Examples with ISSTableScanner org.apache.cassandra.io.sstable.ISSTableScanner used on opensource projects

Example 11 with ISSTableScanner

use of org.apache.cassandra.io.sstable.ISSTableScanner in project cassandra by apache.

the class TTLExpiryTest method testNoExpire.

@Test
public void testNoExpire() throws InterruptedException, IOException {
    ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore("Standard1");
    cfs.truncateBlocking();
    cfs.disableAutoCompaction();
    MigrationManager.announceTableUpdate(cfs.metadata().unbuild().gcGraceSeconds(0).build(), true);
    long timestamp = System.currentTimeMillis();
    String key = "ttl";
    new RowUpdateBuilder(cfs.metadata(), timestamp, 1, key).add("col", ByteBufferUtil.EMPTY_BYTE_BUFFER).add("col7", ByteBufferUtil.EMPTY_BYTE_BUFFER).build().applyUnsafe();
    cfs.forceBlockingFlush();
    new RowUpdateBuilder(cfs.metadata(), timestamp, 1, key).add("col2", ByteBufferUtil.EMPTY_BYTE_BUFFER).build().applyUnsafe();
    cfs.forceBlockingFlush();
    new RowUpdateBuilder(cfs.metadata(), timestamp, 1, key).add("col3", ByteBufferUtil.EMPTY_BYTE_BUFFER).build().applyUnsafe();
    cfs.forceBlockingFlush();
    String noTTLKey = "nottl";
    new RowUpdateBuilder(cfs.metadata(), timestamp, noTTLKey).add("col311", ByteBufferUtil.EMPTY_BYTE_BUFFER).build().applyUnsafe();
    cfs.forceBlockingFlush();
    // wait for ttl to expire
    Thread.sleep(2000);
    assertEquals(4, cfs.getLiveSSTables().size());
    cfs.enableAutoCompaction(true);
    assertEquals(1, cfs.getLiveSSTables().size());
    SSTableReader sstable = cfs.getLiveSSTables().iterator().next();
    ISSTableScanner scanner = sstable.getScanner(ColumnFilter.all(cfs.metadata()), DataRange.allData(cfs.getPartitioner()));
    assertTrue(scanner.hasNext());
    while (scanner.hasNext()) {
        UnfilteredRowIterator iter = scanner.next();
        assertEquals(Util.dk(noTTLKey), iter.partitionKey());
    }
    scanner.close();
}