Package com.youtube.vitess.vtgate

Examples of com.youtube.vitess.vtgate.VtGate.execute()

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    Query insertQuery = new QueryBuilder(insertSql, testEnv.keyspace, "master")
        .addBindVar(BindVariable.forULong("id", UnsignedLong.valueOf("1")))
        .addBindVar(BindVariable.forULong("keyspace_id", ((UnsignedLong) kid.getId())))
        .addKeyspaceId(kid).build();
    vtgate.begin();
    vtgate.execute(insertQuery);
    vtgate.commit();
    vtgate.begin();
    try {
      vtgate.execute(insertQuery);
      Assert.fail("failed to throw exception");
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    vtgate.begin();
    vtgate.execute(insertQuery);
    vtgate.commit();
    vtgate.begin();
    try {
      vtgate.execute(insertQuery);
      Assert.fail("failed to throw exception");
    } catch (IntegrityException e) {
    } finally {
      vtgate.rollback();
      vtgate.close();
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    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 200);
    // Check timeout error raised for slow query
    Query sleepQuery = new QueryBuilder("select sleep(0.5) from dual", testEnv.keyspace, "master")
        .setKeyspaceIds(testEnv.getAllKeyspaceIds()).build();
    try {
      vtgate.execute(sleepQuery);
      Assert.fail("did not raise timeout exception");
    } catch (ConnectionException e) {
    }
    vtgate.close();
    vtgate = VtGate.connect("localhost:" + testEnv.port, 2000);
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    vtgate.close();
    vtgate = VtGate.connect("localhost:" + testEnv.port, 2000);
    // Check no timeout error for fast query
    sleepQuery = new QueryBuilder("select sleep(0.01) from dual", testEnv.keyspace, "master")
        .setKeyspaceIds(testEnv.getAllKeyspaceIds()).build();
    vtgate.execute(sleepQuery);
    vtgate.close();
  }

  @Test
  public void testTxPoolFull() throws Exception {
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        vtgates.add(vtgate);
        vtgate.begin();
        // Run a query to actually begin a transaction with the tablets
        Query query = new QueryBuilder("delete from vtgate_test", testEnv.keyspace, "master")
            .addKeyRange(KeyRange.ALL).build();
        vtgate.execute(query);
      }
    } catch (DatabaseException e) {
      if (e.getMessage().contains("tx_pool_full")) {
        failed = true;
      }
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    Util.insertRows(testEnv, 1, 2000);
    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    String selectSql = "select A.* from vtgate_test A join vtgate_test B";
    Query joinQuery = new QueryBuilder(selectSql, testEnv.keyspace, "master")
        .setKeyspaceIds(testEnv.getAllKeyspaceIds()).setStreaming(true).build();
    Cursor cursor = vtgate.execute(joinQuery);

    int count = 0;
    try {
      while (cursor.hasNext()) {
        count++;
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  public void testStreamCursorType() throws Exception {
    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    String selectSql = "select * from vtgate_test";
    Query allRowsQuery = new QueryBuilder(selectSql, testEnv.keyspace, "master")
        .setKeyspaceIds(testEnv.getAllKeyspaceIds()).setStreaming(true).build();
    Cursor cursor = vtgate.execute(allRowsQuery);
    Assert.assertEquals(StreamCursor.class, cursor.getClass());
    vtgate.close();
  }

  /**
 
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    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    for (String shardName : testEnv.shardKidMap.keySet()) {
      String selectSql = "select A.* from vtgate_test A join vtgate_test B join vtgate_test C";
      Query query = new QueryBuilder(selectSql, testEnv.keyspace, "master")
          .setKeyspaceIds(testEnv.getKeyspaceIds(shardName)).setStreaming(true).build();
      Cursor cursor = vtgate.execute(query);
      int count = 0;
      while (cursor.hasNext()) {
        cursor.next();
        count++;
      }
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      List<KeyspaceId> kids = testEnv.getKeyspaceIds(shardName);
      KeyRange kr = new KeyRange(Collections.min(kids), Collections.max(kids));
      String selectSql = "select A.* from vtgate_test A join vtgate_test B join vtgate_test C";
      Query query = new QueryBuilder(selectSql, testEnv.keyspace, "master").addKeyRange(kr)
          .setStreaming(true).build();
      Cursor cursor = vtgate.execute(query);
      int count = 0;
      while (cursor.hasNext()) {
        cursor.next();
        count++;
      }
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    }
    String selectSql = "select A.* from vtgate_test A join vtgate_test B join vtgate_test C";
    Query query = new QueryBuilder(selectSql, testEnv.keyspace, "master")
        .setKeyspaceIds(testEnv.getAllKeyspaceIds()).setStreaming(true).build();
    VtGate vtgate = VtGate.connect("localhost:" + testEnv.port, 0);
    Cursor cursor = vtgate.execute(query);
    int count = 0;
    for (Row row : cursor) {
      count++;
    }
    Assert.assertEquals(2 * (int) Math.pow(rowCount, 3), count);
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