@Test
public void testSuperColumnTombstones()
throws IOException, ExecutionException, InterruptedException {
Keyspace keyspace = Keyspace.open(KEYSPACE1);
ColumnFamilyStore cfs = keyspace.getColumnFamilyStore("Super1");
cfs.disableAutoCompaction();
DecoratedKey key = Util.dk("tskey");
ByteBuffer scName = ByteBufferUtil.bytes("TestSuperColumn");
// a subcolumn
RowMutation rm = new RowMutation(KEYSPACE1, key.key);
rm.add(
"Super1",
CompositeType.build(scName, ByteBufferUtil.bytes(0)),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
FBUtilities.timestampMicros());
rm.apply();
cfs.forceBlockingFlush();
// shadow the subcolumn with a supercolumn tombstone
rm = new RowMutation(KEYSPACE1, key.key);
rm.deleteRange(
"Super1",
SuperColumns.startOf(scName),
SuperColumns.endOf(scName),
FBUtilities.timestampMicros());
rm.apply();
cfs.forceBlockingFlush();
CompactionManager.instance.performMaximal(cfs);
assertEquals(1, cfs.getSSTables().size());
// check that the shadowed column is gone
SSTableReader sstable = cfs.getSSTables().iterator().next();
Range keyRange =
new Range<RowPosition>(key, sstable.partitioner.getMinimumToken().maxKeyBound());
SSTableScanner scanner = sstable.getScanner(DataRange.forKeyRange(keyRange));
OnDiskAtomIterator iter = scanner.next();
assertEquals(key, iter.getKey());
assert iter.next() instanceof RangeTombstone;
assert !iter.hasNext();
}
@Test
public void testNoExpire() throws ExecutionException, InterruptedException {
ColumnFamilyStore cfs = Keyspace.open("Keyspace1").getColumnFamilyStore("Standard1");
cfs.disableAutoCompaction();
cfs.metadata.gcGraceSeconds(0);
long timestamp = System.currentTimeMillis();
RowMutation rm = new RowMutation("Keyspace1", Util.dk("ttl").key);
rm.add(
"Standard1", ByteBufferUtil.bytes("col"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp, 1);
rm.add(
"Standard1", ByteBufferUtil.bytes("col7"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp, 1);
rm.apply();
cfs.forceBlockingFlush();
rm = new RowMutation("Keyspace1", Util.dk("ttl").key);
rm.add(
"Standard1", ByteBufferUtil.bytes("col2"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp, 1);
rm.apply();
cfs.forceBlockingFlush();
rm = new RowMutation("Keyspace1", Util.dk("ttl").key);
rm.add(
"Standard1", ByteBufferUtil.bytes("col3"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp, 1);
rm.apply();
cfs.forceBlockingFlush();
DecoratedKey noTTLKey = Util.dk("nottl");
rm = new RowMutation("Keyspace1", noTTLKey.key);
rm.add(
"Standard1", ByteBufferUtil.bytes("col311"), ByteBufferUtil.EMPTY_BYTE_BUFFER, timestamp);
rm.apply();
cfs.forceBlockingFlush();
Thread.sleep(2000); // wait for ttl to expire
assertEquals(4, cfs.getSSTables().size());
cfs.enableAutoCompaction(true);
assertEquals(1, cfs.getSSTables().size());
SSTableReader sstable = cfs.getSSTables().iterator().next();
SSTableScanner scanner = sstable.getScanner(DataRange.allData(sstable.partitioner));
assertTrue(scanner.hasNext());
while (scanner.hasNext()) {
OnDiskAtomIterator iter = scanner.next();
assertEquals(noTTLKey, iter.getKey());
}
}