@Test(timeout = 120000)
public void testChangeTable() throws Exception {
HTableDescriptor hdt = HTU.createTableDescriptor("testChangeTable");
hdt.setRegionReplication(NB_SERVERS);
hdt.addCoprocessor(SlowMeCopro.class.getName());
Table table = HTU.createTable(hdt, new byte[][] {f}, HTU.getConfiguration());
// basic test: it should work.
Put p = new Put(row);
p.add(f, row, row);
table.put(p);
Get g = new Get(row);
Result r = table.get(g);
Assert.assertFalse(r.isStale());
// Add a CF, it should work.
HTableDescriptor bHdt = HTU.getHBaseAdmin().getTableDescriptor(hdt.getTableName());
HColumnDescriptor hcd = new HColumnDescriptor(row);
hdt.addFamily(hcd);
HTU.getHBaseAdmin().disableTable(hdt.getTableName());
HTU.getHBaseAdmin().modifyTable(hdt.getTableName(), hdt);
HTU.getHBaseAdmin().enableTable(hdt.getTableName());
HTableDescriptor nHdt = HTU.getHBaseAdmin().getTableDescriptor(hdt.getTableName());
Assert.assertEquals(
"fams=" + Arrays.toString(nHdt.getColumnFamilies()),
bHdt.getColumnFamilies().length + 1,
nHdt.getColumnFamilies().length);
p = new Put(row);
p.add(row, row, row);
table.put(p);
g = new Get(row);
r = table.get(g);
Assert.assertFalse(r.isStale());
try {
SlowMeCopro.cdl.set(new CountDownLatch(1));
g = new Get(row);
g.setConsistency(Consistency.TIMELINE);
r = table.get(g);
Assert.assertTrue(r.isStale());
} finally {
SlowMeCopro.cdl.get().countDown();
SlowMeCopro.sleepTime.set(0);
}
Admin admin = HTU.getHBaseAdmin();
nHdt = admin.getTableDescriptor(hdt.getTableName());
Assert.assertEquals(
"fams=" + Arrays.toString(nHdt.getColumnFamilies()),
bHdt.getColumnFamilies().length + 1,
nHdt.getColumnFamilies().length);
admin.disableTable(hdt.getTableName());
admin.deleteTable(hdt.getTableName());
admin.close();
}
public boolean removeTable(String tableName) {
try {
Admin admin = connection.getAdmin();
TableName t = TableName.valueOf(tableName);
if (admin.tableExists(t)) {
admin.disableTable(t);
admin.deleteTable(t);
return true;
}
} catch (IOException e) {
e.printStackTrace();
}
return false;
}
@BeforeClass
public static void setUpBeforeClass() throws Exception {
conf = HBaseConfiguration.create();
conf.setStrings(
CoprocessorHost.USER_REGION_COPROCESSOR_CONF_KEY, TestCoprocessor.class.getName());
util = new HBaseTestingUtility(conf);
util.startMiniCluster();
Admin admin = util.getAdmin();
if (admin.tableExists(tableName)) {
if (admin.isTableEnabled(tableName)) {
admin.disableTable(tableName);
}
admin.deleteTable(tableName);
}
Table ht = util.createTable(tableName, new byte[][] {dummy, test});
Put p = new Put(row1);
p.addColumn(dummy, dummy, dummy);
ht.put(p);
}
@Override
void perform() throws IOException {
HTableDescriptor selected = selectTable(disabledTables);
if (selected == null) {
return;
}
Admin admin = connection.getAdmin();
try {
TableName tableName = selected.getTableName();
LOG.info("Deleting table :" + selected);
admin.deleteTable(tableName);
Assert.assertFalse("Table: " + selected + " was not deleted", admin.tableExists(tableName));
deletedTables.put(tableName, selected);
LOG.info("Deleted table :" + selected);
} catch (Exception e) {
LOG.warn("Caught exception in action: " + this.getClass());
throw e;
} finally {
admin.close();
}
verifyTables();
}
@After
public void tearDown() throws Exception {
admin.disableTable(TableName.valueOf(tableName));
admin.deleteTable(TableName.valueOf(tableName));
admin.close();
}
