Ejemplo n.º 1
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  public void testDeleteVersionMaskingMultiplePuts() throws IOException {
    long now = System.currentTimeMillis();
    KeyValue[] kvs1 =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Delete, "dont-care")
        };
    KeyValue[] kvs2 =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now - 500, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now - 100, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs1, kvs2);

    StoreScanner scan =
        new StoreScanner(new Scan(Bytes.toBytes("R1")), scanInfo, scanType, getCols("a"), scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    // the two put at ts=now will be masked by the 1 delete, and
    // since the scan default returns 1 version we'll return the newest
    // key, which is kvs[2], now-100.
    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs2[1], results.get(0));
  }
Ejemplo n.º 2
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  /*
   * Test test shows exactly how the matcher's return codes confuses the StoreScanner
   * and prevent it from doing the right thing.  Seeking once, then nexting twice
   * should return R1, then R2, but in this case it doesnt.
   * TODO this comment makes no sense above. Appears to do the right thing.
   * @throws IOException
   */
  public void testWontNextToNext() throws IOException {
    // build the scan file:
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 2, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "a", 1, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);

    Scan scanSpec = new Scan(Bytes.toBytes("R1"));
    // this only uses maxVersions (default=1) and TimeRange (default=all)
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    scan.next(results);
    assertEquals(1, results.size());
    assertEquals(kvs[0], results.get(0));
    // should be ok...
    // now scan _next_ again.
    results.clear();
    scan.next(results);
    assertEquals(1, results.size());
    assertEquals(kvs[2], results.get(0));

    results.clear();
    scan.next(results);
    assertEquals(0, results.size());
  }
Ejemplo n.º 3
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 /** TODO this fails, since we don't handle deletions, etc, in peek */
 public void SKIP_testPeek() throws Exception {
   KeyValue[] kvs =
       new KeyValue[] {
         KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
         KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Delete, "dont-care"),
       };
   List<KeyValueScanner> scanners = scanFixture(kvs);
   Scan scanSpec = new Scan(Bytes.toBytes("R1"));
   StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
   assertNull(scan.peek());
 }
Ejemplo n.º 4
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  public void testDeleteVersionSameTimestamp() throws IOException {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Delete, "dont-care"),
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    Scan scanSpec = new Scan(Bytes.toBytes("R1"));
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertFalse(scan.next(results));
    assertEquals(0, results.size());
  }
Ejemplo n.º 5
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 public void testDeleteColumn() throws IOException {
   KeyValue[] kvs =
       new KeyValue[] {
         KeyValueTestUtil.create("R1", "cf", "a", 10, KeyValue.Type.DeleteColumn, "dont-care"),
         KeyValueTestUtil.create("R1", "cf", "a", 9, KeyValue.Type.Delete, "dont-care"),
         KeyValueTestUtil.create("R1", "cf", "a", 8, KeyValue.Type.Put, "dont-care"),
         KeyValueTestUtil.create("R1", "cf", "b", 5, KeyValue.Type.Put, "dont-care")
       };
   List<KeyValueScanner> scanners = scanFixture(kvs);
   StoreScanner scan = new StoreScanner(new Scan(), scanInfo, scanType, null, scanners);
   List<KeyValue> results = new ArrayList<KeyValue>();
   assertEquals(true, scan.next(results));
   assertEquals(1, results.size());
   assertEquals(kvs[3], results.get(0));
 }
Ejemplo n.º 6
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 public void testScanTimeRange() throws IOException {
   String r1 = "R1";
   // returns only 1 of these 2 even though same timestamp
   KeyValue[] kvs =
       new KeyValue[] {
         KeyValueTestUtil.create(r1, CF_STR, "a", 1, KeyValue.Type.Put, "dont-care"),
         KeyValueTestUtil.create(r1, CF_STR, "a", 2, KeyValue.Type.Put, "dont-care"),
         KeyValueTestUtil.create(r1, CF_STR, "a", 3, KeyValue.Type.Put, "dont-care"),
         KeyValueTestUtil.create(r1, CF_STR, "a", 4, KeyValue.Type.Put, "dont-care"),
         KeyValueTestUtil.create(r1, CF_STR, "a", 5, KeyValue.Type.Put, "dont-care"),
       };
   List<KeyValueScanner> scanners =
       Arrays.<KeyValueScanner>asList(
           new KeyValueScanner[] {new KeyValueScanFixture(KeyValue.COMPARATOR, kvs)});
   Scan scanSpec = new Scan(Bytes.toBytes(r1));
   scanSpec.setTimeRange(0, 6);
   scanSpec.setMaxVersions();
   StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
   List<KeyValue> results = new ArrayList<KeyValue>();
   assertEquals(true, scan.next(results));
   assertEquals(5, results.size());
   assertEquals(kvs[kvs.length - 1], results.get(0));
   // Scan limited TimeRange
   scanSpec = new Scan(Bytes.toBytes(r1));
   scanSpec.setTimeRange(1, 3);
   scanSpec.setMaxVersions();
   scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
   results = new ArrayList<KeyValue>();
   assertEquals(true, scan.next(results));
   assertEquals(2, results.size());
   // Another range.
   scanSpec = new Scan(Bytes.toBytes(r1));
   scanSpec.setTimeRange(5, 10);
   scanSpec.setMaxVersions();
   scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
   results = new ArrayList<KeyValue>();
   assertEquals(true, scan.next(results));
   assertEquals(1, results.size());
   // See how TimeRange and Versions interact.
   // Another range.
   scanSpec = new Scan(Bytes.toBytes(r1));
   scanSpec.setTimeRange(0, 10);
   scanSpec.setMaxVersions(3);
   scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
   results = new ArrayList<KeyValue>();
   assertEquals(true, scan.next(results));
   assertEquals(3, results.size());
 }
Ejemplo n.º 7
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 public void testWildCardOneVersionScan() throws IOException {
   KeyValue[] kvs =
       new KeyValue[] {
         KeyValueTestUtil.create("R1", "cf", "a", 2, KeyValue.Type.Put, "dont-care"),
         KeyValueTestUtil.create("R1", "cf", "b", 1, KeyValue.Type.Put, "dont-care"),
         KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.DeleteColumn, "dont-care"),
       };
   List<KeyValueScanner> scanners = scanFixture(kvs);
   StoreScanner scan =
       new StoreScanner(new Scan(Bytes.toBytes("R1")), scanInfo, scanType, null, scanners);
   List<KeyValue> results = new ArrayList<KeyValue>();
   assertEquals(true, scan.next(results));
   assertEquals(2, results.size());
   assertEquals(kvs[0], results.get(0));
   assertEquals(kvs[1], results.get(1));
 }
Ejemplo n.º 8
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  /** Ensure that expired delete family markers don't override valid puts */
  public void testExpiredDeleteFamily() throws Exception {
    long now = System.currentTimeMillis();
    KeyValue[] kvs =
        new KeyValue[] {
          new KeyValue(
              Bytes.toBytes("R1"),
              Bytes.toBytes("cf"),
              null,
              now - 1000,
              KeyValue.Type.DeleteFamily),
          KeyValueTestUtil.create("R1", "cf", "a", now - 10, KeyValue.Type.Put, "dont-care"),
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    Scan scan = new Scan();
    scan.setMaxVersions(1);
    // scanner with ttl equal to 500
    ScanInfo scanInfo = new ScanInfo(CF, 0, 1, 500, false, 0, KeyValue.COMPARATOR);
    ScanType scanType = ScanType.USER_SCAN;
    StoreScanner scanner = new StoreScanner(scan, scanInfo, scanType, null, scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scanner.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[1], results.get(0));
    results.clear();

    assertEquals(false, scanner.next(results));
  }
Ejemplo n.º 9
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  public void testScanSameTimestamp() throws IOException {
    // returns only 1 of these 2 even though same timestamp
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
        };
    List<KeyValueScanner> scanners =
        Arrays.asList(new KeyValueScanner[] {new KeyValueScanFixture(KeyValue.COMPARATOR, kvs)});

    Scan scanSpec = new Scan(Bytes.toBytes("R1"));
    // this only uses maxVersions (default=1) and TimeRange (default=all)
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[0], results.get(0));
  }
Ejemplo n.º 10
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  private WAL.Entry createTestLogEntry(int i) {
    long seq = i;
    long now = i * 1000;

    WALEdit edit = new WALEdit();
    edit.add(KeyValueTestUtil.create("row", "fam", "qual", 1234, "val"));
    WALKey key = new WALKey(TEST_REGION, TEST_TABLE, seq, now, HConstants.DEFAULT_CLUSTER_ID);
    WAL.Entry entry = new WAL.Entry(key, edit);
    return entry;
  }
Ejemplo n.º 11
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  /*
   * Test the case where there is a delete row 'in front of' the next row, the scanner
   * will move to the next row.
   */
  public void testDeletedRowThenGoodRow() throws IOException {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Delete, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "a", 20, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    Scan scanSpec = new Scan(Bytes.toBytes("R1"));
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(0, results.size());

    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[2], results.get(0));

    assertEquals(false, scan.next(results));
  }
Ejemplo n.º 12
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  /*
   * Test expiration of KeyValues in combination with a configured TTL for
   * a column family (as should be triggered in a major compaction).
   */
  public void testWildCardTtlScan() throws IOException {
    long now = System.currentTimeMillis();
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now - 1000, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "b", now - 10, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "c", now - 200, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "d", now - 10000, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "b", now - 10, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "c", now - 200, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "c", now - 1000, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    Scan scan = new Scan();
    scan.setMaxVersions(1);
    ScanInfo scanInfo = new ScanInfo(CF, 0, 1, 500, false, 0, KeyValue.COMPARATOR);
    ScanType scanType = ScanType.USER_SCAN;
    StoreScanner scanner = new StoreScanner(scan, scanInfo, scanType, null, scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scanner.next(results));
    assertEquals(2, results.size());
    assertEquals(kvs[1], results.get(0));
    assertEquals(kvs[2], results.get(1));
    results.clear();

    assertEquals(true, scanner.next(results));
    assertEquals(3, results.size());
    assertEquals(kvs[4], results.get(0));
    assertEquals(kvs[5], results.get(1));
    assertEquals(kvs[6], results.get(2));
    results.clear();

    assertEquals(false, scanner.next(results));
  }
Ejemplo n.º 13
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  public void testDeleteVersionsMixedAndMultipleVersionReturn() throws IOException {
    long now = System.currentTimeMillis();
    KeyValue[] kvs1 =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Delete, "dont-care")
        };
    KeyValue[] kvs2 =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now - 500, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now + 500, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "z", now, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs1, kvs2);

    Scan scanSpec = new Scan(Bytes.toBytes("R1")).setMaxVersions(2);
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(2, results.size());
    assertEquals(kvs2[1], results.get(0));
    assertEquals(kvs2[0], results.get(1));
  }
Ejemplo n.º 14
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 public void testWildCardScannerUnderDeletes() throws IOException {
   KeyValue[] kvs =
       new KeyValue[] {
         KeyValueTestUtil.create("R1", "cf", "a", 2, KeyValue.Type.Put, "dont-care"), // inc
         // orphaned delete column.
         KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.DeleteColumn, "dont-care"),
         // column b
         KeyValueTestUtil.create("R1", "cf", "b", 2, KeyValue.Type.Put, "dont-care"), // inc
         KeyValueTestUtil.create("R1", "cf", "b", 1, KeyValue.Type.Put, "dont-care"), // inc
         // column c
         KeyValueTestUtil.create("R1", "cf", "c", 10, KeyValue.Type.Delete, "dont-care"),
         KeyValueTestUtil.create("R1", "cf", "c", 10, KeyValue.Type.Put, "dont-care"), // no
         KeyValueTestUtil.create("R1", "cf", "c", 9, KeyValue.Type.Put, "dont-care"), // inc
         // column d
         KeyValueTestUtil.create("R1", "cf", "d", 11, KeyValue.Type.Put, "dont-care"), // inc
         KeyValueTestUtil.create("R1", "cf", "d", 10, KeyValue.Type.DeleteColumn, "dont-care"),
         KeyValueTestUtil.create("R1", "cf", "d", 9, KeyValue.Type.Put, "dont-care"), // no
         KeyValueTestUtil.create("R1", "cf", "d", 8, KeyValue.Type.Put, "dont-care"), // no
       };
   List<KeyValueScanner> scanners = scanFixture(kvs);
   StoreScanner scan =
       new StoreScanner(new Scan().setMaxVersions(2), scanInfo, scanType, null, scanners);
   List<KeyValue> results = new ArrayList<KeyValue>();
   assertEquals(true, scan.next(results));
   assertEquals(5, results.size());
   assertEquals(kvs[0], results.get(0));
   assertEquals(kvs[2], results.get(1));
   assertEquals(kvs[3], results.get(2));
   assertEquals(kvs[6], results.get(3));
   assertEquals(kvs[7], results.get(4));
 }
Ejemplo n.º 15
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 public void testDeleteMarkerLongevity() throws Exception {
   try {
     final long now = System.currentTimeMillis();
     EnvironmentEdgeManagerTestHelper.injectEdge(
         new EnvironmentEdge() {
           public long currentTimeMillis() {
             return now;
           }
         });
     KeyValue[] kvs =
         new KeyValue[] {
           /*0*/ new KeyValue(
               Bytes.toBytes("R1"),
               Bytes.toBytes("cf"),
               null,
               now - 100,
               KeyValue.Type.DeleteFamily), // live
           /*1*/ new KeyValue(
               Bytes.toBytes("R1"),
               Bytes.toBytes("cf"),
               null,
               now - 1000,
               KeyValue.Type.DeleteFamily), // expired
           /*2*/ KeyValueTestUtil.create(
               "R1", "cf", "a", now - 50, KeyValue.Type.Put, "v3"), // live
           /*3*/ KeyValueTestUtil.create(
               "R1", "cf", "a", now - 55, KeyValue.Type.Delete, "dontcare"), // live
           /*4*/ KeyValueTestUtil.create(
               "R1", "cf", "a", now - 55, KeyValue.Type.Put, "deleted-version v2"), // deleted
           /*5*/ KeyValueTestUtil.create(
               "R1", "cf", "a", now - 60, KeyValue.Type.Put, "v1"), // live
           /*6*/ KeyValueTestUtil.create(
               "R1", "cf", "a", now - 65, KeyValue.Type.Put, "v0"), // max-version reached
           /*7*/ KeyValueTestUtil.create(
               "R1", "cf", "a", now - 100, KeyValue.Type.DeleteColumn, "dont-care"), // max-version
           /*8*/ KeyValueTestUtil.create(
               "R1", "cf", "b", now - 600, KeyValue.Type.DeleteColumn, "dont-care"), // expired
           /*9*/ KeyValueTestUtil.create(
               "R1", "cf", "b", now - 70, KeyValue.Type.Put, "v2"), // live
           /*10*/ KeyValueTestUtil.create(
               "R1", "cf", "b", now - 750, KeyValue.Type.Put, "v1"), // expired
           /*11*/ KeyValueTestUtil.create(
               "R1", "cf", "c", now - 500, KeyValue.Type.Delete, "dontcare"), // expired
           /*12*/ KeyValueTestUtil.create(
               "R1", "cf", "c", now - 600, KeyValue.Type.Put, "v1"), // expired
           /*13*/ KeyValueTestUtil.create(
               "R1", "cf", "c", now - 1000, KeyValue.Type.Delete, "dontcare"), // expired
           /*14*/ KeyValueTestUtil.create(
               "R1", "cf", "d", now - 60, KeyValue.Type.Put, "expired put"), // live
           /*15*/ KeyValueTestUtil.create(
               "R1", "cf", "d", now - 100, KeyValue.Type.Delete, "not-expired delete"), // live
         };
     List<KeyValueScanner> scanners = scanFixture(kvs);
     Scan scan = new Scan();
     scan.setMaxVersions(2);
     Store.ScanInfo scanInfo =
         new Store.ScanInfo(
             Bytes.toBytes("cf"),
             0 /* minVersions */,
             2 /* maxVersions */,
             500 /* ttl */,
             false /* keepDeletedCells */,
             200, /* timeToPurgeDeletes */
             KeyValue.COMPARATOR);
     StoreScanner scanner =
         new StoreScanner(
             scan, scanInfo, ScanType.MAJOR_COMPACT, null, scanners, HConstants.OLDEST_TIMESTAMP);
     List<KeyValue> results = new ArrayList<KeyValue>();
     results = new ArrayList<KeyValue>();
     assertEquals(true, scanner.next(results));
     assertEquals(kvs[0], results.get(0));
     assertEquals(kvs[2], results.get(1));
     assertEquals(kvs[3], results.get(2));
     assertEquals(kvs[5], results.get(3));
     assertEquals(kvs[9], results.get(4));
     assertEquals(kvs[14], results.get(5));
     assertEquals(kvs[15], results.get(6));
     assertEquals(7, results.size());
   } finally {
     EnvironmentEdgeManagerTestHelper.reset();
   }
 }
Ejemplo n.º 16
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// Can't be small as it plays with EnvironmentEdgeManager
@Category(MediumTests.class)
public class TestStoreScanner extends TestCase {
  private static final String CF_STR = "cf";
  final byte[] CF = Bytes.toBytes(CF_STR);
  private ScanInfo scanInfo =
      new ScanInfo(CF, 0, Integer.MAX_VALUE, Long.MAX_VALUE, false, 0, KeyValue.COMPARATOR);
  private ScanType scanType = ScanType.USER_SCAN;

  public void setUp() throws Exception {
    super.setUp();
    SchemaMetrics.setUseTableNameInTest(false);
  }

  /*
   * Test utility for building a NavigableSet for scanners.
   * @param strCols
   * @return
   */
  NavigableSet<byte[]> getCols(String... strCols) {
    NavigableSet<byte[]> cols = new TreeSet<byte[]>(Bytes.BYTES_COMPARATOR);
    for (String col : strCols) {
      byte[] bytes = Bytes.toBytes(col);
      cols.add(bytes);
    }
    return cols;
  }

  public void testScanTimeRange() throws IOException {
    String r1 = "R1";
    // returns only 1 of these 2 even though same timestamp
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create(r1, CF_STR, "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create(r1, CF_STR, "a", 2, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create(r1, CF_STR, "a", 3, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create(r1, CF_STR, "a", 4, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create(r1, CF_STR, "a", 5, KeyValue.Type.Put, "dont-care"),
        };
    List<KeyValueScanner> scanners =
        Arrays.<KeyValueScanner>asList(
            new KeyValueScanner[] {new KeyValueScanFixture(KeyValue.COMPARATOR, kvs)});
    Scan scanSpec = new Scan(Bytes.toBytes(r1));
    scanSpec.setTimeRange(0, 6);
    scanSpec.setMaxVersions();
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(5, results.size());
    assertEquals(kvs[kvs.length - 1], results.get(0));
    // Scan limited TimeRange
    scanSpec = new Scan(Bytes.toBytes(r1));
    scanSpec.setTimeRange(1, 3);
    scanSpec.setMaxVersions();
    scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
    results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(2, results.size());
    // Another range.
    scanSpec = new Scan(Bytes.toBytes(r1));
    scanSpec.setTimeRange(5, 10);
    scanSpec.setMaxVersions();
    scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
    results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    // See how TimeRange and Versions interact.
    // Another range.
    scanSpec = new Scan(Bytes.toBytes(r1));
    scanSpec.setTimeRange(0, 10);
    scanSpec.setMaxVersions(3);
    scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
    results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(3, results.size());
  }

  public void testScanSameTimestamp() throws IOException {
    // returns only 1 of these 2 even though same timestamp
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
        };
    List<KeyValueScanner> scanners =
        Arrays.asList(new KeyValueScanner[] {new KeyValueScanFixture(KeyValue.COMPARATOR, kvs)});

    Scan scanSpec = new Scan(Bytes.toBytes("R1"));
    // this only uses maxVersions (default=1) and TimeRange (default=all)
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[0], results.get(0));
  }

  /*
   * Test test shows exactly how the matcher's return codes confuses the StoreScanner
   * and prevent it from doing the right thing.  Seeking once, then nexting twice
   * should return R1, then R2, but in this case it doesnt.
   * TODO this comment makes no sense above. Appears to do the right thing.
   * @throws IOException
   */
  public void testWontNextToNext() throws IOException {
    // build the scan file:
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 2, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "a", 1, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);

    Scan scanSpec = new Scan(Bytes.toBytes("R1"));
    // this only uses maxVersions (default=1) and TimeRange (default=all)
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    scan.next(results);
    assertEquals(1, results.size());
    assertEquals(kvs[0], results.get(0));
    // should be ok...
    // now scan _next_ again.
    results.clear();
    scan.next(results);
    assertEquals(1, results.size());
    assertEquals(kvs[2], results.get(0));

    results.clear();
    scan.next(results);
    assertEquals(0, results.size());
  }

  public void testDeleteVersionSameTimestamp() throws IOException {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Delete, "dont-care"),
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    Scan scanSpec = new Scan(Bytes.toBytes("R1"));
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertFalse(scan.next(results));
    assertEquals(0, results.size());
  }

  /*
   * Test the case where there is a delete row 'in front of' the next row, the scanner
   * will move to the next row.
   */
  public void testDeletedRowThenGoodRow() throws IOException {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Delete, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "a", 20, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    Scan scanSpec = new Scan(Bytes.toBytes("R1"));
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(0, results.size());

    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[2], results.get(0));

    assertEquals(false, scan.next(results));
  }

  public void testDeleteVersionMaskingMultiplePuts() throws IOException {
    long now = System.currentTimeMillis();
    KeyValue[] kvs1 =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Delete, "dont-care")
        };
    KeyValue[] kvs2 =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now - 500, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now - 100, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs1, kvs2);

    StoreScanner scan =
        new StoreScanner(new Scan(Bytes.toBytes("R1")), scanInfo, scanType, getCols("a"), scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    // the two put at ts=now will be masked by the 1 delete, and
    // since the scan default returns 1 version we'll return the newest
    // key, which is kvs[2], now-100.
    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs2[1], results.get(0));
  }

  public void testDeleteVersionsMixedAndMultipleVersionReturn() throws IOException {
    long now = System.currentTimeMillis();
    KeyValue[] kvs1 =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Delete, "dont-care")
        };
    KeyValue[] kvs2 =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now - 500, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now + 500, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "z", now, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs1, kvs2);

    Scan scanSpec = new Scan(Bytes.toBytes("R1")).setMaxVersions(2);
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(2, results.size());
    assertEquals(kvs2[1], results.get(0));
    assertEquals(kvs2[0], results.get(1));
  }

  public void testWildCardOneVersionScan() throws IOException {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 2, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "b", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.DeleteColumn, "dont-care"),
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    StoreScanner scan =
        new StoreScanner(new Scan(Bytes.toBytes("R1")), scanInfo, scanType, null, scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(2, results.size());
    assertEquals(kvs[0], results.get(0));
    assertEquals(kvs[1], results.get(1));
  }

  public void testWildCardScannerUnderDeletes() throws IOException {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 2, KeyValue.Type.Put, "dont-care"), // inc
          // orphaned delete column.
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.DeleteColumn, "dont-care"),
          // column b
          KeyValueTestUtil.create("R1", "cf", "b", 2, KeyValue.Type.Put, "dont-care"), // inc
          KeyValueTestUtil.create("R1", "cf", "b", 1, KeyValue.Type.Put, "dont-care"), // inc
          // column c
          KeyValueTestUtil.create("R1", "cf", "c", 10, KeyValue.Type.Delete, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "c", 10, KeyValue.Type.Put, "dont-care"), // no
          KeyValueTestUtil.create("R1", "cf", "c", 9, KeyValue.Type.Put, "dont-care"), // inc
          // column d
          KeyValueTestUtil.create("R1", "cf", "d", 11, KeyValue.Type.Put, "dont-care"), // inc
          KeyValueTestUtil.create("R1", "cf", "d", 10, KeyValue.Type.DeleteColumn, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "d", 9, KeyValue.Type.Put, "dont-care"), // no
          KeyValueTestUtil.create("R1", "cf", "d", 8, KeyValue.Type.Put, "dont-care"), // no
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    StoreScanner scan =
        new StoreScanner(new Scan().setMaxVersions(2), scanInfo, scanType, null, scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(5, results.size());
    assertEquals(kvs[0], results.get(0));
    assertEquals(kvs[2], results.get(1));
    assertEquals(kvs[3], results.get(2));
    assertEquals(kvs[6], results.get(3));
    assertEquals(kvs[7], results.get(4));
  }

  public void testDeleteFamily() throws IOException {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 100, KeyValue.Type.DeleteFamily, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "b", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "c", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "d", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "e", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "e", 11, KeyValue.Type.DeleteColumn, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "f", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "g", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "g", 11, KeyValue.Type.Delete, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "h", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "i", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "a", 11, KeyValue.Type.Put, "dont-care"),
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    StoreScanner scan =
        new StoreScanner(
            new Scan().setMaxVersions(Integer.MAX_VALUE), scanInfo, scanType, null, scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(0, results.size());
    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[kvs.length - 1], results.get(0));

    assertEquals(false, scan.next(results));
  }

  public void testDeleteColumn() throws IOException {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 10, KeyValue.Type.DeleteColumn, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 9, KeyValue.Type.Delete, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 8, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "b", 5, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    StoreScanner scan = new StoreScanner(new Scan(), scanInfo, scanType, null, scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[3], results.get(0));
  }

  private static final KeyValue[] kvs =
      new KeyValue[] {
        KeyValueTestUtil.create("R1", "cf", "a", 11, KeyValue.Type.Put, "dont-care"),
        KeyValueTestUtil.create("R1", "cf", "b", 11, KeyValue.Type.Put, "dont-care"),
        KeyValueTestUtil.create("R1", "cf", "c", 11, KeyValue.Type.Put, "dont-care"),
        KeyValueTestUtil.create("R1", "cf", "d", 11, KeyValue.Type.Put, "dont-care"),
        KeyValueTestUtil.create("R1", "cf", "e", 11, KeyValue.Type.Put, "dont-care"),
        KeyValueTestUtil.create("R1", "cf", "f", 11, KeyValue.Type.Put, "dont-care"),
        KeyValueTestUtil.create("R1", "cf", "g", 11, KeyValue.Type.Put, "dont-care"),
        KeyValueTestUtil.create("R1", "cf", "h", 11, KeyValue.Type.Put, "dont-care"),
        KeyValueTestUtil.create("R1", "cf", "i", 11, KeyValue.Type.Put, "dont-care"),
        KeyValueTestUtil.create("R2", "cf", "a", 11, KeyValue.Type.Put, "dont-care"),
      };

  public void testSkipColumn() throws IOException {
    List<KeyValueScanner> scanners = scanFixture(kvs);
    StoreScanner scan =
        new StoreScanner(new Scan(), scanInfo, scanType, getCols("a", "d"), scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(2, results.size());
    assertEquals(kvs[0], results.get(0));
    assertEquals(kvs[3], results.get(1));
    results.clear();

    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[kvs.length - 1], results.get(0));

    results.clear();
    assertEquals(false, scan.next(results));
  }

  /*
   * Test expiration of KeyValues in combination with a configured TTL for
   * a column family (as should be triggered in a major compaction).
   */
  public void testWildCardTtlScan() throws IOException {
    long now = System.currentTimeMillis();
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", now - 1000, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "b", now - 10, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "c", now - 200, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "d", now - 10000, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "a", now, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "b", now - 10, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "c", now - 200, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "c", now - 1000, KeyValue.Type.Put, "dont-care")
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    Scan scan = new Scan();
    scan.setMaxVersions(1);
    ScanInfo scanInfo = new ScanInfo(CF, 0, 1, 500, false, 0, KeyValue.COMPARATOR);
    ScanType scanType = ScanType.USER_SCAN;
    StoreScanner scanner = new StoreScanner(scan, scanInfo, scanType, null, scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scanner.next(results));
    assertEquals(2, results.size());
    assertEquals(kvs[1], results.get(0));
    assertEquals(kvs[2], results.get(1));
    results.clear();

    assertEquals(true, scanner.next(results));
    assertEquals(3, results.size());
    assertEquals(kvs[4], results.get(0));
    assertEquals(kvs[5], results.get(1));
    assertEquals(kvs[6], results.get(2));
    results.clear();

    assertEquals(false, scanner.next(results));
  }

  public void testScannerReseekDoesntNPE() throws Exception {
    List<KeyValueScanner> scanners = scanFixture(kvs);
    StoreScanner scan =
        new StoreScanner(new Scan(), scanInfo, scanType, getCols("a", "d"), scanners);

    // Previously a updateReaders twice in a row would cause an NPE.  In test this would also
    // normally cause an NPE because scan.store is null.  So as long as we get through these
    // two calls we are good and the bug was quashed.

    scan.updateReaders();

    scan.updateReaders();

    scan.peek();
  }

  /** TODO this fails, since we don't handle deletions, etc, in peek */
  public void SKIP_testPeek() throws Exception {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "a", 1, KeyValue.Type.Delete, "dont-care"),
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    Scan scanSpec = new Scan(Bytes.toBytes("R1"));
    StoreScanner scan = new StoreScanner(scanSpec, scanInfo, scanType, getCols("a"), scanners);
    assertNull(scan.peek());
  }

  /** Ensure that expired delete family markers don't override valid puts */
  public void testExpiredDeleteFamily() throws Exception {
    long now = System.currentTimeMillis();
    KeyValue[] kvs =
        new KeyValue[] {
          new KeyValue(
              Bytes.toBytes("R1"),
              Bytes.toBytes("cf"),
              null,
              now - 1000,
              KeyValue.Type.DeleteFamily),
          KeyValueTestUtil.create("R1", "cf", "a", now - 10, KeyValue.Type.Put, "dont-care"),
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    Scan scan = new Scan();
    scan.setMaxVersions(1);
    // scanner with ttl equal to 500
    ScanInfo scanInfo = new ScanInfo(CF, 0, 1, 500, false, 0, KeyValue.COMPARATOR);
    ScanType scanType = ScanType.USER_SCAN;
    StoreScanner scanner = new StoreScanner(scan, scanInfo, scanType, null, scanners);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scanner.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[1], results.get(0));
    results.clear();

    assertEquals(false, scanner.next(results));
  }

  public void testDeleteMarkerLongevity() throws Exception {
    try {
      final long now = System.currentTimeMillis();
      EnvironmentEdgeManagerTestHelper.injectEdge(
          new EnvironmentEdge() {
            public long currentTimeMillis() {
              return now;
            }
          });
      KeyValue[] kvs =
          new KeyValue[] {
            /*0*/ new KeyValue(
                Bytes.toBytes("R1"),
                Bytes.toBytes("cf"),
                null,
                now - 100,
                KeyValue.Type.DeleteFamily), // live
            /*1*/ new KeyValue(
                Bytes.toBytes("R1"),
                Bytes.toBytes("cf"),
                null,
                now - 1000,
                KeyValue.Type.DeleteFamily), // expired
            /*2*/ KeyValueTestUtil.create(
                "R1", "cf", "a", now - 50, KeyValue.Type.Put, "v3"), // live
            /*3*/ KeyValueTestUtil.create(
                "R1", "cf", "a", now - 55, KeyValue.Type.Delete, "dontcare"), // live
            /*4*/ KeyValueTestUtil.create(
                "R1", "cf", "a", now - 55, KeyValue.Type.Put, "deleted-version v2"), // deleted
            /*5*/ KeyValueTestUtil.create(
                "R1", "cf", "a", now - 60, KeyValue.Type.Put, "v1"), // live
            /*6*/ KeyValueTestUtil.create(
                "R1", "cf", "a", now - 65, KeyValue.Type.Put, "v0"), // max-version reached
            /*7*/ KeyValueTestUtil.create(
                "R1", "cf", "a", now - 100, KeyValue.Type.DeleteColumn, "dont-care"), // max-version
            /*8*/ KeyValueTestUtil.create(
                "R1", "cf", "b", now - 600, KeyValue.Type.DeleteColumn, "dont-care"), // expired
            /*9*/ KeyValueTestUtil.create(
                "R1", "cf", "b", now - 70, KeyValue.Type.Put, "v2"), // live
            /*10*/ KeyValueTestUtil.create(
                "R1", "cf", "b", now - 750, KeyValue.Type.Put, "v1"), // expired
            /*11*/ KeyValueTestUtil.create(
                "R1", "cf", "c", now - 500, KeyValue.Type.Delete, "dontcare"), // expired
            /*12*/ KeyValueTestUtil.create(
                "R1", "cf", "c", now - 600, KeyValue.Type.Put, "v1"), // expired
            /*13*/ KeyValueTestUtil.create(
                "R1", "cf", "c", now - 1000, KeyValue.Type.Delete, "dontcare"), // expired
            /*14*/ KeyValueTestUtil.create(
                "R1", "cf", "d", now - 60, KeyValue.Type.Put, "expired put"), // live
            /*15*/ KeyValueTestUtil.create(
                "R1", "cf", "d", now - 100, KeyValue.Type.Delete, "not-expired delete"), // live
          };
      List<KeyValueScanner> scanners = scanFixture(kvs);
      Scan scan = new Scan();
      scan.setMaxVersions(2);
      Store.ScanInfo scanInfo =
          new Store.ScanInfo(
              Bytes.toBytes("cf"),
              0 /* minVersions */,
              2 /* maxVersions */,
              500 /* ttl */,
              false /* keepDeletedCells */,
              200, /* timeToPurgeDeletes */
              KeyValue.COMPARATOR);
      StoreScanner scanner =
          new StoreScanner(
              scan, scanInfo, ScanType.MAJOR_COMPACT, null, scanners, HConstants.OLDEST_TIMESTAMP);
      List<KeyValue> results = new ArrayList<KeyValue>();
      results = new ArrayList<KeyValue>();
      assertEquals(true, scanner.next(results));
      assertEquals(kvs[0], results.get(0));
      assertEquals(kvs[2], results.get(1));
      assertEquals(kvs[3], results.get(2));
      assertEquals(kvs[5], results.get(3));
      assertEquals(kvs[9], results.get(4));
      assertEquals(kvs[14], results.get(5));
      assertEquals(kvs[15], results.get(6));
      assertEquals(7, results.size());
    } finally {
      EnvironmentEdgeManagerTestHelper.reset();
    }
  }

  @org.junit.Rule
  public org.apache.hadoop.hbase.ResourceCheckerJUnitRule cu =
      new org.apache.hadoop.hbase.ResourceCheckerJUnitRule();
}
Ejemplo n.º 17
0
  public void testDeleteFamily() throws IOException {
    KeyValue[] kvs =
        new KeyValue[] {
          KeyValueTestUtil.create("R1", "cf", "a", 100, KeyValue.Type.DeleteFamily, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "b", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "c", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "d", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "e", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "e", 11, KeyValue.Type.DeleteColumn, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "f", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "g", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "g", 11, KeyValue.Type.Delete, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "h", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R1", "cf", "i", 11, KeyValue.Type.Put, "dont-care"),
          KeyValueTestUtil.create("R2", "cf", "a", 11, KeyValue.Type.Put, "dont-care"),
        };
    List<KeyValueScanner> scanners = scanFixture(kvs);
    StoreScanner scan =
        new StoreScanner(
            new Scan().setMaxVersions(Integer.MAX_VALUE), scanInfo, scanType, null, scanners);
    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(true, scan.next(results));
    assertEquals(0, results.size());
    assertEquals(true, scan.next(results));
    assertEquals(1, results.size());
    assertEquals(kvs[kvs.length - 1], results.get(0));

    assertEquals(false, scan.next(results));
  }