Package org.apache.hive.service.cli

Examples of org.apache.hive.service.cli.OperationHandle

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    client.closeSession(sessionHandle);
  }

  private void verifyInitProperty(String key, String value,
      SessionHandle sessionHandle) throws Exception {
    OperationHandle operationHandle =
        client.executeStatement(sessionHandle, "set " + key, null);
    RowSet rowSet = client.fetchResults(operationHandle);
    Assert.assertEquals(1, rowSet.numRows());
    // we know rowSet has only one element
    Assert.assertEquals(key + "=" + value, rowSet.iterator().next()[0]);
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  }

  @Test
  public void testFetchResultsOfLog() throws Exception {
    // verify whether the sql operation log is generated and fetch correctly.
    OperationHandle operationHandle = client.executeStatement(sessionHandle, sql, null);
    RowSet rowSetLog = client.fetchResults(operationHandle, FetchOrientation.FETCH_FIRST, 1000,
        FetchType.LOG);
    verifyFetchedLog(rowSetLog);
  }
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  }

  @Test
  public void testFetchResultsOfLogAsync() throws Exception {
    // verify whether the sql operation log is generated and fetch correctly in async mode.
    OperationHandle operationHandle = client.executeStatementAsync(sessionHandle, sql, null);

    // Poll on the operation status till the query is completed
    boolean isQueryRunning = true;
    long pollTimeout = System.currentTimeMillis() + 100000;
    OperationStatus opStatus;
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  }

  @Test
  public void testFetchResultsOfLogWithOrientation() throws Exception {
    // (FETCH_FIRST) execute a sql, and fetch its sql operation log as expected value
    OperationHandle operationHandle = client.executeStatement(sessionHandle, sql, null);
    RowSet rowSetLog = client.fetchResults(operationHandle, FetchOrientation.FETCH_FIRST, 1000,
        FetchType.LOG);
    int expectedLogLength = rowSetLog.numRows();

    // (FETCH_NEXT) execute the same sql again,
    // and fetch the sql operation log with FETCH_NEXT orientation
    OperationHandle operationHandleWithOrientation = client.executeStatement(sessionHandle, sql,
        null);
    RowSet rowSetLogWithOrientation;
    int logLength = 0;
    int maxRows = calculateProperMaxRows(expectedLogLength);
    do {
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    // Verify cleanup functionality.
    // Open a new session, since this case needs to close the session in the end.
    SessionHandle sessionHandleCleanup = setupSession();

    // prepare
    OperationHandle operationHandle = client.executeStatement(sessionHandleCleanup, sql, null);
    RowSet rowSetLog = client.fetchResults(operationHandle, FetchOrientation.FETCH_FIRST, 1000,
        FetchType.LOG);
    verifyFetchedLog(rowSetLog);

    File sessionLogDir = new File(
        hiveConf.getVar(HiveConf.ConfVars.HIVE_SERVER2_LOGGING_OPERATION_LOG_LOCATION) +
            File.separator + sessionHandleCleanup.getHandleIdentifier());
    File operationLogFile = new File(sessionLogDir, operationHandle.getHandleIdentifier().toString());

    // check whether exception is thrown when fetching log from a closed operation.
    client.closeOperation(operationHandle);
    try {
      client.fetchResults(operationHandle, FetchOrientation.FETCH_FIRST, 1000, FetchType.LOG);
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    // Load data
    queryString = "load data local inpath '" + dataFile + "' into table " + tableName;
    client.executeStatement(sessionHandle, queryString, null);

    // Precondition check: verify whether the table is created and data is fetched correctly.
    OperationHandle operationHandle = client.executeStatement(sessionHandle, sql, null);
    RowSet rowSetResult = client.fetchResults(operationHandle);
    Assert.assertEquals(500, rowSetResult.numRows());
    Assert.assertEquals(238, rowSetResult.iterator().next()[0]);
    Assert.assertEquals("val_238", rowSetResult.iterator().next()[1]);
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      EnumSet.of(FetchOrientation.FETCH_NEXT,FetchOrientation.FETCH_FIRST);

  protected Operation(HiveSession parentSession, OperationType opType, boolean runInBackground) {
    this.parentSession = parentSession;
    this.runAsync = runInBackground;
    this.opHandle = new OperationHandle(opType, parentSession.getProtocolVersion());
    lastAccessTime = System.currentTimeMillis();
    operationTimeout = HiveConf.getTimeVar(parentSession.getHiveConf(),
        HiveConf.ConfVars.HIVE_SERVER2_IDLE_OPERATION_TIMEOUT, TimeUnit.MILLISECONDS);
  }
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      req.setConfOverlay(confOverlay);
      req.setRunAsync(isAsync);
      TExecuteStatementResp resp = cliService.ExecuteStatement(req);
      checkStatus(resp.getStatus());
      TProtocolVersion protocol = sessionHandle.getProtocolVersion();
      return new OperationHandle(resp.getOperationHandle(), protocol);
    } catch (HiveSQLException e) {
      throw e;
    } catch (Exception e) {
      throw new HiveSQLException(e);
    }
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    try {
      TGetTypeInfoReq req = new TGetTypeInfoReq(sessionHandle.toTSessionHandle());
      TGetTypeInfoResp resp = cliService.GetTypeInfo(req);
      checkStatus(resp.getStatus());
      TProtocolVersion protocol = sessionHandle.getProtocolVersion();
      return new OperationHandle(resp.getOperationHandle(), protocol);
    } catch (HiveSQLException e) {
      throw e;
    } catch (Exception e) {
      throw new HiveSQLException(e);
    }
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    try {
      TGetCatalogsReq req = new TGetCatalogsReq(sessionHandle.toTSessionHandle());
      TGetCatalogsResp resp = cliService.GetCatalogs(req);
      checkStatus(resp.getStatus());
      TProtocolVersion protocol = sessionHandle.getProtocolVersion();
      return new OperationHandle(resp.getOperationHandle(), protocol);
    } catch (HiveSQLException e) {
      throw e;
    } catch (Exception e) {
      throw new HiveSQLException(e);
    }
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