Examples with KeyValue org.apache.hadoop.hbase.KeyValue used on opensource projects

Example 31 with KeyValue

use of org.apache.hadoop.hbase.KeyValue in project hbase by apache.

the class TestKeyValueCodecWithTags method testKeyValueWithTag.

@Test
public void testKeyValueWithTag() throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    CountingOutputStream cos = new CountingOutputStream(baos);
    DataOutputStream dos = new DataOutputStream(cos);
    Codec codec = new KeyValueCodecWithTags();
    Codec.Encoder encoder = codec.getEncoder(dos);
    final KeyValue kv1 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), HConstants.LATEST_TIMESTAMP, Bytes.toBytes("1"), new Tag[] { new ArrayBackedTag((byte) 1, Bytes.toBytes("teststring1")), new ArrayBackedTag((byte) 2, Bytes.toBytes("teststring2")) });
    final KeyValue kv2 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("2"), HConstants.LATEST_TIMESTAMP, Bytes.toBytes("2"), new Tag[] { new ArrayBackedTag((byte) 1, Bytes.toBytes("teststring3")) });
    final KeyValue kv3 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("3"), HConstants.LATEST_TIMESTAMP, Bytes.toBytes("3"), new Tag[] { new ArrayBackedTag((byte) 2, Bytes.toBytes("teststring4")), new ArrayBackedTag((byte) 2, Bytes.toBytes("teststring5")), new ArrayBackedTag((byte) 1, Bytes.toBytes("teststring6")) });
    encoder.write(kv1);
    encoder.write(kv2);
    encoder.write(kv3);
    encoder.flush();
    dos.close();
    long offset = cos.getCount();
    CountingInputStream cis = new CountingInputStream(new ByteArrayInputStream(baos.toByteArray()));
    DataInputStream dis = new DataInputStream(cis);
    Codec.Decoder decoder = codec.getDecoder(dis);
    assertTrue(decoder.advance());
    Cell c = decoder.current();
    assertTrue(CellUtil.equals(c, kv1));
    List<Tag> tags = TagUtil.asList(c.getTagsArray(), c.getTagsOffset(), c.getTagsLength());
    assertEquals(2, tags.size());
    Tag tag = tags.get(0);
    assertEquals(1, tag.getType());
    assertTrue(Bytes.equals(Bytes.toBytes("teststring1"), TagUtil.cloneValue(tag)));
    tag = tags.get(1);
    assertEquals(2, tag.getType());
    assertTrue(Bytes.equals(Bytes.toBytes("teststring2"), TagUtil.cloneValue(tag)));
    assertTrue(decoder.advance());
    c = decoder.current();
    assertTrue(CellUtil.equals(c, kv2));
    tags = TagUtil.asList(c.getTagsArray(), c.getTagsOffset(), c.getTagsLength());
    assertEquals(1, tags.size());
    tag = tags.get(0);
    assertEquals(1, tag.getType());
    assertTrue(Bytes.equals(Bytes.toBytes("teststring3"), TagUtil.cloneValue(tag)));
    assertTrue(decoder.advance());
    c = decoder.current();
    assertTrue(CellUtil.equals(c, kv3));
    tags = TagUtil.asList(c.getTagsArray(), c.getTagsOffset(), c.getTagsLength());
    assertEquals(3, tags.size());
    tag = tags.get(0);
    assertEquals(2, tag.getType());
    assertTrue(Bytes.equals(Bytes.toBytes("teststring4"), TagUtil.cloneValue(tag)));
    tag = tags.get(1);
    assertEquals(2, tag.getType());
    assertTrue(Bytes.equals(Bytes.toBytes("teststring5"), TagUtil.cloneValue(tag)));
    tag = tags.get(2);
    assertEquals(1, tag.getType());
    assertTrue(Bytes.equals(Bytes.toBytes("teststring6"), TagUtil.cloneValue(tag)));
    assertFalse(decoder.advance());
    dis.close();
    assertEquals(offset, cis.getCount());
}

Example 32 with KeyValue

use of org.apache.hadoop.hbase.KeyValue in project hbase by apache.

the class TestScannersWithFilters method testRowFilter.

@Test
public void testRowFilter() throws Exception {
    // Match a single row, all keys
    long expectedRows = 1;
    long expectedKeys = colsPerRow;
    Filter f = new RowFilter(CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2")));
    Scan s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match a two rows, one from each group, using regex
    expectedRows = 2;
    expectedKeys = colsPerRow;
    f = new RowFilter(CompareOp.EQUAL, new RegexStringComparator("testRow.+-2"));
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match rows less than
    // Expect all keys in one row
    expectedRows = 1;
    expectedKeys = colsPerRow;
    f = new RowFilter(CompareOp.LESS, new BinaryComparator(Bytes.toBytes("testRowOne-2")));
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match rows less than or equal
    // Expect all keys in two rows
    expectedRows = 2;
    expectedKeys = colsPerRow;
    f = new RowFilter(CompareOp.LESS_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2")));
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match rows not equal
    // Expect all keys in all but one row
    expectedRows = numRows - 1;
    expectedKeys = colsPerRow;
    f = new RowFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2")));
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match keys greater or equal
    // Expect all keys in all but one row
    expectedRows = numRows - 1;
    expectedKeys = colsPerRow;
    f = new RowFilter(CompareOp.GREATER_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2")));
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match keys greater
    // Expect all keys in all but two rows
    expectedRows = numRows - 2;
    expectedKeys = colsPerRow;
    f = new RowFilter(CompareOp.GREATER, new BinaryComparator(Bytes.toBytes("testRowOne-2")));
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match rows not equal to testRowTwo-2
    // Look across rows and fully validate the keys and ordering
    // Should see all keys in all rows but testRowTwo-2
    f = new RowFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testRowOne-2")));
    s = new Scan();
    s.setFilter(f);
    KeyValue[] kvs = { // testRowOne-0
    new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3
    new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0
    new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2
    new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3
    new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]) };
    verifyScanFull(s, kvs);
    // Test across rows and groups with a regex
    // Filter out everything that doesn't match "*-2"
    // Expect all keys in two rows
    f = new RowFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2"));
    s = new Scan();
    s.setFilter(f);
    kvs = new KeyValue[] { // testRowOne-2
    new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-2
    new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]) };
    verifyScanFull(s, kvs);
}

Example 33 with KeyValue

use of org.apache.hadoop.hbase.KeyValue in project hbase by apache.

the class TestScannersWithFilters method testFilterList.

@Test
public void testFilterList() throws Exception {
    // Test getting a single row, single key using Row, Qualifier, and Value
    // regular expression and substring filters
    // Use must pass all
    List<Filter> filters = new ArrayList<>(3);
    filters.add(new RowFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2")));
    filters.add(new QualifierFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2")));
    filters.add(new ValueFilter(CompareOp.EQUAL, new SubstringComparator("One")));
    Filter f = new FilterList(Operator.MUST_PASS_ALL, filters);
    Scan s = new Scan();
    s.addFamily(FAMILIES[0]);
    s.setFilter(f);
    KeyValue[] kvs = { new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]) };
    verifyScanFull(s, kvs);
    // Test getting everything with a MUST_PASS_ONE filter including row, qf,
    // val, regular expression and substring filters
    filters.clear();
    filters.add(new RowFilter(CompareOp.EQUAL, new RegexStringComparator(".+Two.+")));
    filters.add(new QualifierFilter(CompareOp.EQUAL, new RegexStringComparator(".+-2")));
    filters.add(new ValueFilter(CompareOp.EQUAL, new SubstringComparator("One")));
    f = new FilterList(Operator.MUST_PASS_ONE, filters);
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, numRows, colsPerRow);
}

Example 34 with KeyValue

use of org.apache.hadoop.hbase.KeyValue in project hbase by apache.

the class TestScannersWithFilters method testQualifierFilter.

@Test
public void testQualifierFilter() throws Exception {
    // Match two keys (one from each family) in half the rows
    long expectedRows = numRows / 2;
    long expectedKeys = 2;
    Filter f = new QualifierFilter(CompareOp.EQUAL, new BinaryComparator(Bytes.toBytes("testQualifierOne-2")));
    Scan s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match keys less than same qualifier
    // Expect only two keys (one from each family) in half the rows
    expectedRows = numRows / 2;
    expectedKeys = 2;
    f = new QualifierFilter(CompareOp.LESS, new BinaryComparator(Bytes.toBytes("testQualifierOne-2")));
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match keys less than or equal
    // Expect four keys (two from each family) in half the rows
    expectedRows = numRows / 2;
    expectedKeys = 4;
    f = new QualifierFilter(CompareOp.LESS_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testQualifierOne-2")));
    s = new Scan();
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match keys not equal
    // Expect four keys (two from each family)
    // Only look in first group of rows
    expectedRows = numRows / 2;
    expectedKeys = 4;
    f = new QualifierFilter(CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes("testQualifierOne-2")));
    s = new Scan(HConstants.EMPTY_START_ROW, Bytes.toBytes("testRowTwo"));
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match keys greater or equal
    // Expect four keys (two from each family)
    // Only look in first group of rows
    expectedRows = numRows / 2;
    expectedKeys = 4;
    f = new QualifierFilter(CompareOp.GREATER_OR_EQUAL, new BinaryComparator(Bytes.toBytes("testQualifierOne-2")));
    s = new Scan(HConstants.EMPTY_START_ROW, Bytes.toBytes("testRowTwo"));
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match keys greater
    // Expect two keys (one from each family)
    // Only look in first group of rows
    expectedRows = numRows / 2;
    expectedKeys = 2;
    f = new QualifierFilter(CompareOp.GREATER, new BinaryComparator(Bytes.toBytes("testQualifierOne-2")));
    s = new Scan(HConstants.EMPTY_START_ROW, Bytes.toBytes("testRowTwo"));
    s.setFilter(f);
    verifyScanNoEarlyOut(s, expectedRows, expectedKeys);
    // Match keys not equal to
    // Look across rows and fully validate the keys and ordering
    // Expect varied numbers of keys, 4 per row in group one, 6 per row in
    // group two
    f = new QualifierFilter(CompareOp.NOT_EQUAL, new BinaryComparator(QUALIFIERS_ONE[2]));
    s = new Scan();
    s.setFilter(f);
    KeyValue[] kvs = { // testRowOne-0
    new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2
    new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3
    new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0
    new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2
    new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3
    new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]) };
    verifyScanFull(s, kvs);
    // Test across rows and groups with a regex
    // Filter out "test*-2"
    // Expect 4 keys per row across both groups
    f = new QualifierFilter(CompareOp.NOT_EQUAL, new RegexStringComparator("test.+-2"));
    s = new Scan();
    s.setFilter(f);
    kvs = new KeyValue[] { // testRowOne-0
    new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2
    new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3
    new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0
    new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2
    new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3
    new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]) };
    verifyScanFull(s, kvs);
}

Example 35 with KeyValue

use of org.apache.hadoop.hbase.KeyValue in project hbase by apache.

the class TestScannersWithFilters method testPageFilter.

@Test
public void testPageFilter() throws Exception {
    // KVs in first 6 rows
    KeyValue[] expectedKVs = { // testRowOne-0
    new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[0], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-2
    new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[2], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowOne-3
    new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[0], QUALIFIERS_ONE[3], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[0], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[2], VALUES[0]), new KeyValue(ROWS_ONE[3], FAMILIES[1], QUALIFIERS_ONE[3], VALUES[0]), // testRowTwo-0
    new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[0], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-2
    new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[2], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]), // testRowTwo-3
    new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[0], QUALIFIERS_TWO[3], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[0], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[2], VALUES[1]), new KeyValue(ROWS_TWO[3], FAMILIES[1], QUALIFIERS_TWO[3], VALUES[1]) };
    // Grab all 6 rows
    long expectedRows = 6;
    long expectedKeys = colsPerRow;
    Scan s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, expectedKVs);
    // Grab first 4 rows (6 cols per row)
    expectedRows = 4;
    expectedKeys = colsPerRow;
    s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, Arrays.copyOf(expectedKVs, 24));
    // Grab first 2 rows
    expectedRows = 2;
    expectedKeys = colsPerRow;
    s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, Arrays.copyOf(expectedKVs, 12));
    // Grab first row
    expectedRows = 1;
    expectedKeys = colsPerRow;
    s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, Arrays.copyOf(expectedKVs, 6));
}