Examples with RowMutation org.apache.cassandra.db.RowMutation used on opensource projects

Example 11 with RowMutation

use of org.apache.cassandra.db.RowMutation in project eiger by wlloyd.

the class CompactionsPurgeTest method testCompactionPurgeTombstonedRow.

@Test
public void testCompactionPurgeTombstonedRow() throws IOException, ExecutionException, InterruptedException {
    CompactionManager.instance.disableAutoCompaction();
    String tableName = "Keyspace1";
    String cfName = "Standard1";
    Table table = Table.open(tableName);
    ColumnFamilyStore cfs = table.getColumnFamilyStore(cfName);
    DecoratedKey key = Util.dk("key3");
    RowMutation rm;
    // inserts
    rm = new RowMutation(tableName, key.key);
    for (int i = 0; i < 10; i++) {
        rm.add(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(i))), ByteBufferUtil.EMPTY_BYTE_BUFFER, i);
    }
    rm.apply();
    // deletes row with timestamp such that not all columns are deleted
    rm = new RowMutation(tableName, key.key);
    rm.delete(new QueryPath(cfName, null, null), 4);
    rm.apply();
    // flush and major compact (with tombstone purging)
    cfs.forceBlockingFlush();
    Util.compactAll(cfs).get();
    // re-inserts with timestamp lower than delete
    rm = new RowMutation(tableName, key.key);
    for (int i = 0; i < 5; i++) {
        rm.add(new QueryPath(cfName, null, ByteBufferUtil.bytes(String.valueOf(i))), ByteBufferUtil.EMPTY_BYTE_BUFFER, i);
    }
    rm.apply();
    // Check that the second insert did went in
    ColumnFamily cf = cfs.getColumnFamily(QueryFilter.getIdentityFilter(key, new QueryPath(cfName)));
    assertEquals(10, cf.getColumnCount());
    for (IColumn c : cf) assert !c.isMarkedForDelete();
}

Example 12 with RowMutation

use of org.apache.cassandra.db.RowMutation in project eiger by wlloyd.

the class CompactionsPurgeTest method testCompactionPurgeTombstonedSuperColumn.

@Test
public void testCompactionPurgeTombstonedSuperColumn() throws IOException, ExecutionException, InterruptedException {
    CompactionManager.instance.disableAutoCompaction();
    String tableName = "Keyspace1";
    String cfName = "Super5";
    Table table = Table.open(tableName);
    ColumnFamilyStore cfs = table.getColumnFamilyStore(cfName);
    DecoratedKey key = Util.dk("key5");
    RowMutation rm;
    ByteBuffer scName = ByteBufferUtil.bytes("sc");
    // inserts
    rm = new RowMutation(tableName, key.key);
    for (int i = 0; i < 10; i++) {
        rm.add(new QueryPath(cfName, scName, ByteBuffer.wrap(String.valueOf(i).getBytes())), ByteBufferUtil.EMPTY_BYTE_BUFFER, i);
    }
    rm.apply();
    // deletes supercolumn with timestamp such that not all columns go
    rm = new RowMutation(tableName, key.key);
    rm.delete(new QueryPath(cfName, scName, null), 4);
    rm.apply();
    // flush and major compact
    cfs.forceBlockingFlush();
    Util.compactAll(cfs).get();
    // re-inserts with timestamp lower than delete
    rm = new RowMutation(tableName, key.key);
    for (int i = 0; i < 5; i++) {
        rm.add(new QueryPath(cfName, scName, ByteBuffer.wrap(String.valueOf(i).getBytes())), ByteBufferUtil.EMPTY_BYTE_BUFFER, i);
    }
    rm.apply();
    // Check that the second insert did went in
    ColumnFamily cf = cfs.getColumnFamily(QueryFilter.getIdentityFilter(key, new QueryPath(cfName)));
    SuperColumn sc = (SuperColumn) cf.getColumn(scName);
    assert sc != null;
    assertEquals(10, sc.getColumnCount());
}

Example 13 with RowMutation

use of org.apache.cassandra.db.RowMutation in project eiger by wlloyd.

the class OneCompactionTest method testCompaction.

private void testCompaction(String columnFamilyName, int insertsPerTable) throws IOException, ExecutionException, InterruptedException {
    CompactionManager.instance.disableAutoCompaction();
    Table table = Table.open("Keyspace1");
    ColumnFamilyStore store = table.getColumnFamilyStore(columnFamilyName);
    Set<DecoratedKey> inserted = new HashSet<DecoratedKey>();
    for (int j = 0; j < insertsPerTable; j++) {
        DecoratedKey key = Util.dk(String.valueOf(j));
        RowMutation rm = new RowMutation("Keyspace1", key.key);
        rm.add(new QueryPath(columnFamilyName, null, ByteBufferUtil.bytes("0")), ByteBufferUtil.EMPTY_BYTE_BUFFER, j);
        rm.apply();
        inserted.add(key);
        store.forceBlockingFlush();
        assertEquals(inserted.size(), Util.getRangeSlice(store).size());
    }
    CompactionManager.instance.performMaximal(store);
    assertEquals(1, store.getSSTables().size());
}