);
      Assert.assertEquals(rowsPerShard, cursor.getRowsAffected());
    }

    // Now make a cross-shard KeyRange and check all rows are returned
    Iterator<String> shardNameIter = testEnv.shardKidMap.keySet().iterator();
    KeyspaceId kidShard1 = testEnv.getKeyspaceIds(shardNameIter.next()).get(2);
    KeyspaceId kidShard2 = testEnv.getKeyspaceIds(shardNameIter.next()).get(2);
    KeyRange crossShardKeyrange;
    if (kidShard1.compareTo(kidShard2) < 0) {
      crossShardKeyrange = new KeyRange(kidShard1, kidShard2);
    } else {
      crossShardKeyrange = new KeyRange(kidShard2, kidShard1);
    }
    Query shardRangeQuery =
        new QueryBuilder(selectSql, testEnv.keyspace, "master")
            .addKeyRange(crossShardKeyrange)
            .build();
    cursor = vtgate.execute(shardRangeQuery);
    Assert.assertEquals(rowsPerShard * 2, cursor.getRowsAffected());
    vtgate.close();
  }
Esempio n. 5
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 @Test
 public void testBatchExecuteKeyspaceIds() throws Exception {
   int rowsPerShard = 5;
   for (String shardName : testEnv.shardKidMap.keySet()) {
     Util.insertRowsInShard(testEnv, shardName, rowsPerShard);
   }
   VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
   BatchQuery query =
       new BatchQueryBuilder(testEnv.keyspace, "master")
           .addSqlAndBindVars("select * from vtgate_test where id = 3", null)
           .addSqlAndBindVars(
               "select * from vtgate_test where id = :id",
               Lists.newArrayList(BindVariable.forULong("id", UnsignedLong.valueOf("4"))))
           .withKeyspaceIds(testEnv.getAllKeyspaceIds())
           .build();
   List<Long> expected = Lists.newArrayList(3L, 3L, 4L, 4L);
   List<Cursor> cursors = vtgate.execute(query);
   List<Long> actual = new ArrayList<>();
   for (Cursor cursor : cursors) {
     for (Row row : cursor) {
       actual.add(row.getULong("id").longValue());
     }
   }
   Assert.assertTrue(expected.equals(actual));
   vtgate.close();
 }
Esempio n. 6
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 /** Test DMLs are not allowed outside a transaction */
 @Test
 public void testDMLOutsideTransaction() throws ConnectionException {
   VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
   String deleteSql = "delete from vtgate_test";
   try {
     vtgate.execute(
         new QueryBuilder(deleteSql, testEnv.keyspace, "master")
             .addKeyspaceId(testEnv.getAllKeyspaceIds().get(0))
             .build());
     Assert.fail("did not raise DatabaseException");
   } catch (DatabaseException e) {
     Assert.assertTrue(e.getMessage().contains("not_in_tx"));
   } finally {
     vtgate.close();
   }
 }
Esempio n. 7
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  /** Test queries are routed to the right shard based on based on keyspace ids */
  @Test
  public void testQueryRouting() throws Exception {
    for (String shardName : testEnv.shardKidMap.keySet()) {
      Util.insertRowsInShard(testEnv, shardName, 10);
    }

    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    String allRowsSql = "select * from vtgate_test";

    for (String shardName : testEnv.shardKidMap.keySet()) {
      Query shardRows =
          new QueryBuilder(allRowsSql, testEnv.keyspace, "master")
              .setKeyspaceIds(testEnv.getKeyspaceIds(shardName))
              .build();
      Cursor cursor = vtgate.execute(shardRows);
      Assert.assertEquals(10, cursor.getRowsAffected());
    }
    vtgate.close();
  }
Esempio n. 8
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  @Test
  public void testDateFieldTypes() throws Exception {
    DateTime dt = DateTime.now().minusDays(2).withMillisOfSecond(0);
    Util.insertRows(testEnv, 10, 1, dt);
    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    Query allRowsQuery =
        new QueryBuilder("select * from vtgate_test", testEnv.keyspace, "master")
            .setKeyspaceIds(testEnv.getAllKeyspaceIds())
            .build();
    Row row = vtgate.execute(allRowsQuery).next();
    Assert.assertTrue(dt.equals(row.getDateTime("timestamp_col")));
    Assert.assertTrue(dt.equals(row.getDateTime("datetime_col")));
    Assert.assertTrue(
        dt.withHourOfDay(0)
            .withMinuteOfHour(0)
            .withSecondOfMinute(0)
            .equals(row.getDateTime("date_col")));
    Assert.assertTrue(
        dt.withYear(1970).withMonthOfYear(1).withDayOfMonth(1).equals(row.getDateTime("time_col")));

    vtgate.close();
  }