Package org.apache.hadoop.hive.ql

Examples of org.apache.hadoop.hive.ql.QueryPlan

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    Table t = newTable(true);
    addPartitionInput(t);
    addPartitionInput(t);
    addPartitionInput(t);
    WriteEntity we = addTableOutput(WriteEntity.WriteType.INSERT);
    QueryPlan qp = new MockQueryPlan(this);
    txnMgr.acquireLocks(qp, ctx, "fred");
    List<HiveLock> locks = ctx.getHiveLocks();
    Assert.assertEquals(1, locks.size());
    Assert.assertEquals(4,
        TxnDbUtil.countLockComponents(((DbLockManager.DbHiveLock) locks.get(0)).lockId));
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  }

  @Test
  public void testUpdate() throws Exception {
    WriteEntity we = addTableOutput(WriteEntity.WriteType.UPDATE);
    QueryPlan qp = new MockQueryPlan(this);
    txnMgr.acquireLocks(qp, ctx, "fred");
    List<HiveLock> locks = ctx.getHiveLocks();
    Assert.assertEquals(1, locks.size());
    Assert.assertEquals(1,
        TxnDbUtil.countLockComponents(((DbLockManager.DbHiveLock) locks.get(0)).lockId));
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  }

  @Test
  public void testDelete() throws Exception {
    WriteEntity we = addTableOutput(WriteEntity.WriteType.DELETE);
    QueryPlan qp = new MockQueryPlan(this);
    txnMgr.acquireLocks(qp, ctx, "fred");
    List<HiveLock> locks = ctx.getHiveLocks();
    Assert.assertEquals(1, locks.size());
    Assert.assertEquals(1,
        TxnDbUtil.countLockComponents(((DbLockManager.DbHiveLock) locks.get(0)).lockId));
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  }

  @Test
  public void testDDLExclusive() throws Exception {
    WriteEntity we = addTableOutput(WriteEntity.WriteType.DDL_EXCLUSIVE);
    QueryPlan qp = new MockQueryPlan(this);
    txnMgr.acquireLocks(qp, ctx, "fred");
    List<HiveLock> locks = ctx.getHiveLocks();
    Assert.assertEquals(1, locks.size());
    Assert.assertEquals(1,
        TxnDbUtil.countLockComponents(((DbLockManager.DbHiveLock) locks.get(0)).lockId));
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  }

  @Test
  public void testDDLShared() throws Exception {
    WriteEntity we = addTableOutput(WriteEntity.WriteType.DDL_SHARED);
    QueryPlan qp = new MockQueryPlan(this);
    txnMgr.acquireLocks(qp, ctx, "fred");
    List<HiveLock> locks = ctx.getHiveLocks();
    Assert.assertEquals(1, locks.size());
    Assert.assertEquals(1,
        TxnDbUtil.countLockComponents(((DbLockManager.DbHiveLock) locks.get(0)).lockId));
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  }

  @Test
  public void testDDLNoLock() throws Exception {
    WriteEntity we = addTableOutput(WriteEntity.WriteType.DDL_NO_LOCK);
    QueryPlan qp = new MockQueryPlan(this);
    txnMgr.acquireLocks(qp, ctx, "fred");
    List<HiveLock> locks = ctx.getHiveLocks();
    Assert.assertNull(locks);
  }
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    if (rc != 0) {
      return null;
    }

    QueryPlan plan = driver.getPlan();
    DDLTask task = (DDLTask) plan.getRootTasks().get(0);
    DDLWork work = task.getWork();
    CreateTableDesc spec = work.getCreateTblDesc();
    FieldSchema fs = spec.getCols().get(0);
    return fs.getType();
  }
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  /**
   * Deserialize the whole query plan.
   */
  public static QueryPlan deserializeQueryPlan(InputStream in, Configuration conf) {
    XMLDecoder d = new XMLDecoder(in, null, null, conf.getClassLoader());
    QueryPlan ret = (QueryPlan) d.readObject();
    d.close();
    return (ret);
  }
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   */
  @Override
  public void run(HookContext hookContext) throws Exception {
    HiveAuthzBinding hiveAuthzBinding =  HiveAuthzBinding.get(hookContext.getConf());
    try {
      QueryPlan qPlan = hookContext.getQueryPlan();
      if ((qPlan == null) || (qPlan.getQueryProperties() == null)) {
        return;
      }
      // validate server level permissions permission for transforms
      if (qPlan.getQueryProperties().usesScript()) {
        if (hiveAuthzBinding == null) {
          LOG.warn("No authorization binding fund, skipping the authorization for transform");
          return;
        }
        List<List<Authorizable>> inputHierarchy = new ArrayList<List<Authorizable>> ();
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    executor.submit(new Runnable() {
        @Override
        public void run() {
          try {
            QueryPlan plan = hookContext.getQueryPlan();
            if (plan == null) {
              return;
            }
            String queryId = plan.getQueryId();
            long queryStartTime = plan.getQueryStartTime();
            String user = hookContext.getUgi().getUserName();
            int numMrJobs = Utilities.getMRTasks(plan.getRootTasks()).size();
            int numTezJobs = Utilities.getTezTasks(plan.getRootTasks()).size();

            if (numMrJobs + numTezJobs <= 0) {
              return; // ignore client only queries
            }

            switch(hookContext.getHookType()) {
            case PRE_EXEC_HOOK:
              ExplainTask explain = new ExplainTask();
              explain.initialize(conf, plan, null);
              String query = plan.getQueryStr();
              List<Task<?>> rootTasks = plan.getRootTasks();
              JSONObject explainPlan = explain.getJSONPlan(null, null, rootTasks,
                   plan.getFetchTask(), true, false, false);
              fireAndForget(conf, createPreHookEvent(queryId, query,
                   explainPlan, queryStartTime, user, numMrJobs, numTezJobs));
              break;
            case POST_EXEC_HOOK:
              fireAndForget(conf, createPostHookEvent(queryId, currentTime, user, true));
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