Examples with Scan org.apache.hadoop.hbase.client.Scan used on opensource projects

Example 71 with Scan

use of org.apache.hadoop.hbase.client.Scan in project hbase by apache.

the class TestVisibilityLabelsWithDeletes method testDeleteColumnWithSpecificTimeStampUsingMultipleVersionsUnMatchingVisExpression.

@Test
public void testDeleteColumnWithSpecificTimeStampUsingMultipleVersionsUnMatchingVisExpression() throws Exception {
    setAuths();
    final TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    try (Table table = doPuts(tableName)) {
        TEST_UTIL.getAdmin().flush(tableName);
        PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.setCellVisibility(new CellVisibility("(" + PRIVATE + "&" + CONFIDENTIAL + ")|(" + SECRET + "&" + TOPSECRET + ")"));
                    d.addColumn(fam, qual, 125l);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        TEST_UTIL.getAdmin().flush(tableName);
        Scan s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
        ResultScanner scanner = table.getScanner(s);
        Result[] next = scanner.next(3);
        assertTrue(next.length == 2);
        CellScanner cellScanner = next[0].cellScanner();
        cellScanner.advance();
        Cell current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 127l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 126l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 125l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 124l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 123l);
        cellScanner = next[1].cellScanner();
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row2, 0, row2.length));
    }
}

Example 72 with Scan

use of org.apache.hadoop.hbase.client.Scan in project hbase by apache.

the class TestVisibilityLabelsWithDeletes method testDeleteColumnWithLatestTimeStampUsingMultipleVersions.

@Test
public void testDeleteColumnWithLatestTimeStampUsingMultipleVersions() throws Exception {
    setAuths();
    final TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    try (Table table = doPuts(tableName)) {
        TEST_UTIL.getAdmin().flush(tableName);
        PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.setCellVisibility(new CellVisibility(SECRET + "&" + TOPSECRET));
                    d.addColumn(fam, qual);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        TEST_UTIL.getAdmin().flush(tableName);
        Scan s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
        ResultScanner scanner = table.getScanner(s);
        Result[] next = scanner.next(3);
        assertTrue(next.length == 2);
        CellScanner cellScanner = next[0].cellScanner();
        cellScanner.advance();
        Cell current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 127l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 126l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 124l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 123l);
        cellScanner = next[1].cellScanner();
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row2, 0, row2.length));
    }
}

Example 73 with Scan

use of org.apache.hadoop.hbase.client.Scan in project hbase by apache.

the class TestVisibilityLabelsWithDeletes method testDeleteFamilySpecificTimeStampWithMulipleVersions.

@Test
public void testDeleteFamilySpecificTimeStampWithMulipleVersions() throws Exception {
    setAuths();
    final TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    try (Table table = doPuts(tableName)) {
        TEST_UTIL.getAdmin().flush(tableName);
        PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.setCellVisibility(new CellVisibility("(" + PRIVATE + "&" + CONFIDENTIAL + ")|(" + SECRET + "&" + TOPSECRET + ")"));
                    d.addFamily(fam, 126l);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        TEST_UTIL.getAdmin().flush(tableName);
        Scan s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
        ResultScanner scanner = table.getScanner(s);
        Result[] next = scanner.next(6);
        assertTrue(next.length == 2);
        CellScanner cellScanner = next[0].cellScanner();
        cellScanner.advance();
        Cell current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 127l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 125l);
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row1, 0, row1.length));
        assertEquals(current.getTimestamp(), 123l);
        cellScanner = next[1].cellScanner();
        cellScanner.advance();
        current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row2, 0, row2.length));
    }
}

Example 74 with Scan

use of org.apache.hadoop.hbase.client.Scan in project hbase by apache.

the class TestVisibilityLabelsWithDeletes method testVisibilityLabelsWithDeleteFamilyWithPutsReAppearing.

@Test
public void testVisibilityLabelsWithDeleteFamilyWithPutsReAppearing() throws Exception {
    final TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    Admin hBaseAdmin = TEST_UTIL.getAdmin();
    HColumnDescriptor colDesc = new HColumnDescriptor(fam);
    colDesc.setMaxVersions(5);
    HTableDescriptor desc = new HTableDescriptor(tableName);
    desc.addFamily(colDesc);
    hBaseAdmin.createTable(desc);
    try (Table table = TEST_UTIL.getConnection().getTable(tableName)) {
        Put put = new Put(Bytes.toBytes("row1"));
        put.addColumn(fam, qual, value);
        put.setCellVisibility(new CellVisibility(CONFIDENTIAL));
        table.put(put);
        put = new Put(Bytes.toBytes("row1"));
        put.addColumn(fam, qual, value);
        put.setCellVisibility(new CellVisibility(SECRET));
        table.put(put);
        TEST_UTIL.getAdmin().flush(tableName);
        PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.setCellVisibility(new CellVisibility(CONFIDENTIAL));
                    d.addFamily(fam);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        Scan s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET));
        ResultScanner scanner = table.getScanner(s);
        Result[] next = scanner.next(3);
        assertEquals(next.length, 1);
        put = new Put(Bytes.toBytes("row1"));
        put.addColumn(fam, qual, value1);
        put.setCellVisibility(new CellVisibility(CONFIDENTIAL));
        table.put(put);
        actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.setCellVisibility(new CellVisibility(SECRET));
                    d.addFamily(fam);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(CONFIDENTIAL));
        scanner = table.getScanner(s);
        next = scanner.next(3);
        assertEquals(next.length, 1);
        s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET));
        scanner = table.getScanner(s);
        Result[] next1 = scanner.next(3);
        assertEquals(next1.length, 0);
    }
}

Example 75 with Scan

use of org.apache.hadoop.hbase.client.Scan in project hbase by apache.

the class TestVisibilityLabelsWithDeletes method testDeleteFamilyWithoutCellVisibilityWithMulipleVersions.

@Test
public void testDeleteFamilyWithoutCellVisibilityWithMulipleVersions() throws Exception {
    setAuths();
    final TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
    try (Table table = doPutsWithoutVisibility(tableName)) {
        TEST_UTIL.getAdmin().flush(tableName);
        PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {

            @Override
            public Void run() throws Exception {
                try (Connection connection = ConnectionFactory.createConnection(conf);
                    Table table = connection.getTable(tableName)) {
                    Delete d = new Delete(row1);
                    d.addFamily(fam);
                    table.delete(d);
                } catch (Throwable t) {
                    throw new IOException(t);
                }
                return null;
            }
        };
        SUPERUSER.runAs(actiona);
        TEST_UTIL.getAdmin().flush(tableName);
        Scan s = new Scan();
        s.setMaxVersions(5);
        s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
        ResultScanner scanner = table.getScanner(s);
        Result[] next = scanner.next(3);
        assertTrue(next.length == 1);
        // All cells wrt row1 should be deleted as we are not passing the Cell Visibility
        CellScanner cellScanner = next[0].cellScanner();
        cellScanner.advance();
        Cell current = cellScanner.current();
        assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(), row2, 0, row2.length));
    }
}