@Test
public void testTTL() throws Exception {
TableName tableName = TableName.valueOf("testTTL");
if (TEST_UTIL.getHBaseAdmin().tableExists(tableName)) {
TEST_UTIL.deleteTable(tableName);
}
HTableDescriptor desc = new HTableDescriptor(tableName);
HColumnDescriptor hcd = new HColumnDescriptor(F).setMaxVersions(10).setTimeToLive(1);
desc.addFamily(hcd);
TEST_UTIL.getHBaseAdmin().createTable(desc);
Table t = new HTable(new Configuration(TEST_UTIL.getConfiguration()), tableName);
long now = EnvironmentEdgeManager.currentTime();
ManualEnvironmentEdge me = new ManualEnvironmentEdge();
me.setValue(now);
EnvironmentEdgeManagerTestHelper.injectEdge(me);
// 2s in the past
long ts = now - 2000;
// Set the TTL override to 3s
Put p = new Put(R);
p.setAttribute("ttl", new byte[] {});
p.add(F, tableName.getName(), Bytes.toBytes(3000L));
t.put(p);
p = new Put(R);
p.add(F, Q, ts, Q);
t.put(p);
p = new Put(R);
p.add(F, Q, ts + 1, Q);
t.put(p);
// these two should be expired but for the override
// (their ts was 2s in the past)
Get g = new Get(R);
g.setMaxVersions(10);
Result r = t.get(g);
// still there?
assertEquals(2, r.size());
TEST_UTIL.flush(tableName);
TEST_UTIL.compact(tableName, true);
g = new Get(R);
g.setMaxVersions(10);
r = t.get(g);
// still there?
assertEquals(2, r.size());
// roll time forward 2s.
me.setValue(now + 2000);
// now verify that data eventually does expire
g = new Get(R);
g.setMaxVersions(10);
r = t.get(g);
// should be gone now
assertEquals(0, r.size());
t.close();
}
@Test
public void testBaseCases() throws Exception {
TableName tableName = TableName.valueOf("baseCases");
if (TEST_UTIL.getHBaseAdmin().tableExists(tableName)) {
TEST_UTIL.deleteTable(tableName);
}
Table t = TEST_UTIL.createTable(tableName, F, 1);
// set the version override to 2
Put p = new Put(R);
p.setAttribute("versions", new byte[] {});
p.add(F, tableName.getName(), Bytes.toBytes(2));
t.put(p);
long now = EnvironmentEdgeManager.currentTime();
// insert 2 versions
p = new Put(R);
p.add(F, Q, now, Q);
t.put(p);
p = new Put(R);
p.add(F, Q, now + 1, Q);
t.put(p);
Get g = new Get(R);
g.setMaxVersions(10);
Result r = t.get(g);
assertEquals(2, r.size());
TEST_UTIL.flush(tableName);
TEST_UTIL.compact(tableName, true);
// both version are still visible even after a flush/compaction
g = new Get(R);
g.setMaxVersions(10);
r = t.get(g);
assertEquals(2, r.size());
// insert a 3rd version
p = new Put(R);
p.add(F, Q, now + 2, Q);
t.put(p);
g = new Get(R);
g.setMaxVersions(10);
r = t.get(g);
// still only two version visible
assertEquals(2, r.size());
t.close();
}