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

Example 81 with HColumnDescriptor

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

the class TestFilter method testFilterListWithPrefixFilter.

// HBASE-9747
@Test
public void testFilterListWithPrefixFilter() throws IOException {
    byte[] family = Bytes.toBytes("f1");
    byte[] qualifier = Bytes.toBytes("q1");
    HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(name.getMethodName()));
    htd.addFamily(new HColumnDescriptor(family));
    HRegionInfo info = new HRegionInfo(htd.getTableName(), null, null, false);
    Region testRegion = HBaseTestingUtility.createRegionAndWAL(info, TEST_UTIL.getDataTestDir(), TEST_UTIL.getConfiguration(), htd);
    for (int i = 0; i < 5; i++) {
        Put p = new Put(Bytes.toBytes((char) ('a' + i) + "row"));
        p.setDurability(Durability.SKIP_WAL);
        p.addColumn(family, qualifier, Bytes.toBytes(String.valueOf(111 + i)));
        testRegion.put(p);
    }
    testRegion.flush(true);
    // rows starting with "b"
    PrefixFilter pf = new PrefixFilter(new byte[] { 'b' });
    // rows with value of column 'q1' set to '113'
    SingleColumnValueFilter scvf = new SingleColumnValueFilter(family, qualifier, CompareOp.EQUAL, Bytes.toBytes("113"));
    // combine these two with OR in a FilterList
    FilterList filterList = new FilterList(Operator.MUST_PASS_ONE, pf, scvf);
    Scan s1 = new Scan();
    s1.setFilter(filterList);
    InternalScanner scanner = testRegion.getScanner(s1);
    List<Cell> results = new ArrayList<>();
    int resultCount = 0;
    while (scanner.next(results)) {
        resultCount++;
        byte[] row = CellUtil.cloneRow(results.get(0));
        LOG.debug("Found row: " + Bytes.toStringBinary(row));
        assertTrue(Bytes.equals(row, Bytes.toBytes("brow")) || Bytes.equals(row, Bytes.toBytes("crow")));
        results.clear();
    }
    assertEquals(2, resultCount);
    scanner.close();
    WAL wal = ((HRegion) testRegion).getWAL();
    ((HRegion) testRegion).close();
    wal.close();
}

Example 82 with HColumnDescriptor

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

the class TestWALObserver method getBasic3FamilyHTableDescriptor.

private HTableDescriptor getBasic3FamilyHTableDescriptor(final TableName tableName) {
    HTableDescriptor htd = new HTableDescriptor(tableName);
    for (int i = 0; i < TEST_FAMILY.length; i++) {
        HColumnDescriptor a = new HColumnDescriptor(TEST_FAMILY[i]);
        htd.addFamily(a);
    }
    return htd;
}

Example 83 with HColumnDescriptor

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

the class TestWALObserver method createBasic3FamilyHTD.

private HTableDescriptor createBasic3FamilyHTD(final String tableName) {
    HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(tableName));
    HColumnDescriptor a = new HColumnDescriptor(Bytes.toBytes("a"));
    htd.addFamily(a);
    HColumnDescriptor b = new HColumnDescriptor(Bytes.toBytes("b"));
    htd.addFamily(b);
    HColumnDescriptor c = new HColumnDescriptor(Bytes.toBytes("c"));
    htd.addFamily(c);
    return htd;
}

Example 84 with HColumnDescriptor

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

the class FilterTestingCluster method createTable.

protected static void createTable(TableName tableName, String columnFamilyName) {
    assertNotNull("HBaseAdmin is not initialized successfully.", admin);
    HTableDescriptor desc = new HTableDescriptor(tableName);
    HColumnDescriptor colDef = new HColumnDescriptor(Bytes.toBytes(columnFamilyName));
    desc.addFamily(colDef);
    try {
        admin.createTable(desc);
        createdTables.add(tableName);
        assertTrue("Fail to create the table", admin.tableExists(tableName));
    } catch (IOException e) {
        assertNull("Exception found while creating table", e);
    }
}

Example 85 with HColumnDescriptor

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

the class TestFilter method testNestedFilterListWithSCVF.

// TODO: intentionally disabled?
public void testNestedFilterListWithSCVF() throws IOException {
    byte[] columnStatus = Bytes.toBytes("S");
    HTableDescriptor htd = new HTableDescriptor(TableName.valueOf(name.getMethodName()));
    htd.addFamily(new HColumnDescriptor(FAMILIES[0]));
    HRegionInfo info = new HRegionInfo(htd.getTableName(), null, null, false);
    Region testRegion = HBaseTestingUtility.createRegionAndWAL(info, TEST_UTIL.getDataTestDir(), TEST_UTIL.getConfiguration(), htd);
    for (int i = 0; i < 10; i++) {
        Put p = new Put(Bytes.toBytes("row" + i));
        p.setDurability(Durability.SKIP_WAL);
        p.addColumn(FAMILIES[0], columnStatus, Bytes.toBytes(i % 2));
        testRegion.put(p);
    }
    testRegion.flush(true);
    // 1. got rows > "row4"
    Filter rowFilter = new RowFilter(CompareOp.GREATER, new BinaryComparator(Bytes.toBytes("row4")));
    Scan s1 = new Scan();
    s1.setFilter(rowFilter);
    InternalScanner scanner = testRegion.getScanner(s1);
    List<Cell> results = new ArrayList<>();
    int i = 5;
    for (boolean done = true; done; i++) {
        done = scanner.next(results);
        assertTrue(CellUtil.matchingRow(results.get(0), Bytes.toBytes("row" + i)));
        assertEquals(Bytes.toInt(CellUtil.cloneValue(results.get(0))), i % 2);
        results.clear();
    }
    // 2. got rows <= "row4" and S=
    FilterList subFilterList = new FilterList(FilterList.Operator.MUST_PASS_ALL);
    Filter subFilter1 = new RowFilter(CompareOp.LESS_OR_EQUAL, new BinaryComparator(Bytes.toBytes("row4")));
    subFilterList.addFilter(subFilter1);
    Filter subFilter2 = new SingleColumnValueFilter(FAMILIES[0], columnStatus, CompareOp.EQUAL, Bytes.toBytes(0));
    subFilterList.addFilter(subFilter2);
    s1 = new Scan();
    s1.setFilter(subFilterList);
    scanner = testRegion.getScanner(s1);
    results = new ArrayList<>();
    for (i = 0; i <= 4; i += 2) {
        scanner.next(results);
        assertTrue(CellUtil.matchingRow(results.get(0), Bytes.toBytes("row" + i)));
        assertEquals(Bytes.toInt(CellUtil.cloneValue(results.get(0))), i % 2);
        results.clear();
    }
    assertFalse(scanner.next(results));
    // 3. let's begin to verify nested filter list
    // 3.1 add rowFilter, then add subFilterList
    FilterList filterList = new FilterList(FilterList.Operator.MUST_PASS_ONE);
    filterList.addFilter(rowFilter);
    filterList.addFilter(subFilterList);
    s1 = new Scan();
    s1.setFilter(filterList);
    scanner = testRegion.getScanner(s1);
    results = new ArrayList<>();
    for (i = 0; i <= 4; i += 2) {
        scanner.next(results);
        assertTrue(CellUtil.matchingRow(results.get(0), Bytes.toBytes("row" + i)));
        assertEquals(Bytes.toInt(CellUtil.cloneValue(results.get(0))), i % 2);
        results.clear();
    }
    for (i = 5; i <= 9; i++) {
        scanner.next(results);
        assertTrue(CellUtil.matchingRow(results.get(0), Bytes.toBytes("row" + i)));
        assertEquals(Bytes.toInt(CellUtil.cloneValue(results.get(0))), i % 2);
        results.clear();
    }
    assertFalse(scanner.next(results));
    // 3.2 MAGIC here! add subFilterList first, then add rowFilter
    filterList = new FilterList(FilterList.Operator.MUST_PASS_ONE);
    filterList.addFilter(subFilterList);
    filterList.addFilter(rowFilter);
    s1 = new Scan();
    s1.setFilter(filterList);
    scanner = testRegion.getScanner(s1);
    results = new ArrayList<>();
    for (i = 0; i <= 4; i += 2) {
        scanner.next(results);
        assertTrue(CellUtil.matchingRow(results.get(0), Bytes.toBytes("row" + i)));
        assertEquals(Bytes.toInt(CellUtil.cloneValue(results.get(0))), i % 2);
        results.clear();
    }
    for (i = 5; i <= 9; i++) {
        scanner.next(results);
        assertTrue(CellUtil.matchingRow(results.get(0), Bytes.toBytes("row" + i)));
        assertEquals(Bytes.toInt(CellUtil.cloneValue(results.get(0))), i % 2);
        results.clear();
    }
    assertFalse(scanner.next(results));
    WAL wal = ((HRegion) testRegion).getWAL();
    ((HRegion) testRegion).close();
    wal.close();
}