@Test
public void testRemoveColumnFamilyWithFlush1() {
Keyspace keyspace = Keyspace.open("Keyspace1");
ColumnFamilyStore store = keyspace.getColumnFamilyStore("Standard1");
Mutation rm;
DecoratedKey dk = Util.dk("key1");
// add data
rm = new Mutation("Keyspace1", dk.key);
rm.add("Standard1", Util.cellname("Column1"), ByteBufferUtil.bytes("asdf"), 0);
rm.add("Standard1", Util.cellname("Column2"), ByteBufferUtil.bytes("asdf"), 0);
rm.apply();
store.forceBlockingFlush();
// remove
rm = new Mutation("Keyspace1", dk.key);
rm.delete("Standard1", 1);
rm.apply();
ColumnFamily retrieved =
store.getColumnFamily(
QueryFilter.getIdentityFilter(dk, "Standard1", System.currentTimeMillis()));
assert retrieved.isMarkedForDelete();
assertNull(retrieved.getColumn(Util.cellname("Column1")));
assertNull(Util.cloneAndRemoveDeleted(retrieved, Integer.MAX_VALUE));
}
private void testDontPurgeAccidentaly(String k, String cfname) throws InterruptedException {
// This test catches the regression of CASSANDRA-2786
Keyspace keyspace = Keyspace.open(KEYSPACE1);
ColumnFamilyStore cfs = keyspace.getColumnFamilyStore(cfname);
// disable compaction while flushing
cfs.clearUnsafe();
cfs.disableAutoCompaction();
// Add test row
DecoratedKey key = Util.dk(k);
Mutation rm = new Mutation(KEYSPACE1, key.getKey());
rm.add(
cfname,
Util.cellname(ByteBufferUtil.bytes("sc"), ByteBufferUtil.bytes("c")),
ByteBufferUtil.EMPTY_BYTE_BUFFER,
0);
rm.applyUnsafe();
cfs.forceBlockingFlush();
Collection<SSTableReader> sstablesBefore = cfs.getSSTables();
QueryFilter filter = QueryFilter.getIdentityFilter(key, cfname, System.currentTimeMillis());
assertTrue(cfs.getColumnFamily(filter).hasColumns());
// Remove key
rm = new Mutation(KEYSPACE1, key.getKey());
rm.delete(cfname, 2);
rm.applyUnsafe();
ColumnFamily cf = cfs.getColumnFamily(filter);
assertTrue("should be empty: " + cf, cf == null || !cf.hasColumns());
// Sleep one second so that the removal is indeed purgeable even with gcgrace == 0
Thread.sleep(1000);
cfs.forceBlockingFlush();
Collection<SSTableReader> sstablesAfter = cfs.getSSTables();
Collection<SSTableReader> toCompact = new ArrayList<SSTableReader>();
for (SSTableReader sstable : sstablesAfter)
if (!sstablesBefore.contains(sstable)) toCompact.add(sstable);
Util.compact(cfs, toCompact);
cf = cfs.getColumnFamily(filter);
assertTrue("should be empty: " + cf, cf == null || !cf.hasColumns());
}
