Package org.apache.hadoop.hive.common

Examples of org.apache.hadoop.hive.common.ValidTxnList

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    Assert.assertEquals(1L, (long) tids.get(0));
    Assert.assertEquals(2L, (long) tids.get(1));
    Assert.assertEquals(3L, (long) tids.get(2));
    client.rollbackTxn(1);
    client.commitTxn(2);
    ValidTxnList validTxns = client.getValidTxns(3);
    Assert.assertFalse(validTxns.isTxnCommitted(1));
    Assert.assertTrue(validTxns.isTxnCommitted(2));
    Assert.assertTrue(validTxns.isTxnCommitted(3));
    Assert.assertFalse(validTxns.isTxnCommitted(4));
  }
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    Assert.assertFalse(validTxns.isTxnCommitted(4));
  }

  @Test
  public void testTxnRange() throws Exception {
    ValidTxnList validTxns = client.getValidTxns();
    Assert.assertEquals(ValidTxnList.RangeResponse.NONE,
        validTxns.isTxnRangeCommitted(1L, 3L));
    List<Long> tids = client.openTxns("me", 5).getTxn_ids();

    HeartbeatTxnRangeResponse rsp = client.heartbeatTxnRange(1, 5);
    Assert.assertEquals(0, rsp.getNosuch().size());
    Assert.assertEquals(0, rsp.getAborted().size());

    client.rollbackTxn(1L);
    client.commitTxn(2L);
    client.commitTxn(3L);
    client.commitTxn(4L);
    validTxns = client.getValidTxns();
    System.out.println("validTxns = " + validTxns);
    Assert.assertEquals(ValidTxnList.RangeResponse.ALL,
        validTxns.isTxnRangeCommitted(2L, 2L));
    Assert.assertEquals(ValidTxnList.RangeResponse.ALL,
        validTxns.isTxnRangeCommitted(2L, 3L));
    Assert.assertEquals(ValidTxnList.RangeResponse.ALL,
        validTxns.isTxnRangeCommitted(2L, 4L));
    Assert.assertEquals(ValidTxnList.RangeResponse.ALL,
        validTxns.isTxnRangeCommitted(3L, 4L));

    Assert.assertEquals(ValidTxnList.RangeResponse.SOME,
        validTxns.isTxnRangeCommitted(1L, 4L));
    Assert.assertEquals(ValidTxnList.RangeResponse.SOME,
        validTxns.isTxnRangeCommitted(2L, 5L));
    Assert.assertEquals(ValidTxnList.RangeResponse.SOME,
        validTxns.isTxnRangeCommitted(1L, 2L));
    Assert.assertEquals(ValidTxnList.RangeResponse.SOME,
        validTxns.isTxnRangeCommitted(4L, 5L));

    Assert.assertEquals(ValidTxnList.RangeResponse.NONE,
        validTxns.isTxnRangeCommitted(1L, 1L));
    Assert.assertEquals(ValidTxnList.RangeResponse.NONE,
        validTxns.isTxnRangeCommitted(5L, 10L));

    validTxns = new ValidTxnListImpl("10:4:5:6");
    Assert.assertEquals(ValidTxnList.RangeResponse.NONE,
        validTxns.isTxnRangeCommitted(4,6));
    Assert.assertEquals(ValidTxnList.RangeResponse.ALL,
        validTxns.isTxnRangeCommitted(7, 10));
    Assert.assertEquals(ValidTxnList.RangeResponse.SOME,
        validTxns.isTxnRangeCommitted(7, 11));
    Assert.assertEquals(ValidTxnList.RangeResponse.SOME,
        validTxns.isTxnRangeCommitted(3, 6));
    Assert.assertEquals(ValidTxnList.RangeResponse.SOME,
        validTxns.isTxnRangeCommitted(4, 7));
    Assert.assertEquals(ValidTxnList.RangeResponse.SOME,
        validTxns.isTxnRangeCommitted(1, 12));
    Assert.assertEquals(ValidTxnList.RangeResponse.ALL,
        validTxns.isTxnRangeCommitted(1, 3));
  }
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  }

  @Test
  public void stringifyValidTxns() throws Exception {
    // Test with just high water mark
    ValidTxnList validTxns = new ValidTxnListImpl("1:");
    String asString = validTxns.toString();
    Assert.assertEquals("1:", asString);
    validTxns = new ValidTxnListImpl(asString);
    Assert.assertEquals(1, validTxns.getHighWatermark());
    Assert.assertNotNull(validTxns.getOpenTransactions());
    Assert.assertEquals(0, validTxns.getOpenTransactions().length);
    asString = validTxns.toString();
    Assert.assertEquals("1:", asString);
    validTxns = new ValidTxnListImpl(asString);
    Assert.assertEquals(1, validTxns.getHighWatermark());
    Assert.assertNotNull(validTxns.getOpenTransactions());
    Assert.assertEquals(0, validTxns.getOpenTransactions().length);

    // Test with open transactions
    validTxns = new ValidTxnListImpl("10:5:3");
    asString = validTxns.toString();
    if (!asString.equals("10:3:5") && !asString.equals("10:5:3")) {
      Assert.fail("Unexpected string value " + asString);
    }
    validTxns = new ValidTxnListImpl(asString);
    Assert.assertEquals(10, validTxns.getHighWatermark());
    Assert.assertNotNull(validTxns.getOpenTransactions());
    Assert.assertEquals(2, validTxns.getOpenTransactions().length);
    boolean sawThree = false, sawFive = false;
    for (long tid : validTxns.getOpenTransactions()) {
      if (tid == 3)  sawThree = true;
      else if (tid == 5) sawFive = true;
      else  Assert.fail("Unexpected value " + tid);
    }
    Assert.assertTrue(sawThree);
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      final String location = sd.getLocation();

      // Create a bogus validTxnList with a high water mark set to MAX_LONG and no open
      // transactions.  This assures that all deltas are treated as valid and all we return are
      // obsolete files.
      final ValidTxnList txnList = new ValidTxnListImpl();

      if (runJobAsSelf(ci.runAs)) {
        removeFiles(location, txnList);
      } else {
        LOG.info("Cleaning as user " + ci.runAs);
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      // Based on the split we're passed we go instantiate the real reader and then iterate on it
      // until it finishes.
      @SuppressWarnings("unchecked")//since there is no way to parametrize instance of Class
      AcidInputFormat<WritableComparable, V> aif =
          instantiate(AcidInputFormat.class, jobConf.get(INPUT_FORMAT_CLASS_NAME));
      ValidTxnList txnList =
          new ValidTxnListImpl(jobConf.get(ValidTxnList.VALID_TXNS_KEY));

      boolean isMajor = jobConf.getBoolean(IS_MAJOR, false);
      AcidInputFormat.RawReader<V> reader =
          aif.getRawReader(jobConf, isMajor, split.getBucket(),
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  }

  // Write the current set of valid transactions into the conf file so that it can be read by
  // the input format.
  private void recordValidTxns() throws LockException {
    ValidTxnList txns = SessionState.get().getTxnMgr().getValidTxns();
    String txnStr = txns.toString();
    conf.set(ValidTxnList.VALID_TXNS_KEY, txnStr);
    LOG.debug("Encoding valid txns info " + txnStr);
    // TODO I think when we switch to cross query transactions we need to keep this list in
    // session state rather than agressively encoding it in the conf like this.  We can let the
    // TableScanOperators then encode it in the conf before calling the input formats.
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    return fields;
  }

  private void checkDataWritten(long minTxn, long maxTxn, int buckets, int numExpectedFiles,
                                String... records) throws Exception {
    ValidTxnList txns = msClient.getValidTxns();
    AcidUtils.Directory dir = AcidUtils.getAcidState(new Path(partLocation), conf, txns);
    Assert.assertEquals(0, dir.getObsolete().size());
    Assert.assertEquals(0, dir.getOriginalFiles().size());
    List<AcidUtils.ParsedDelta> current = dir.getCurrentDirectories();
    System.out.println("Files found: ");
    for (AcidUtils.ParsedDelta pd : current) System.out.println(pd.getPath().toString());
    Assert.assertEquals(numExpectedFiles, current.size());

    // find the absolute mininum transaction
    long min = Long.MAX_VALUE;
    long max = Long.MIN_VALUE;
    for (AcidUtils.ParsedDelta pd : current) {
      if (pd.getMaxTransaction() > max) max = pd.getMaxTransaction();
      if (pd.getMinTransaction() < min) min = pd.getMinTransaction();
    }
    Assert.assertEquals(minTxn, min);
    Assert.assertEquals(maxTxn, max);

    InputFormat inf = new OrcInputFormat();
    JobConf job = new JobConf();
    job.set("mapred.input.dir", partLocation.toString());
    job.set("bucket_count", Integer.toString(buckets));
    job.set(ValidTxnList.VALID_TXNS_KEY, txns.toString());
    InputSplit[] splits = inf.getSplits(job, 1);
    Assert.assertEquals(1, splits.length);
    org.apache.hadoop.mapred.RecordReader<NullWritable, OrcStruct> rr =
            inf.getRecordReader(splits[0], job, Reporter.NULL);
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    }
    Assert.assertEquals(false, rr.next(key, value));
  }

  private void checkNothingWritten() throws Exception {
    ValidTxnList txns = msClient.getValidTxns();
    AcidUtils.Directory dir = AcidUtils.getAcidState(new Path(partLocation), conf, txns);
    Assert.assertEquals(0, dir.getObsolete().size());
    Assert.assertEquals(0, dir.getOriginalFiles().size());
    List<AcidUtils.ParsedDelta> current = dir.getCurrentDirectories();
    Assert.assertEquals(0, current.size());
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      bucket = (int) split.getStart();
      reader = null;
    }
    String txnString = conf.get(ValidTxnList.VALID_TXNS_KEY,
                                Long.MAX_VALUE + ":");
    ValidTxnList validTxnList = new ValidTxnListImpl(txnString);
    final OrcRawRecordMerger records =
        new OrcRawRecordMerger(conf, true, reader, split.isOriginal(), bucket,
            validTxnList, readOptions, deltas);
    return new RowReader<OrcStruct>() {
      OrcStruct innerRecord = records.createValue();
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    AcidOutputFormat.Options options = new AcidOutputFormat.Options(conf)
        .inspector(inspector).bucket(BUCKET).writingBase(true)
        .maximumTransactionId(100);
    of.getRecordUpdater(root, options).close(false);

    ValidTxnList txnList = new ValidTxnListImpl("200:");
    AcidUtils.Directory directory = AcidUtils.getAcidState(root, conf, txnList);

    Path basePath = AcidUtils.createBucketFile(directory.getBaseDirectory(),
        BUCKET);
    Reader baseReader = OrcFile.createReader(basePath,
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Related Classes of org.apache.hadoop.hive.common.ValidTxnList

  • org.apache.hadoop.hive.metastore.TestHiveMetaStoreTxns
  • org.apache.hadoop.hive.ql.Driver
  • org.apache.hadoop.hive.ql.io.orc.OrcInputFormat
  • org.apache.hadoop.hive.ql.io.orc.TestOrcRawRecordMerger
  • org.apache.hadoop.hive.ql.txn.compactor.Cleaner
  • org.apache.hadoop.hive.ql.txn.compactor.CompactorMR$CompactorMap
  • org.apache.hadoop.hive.ql.txn.compactor.Initiator
  • org.apache.hadoop.hive.ql.txn.compactor.Worker
  • org.apache.hive.hcatalog.streaming.TestStreaming
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