| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cassandra.cql3.validation.miscellaneous; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import com.google.common.base.Throwables; |
| |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.cql3.CQLTester; |
| import org.apache.cassandra.db.filter.TombstoneOverwhelmingException; |
| |
| import static junit.framework.Assert.assertTrue; |
| import static junit.framework.Assert.fail; |
| |
| /** |
| * Test that TombstoneOverwhelmingException gets thrown when it should be and doesn't when it shouldn't be. |
| */ |
| public class TombstonesTest extends CQLTester |
| { |
| static final int ORIGINAL_THRESHOLD = DatabaseDescriptor.getTombstoneFailureThreshold(); |
| static final int THRESHOLD = 100; |
| |
| @BeforeClass |
| public static void setUp() throws Throwable |
| { |
| DatabaseDescriptor.setTombstoneFailureThreshold(THRESHOLD); |
| } |
| |
| @AfterClass |
| public static void tearDown() |
| { |
| DatabaseDescriptor.setTombstoneFailureThreshold(ORIGINAL_THRESHOLD); |
| } |
| |
| @Test |
| public void testBelowThresholdSelect() throws Throwable |
| { |
| createTable("CREATE TABLE %s (a text, b text, c text, PRIMARY KEY (a, b));"); |
| |
| // insert exactly the amount of tombstones that shouldn't trigger an exception |
| for (int i = 0; i < THRESHOLD; i++) |
| execute("INSERT INTO %s (a, b, c) VALUES ('key', 'column" + i + "', null);"); |
| |
| try |
| { |
| execute("SELECT * FROM %s WHERE a = 'key';"); |
| } |
| catch (Throwable e) |
| { |
| fail("SELECT with tombstones below the threshold should not have failed, but has: " + e); |
| } |
| } |
| |
| @Test |
| public void testBeyondThresholdSelect() throws Throwable |
| { |
| createTable("CREATE TABLE %s (a text, b text, c text, PRIMARY KEY (a, b));"); |
| |
| // insert exactly the amount of tombstones that *SHOULD* trigger an exception |
| for (int i = 0; i < THRESHOLD + 1; i++) |
| execute("INSERT INTO %s (a, b, c) VALUES ('key', 'column" + i + "', null);"); |
| |
| try |
| { |
| execute("SELECT * FROM %s WHERE a = 'key';"); |
| fail("SELECT with tombstones beyond the threshold should have failed, but hasn't"); |
| } |
| catch (Throwable e) |
| { |
| String error = "Expected exception instanceof TombstoneOverwhelmingException instead got " |
| + System.lineSeparator() |
| + Throwables.getStackTraceAsString(e); |
| assertTrue(error, e instanceof TombstoneOverwhelmingException); |
| } |
| } |
| |
| @Test |
| public void testAllShadowedSelect() throws Throwable |
| { |
| createTable("CREATE TABLE %s (a text, b text, c text, PRIMARY KEY (a, b));"); |
| |
| // insert exactly the amount of tombstones that *SHOULD* normally trigger an exception |
| for (int i = 0; i < THRESHOLD + 1; i++) |
| execute("INSERT INTO %s (a, b, c) VALUES ('key', 'column" + i + "', null);"); |
| |
| // delete all with a partition level tombstone |
| execute("DELETE FROM %s WHERE a = 'key'"); |
| |
| try |
| { |
| execute("SELECT * FROM %s WHERE a = 'key';"); |
| } |
| catch (Throwable e) |
| { |
| fail("SELECT with tombstones shadowed by a partition tombstone should not have failed, but has: " + e); |
| } |
| } |
| |
| @Test |
| public void testLiveShadowedCellsSelect() throws Throwable |
| { |
| createTable("CREATE TABLE %s (a text, b text, c text, PRIMARY KEY (a, b));"); |
| |
| for (int i = 0; i < THRESHOLD + 1; i++) |
| execute("INSERT INTO %s (a, b, c) VALUES ('key', 'column" + i + "', 'column');"); |
| |
| // delete all with a partition level tombstone |
| execute("DELETE FROM %s WHERE a = 'key'"); |
| |
| try |
| { |
| execute("SELECT * FROM %s WHERE a = 'key';"); |
| } |
| catch (Throwable e) |
| { |
| fail("SELECT with regular cells shadowed by a partition tombstone should not have failed, but has: " + e); |
| } |
| } |
| |
| @Test |
| public void testExpiredTombstones() throws Throwable |
| { |
| createTable("CREATE TABLE %s (a text, b text, c text, PRIMARY KEY (a, b)) WITH gc_grace_seconds = 1;"); |
| |
| for (int i = 0; i < THRESHOLD + 1; i++) |
| execute("INSERT INTO %s (a, b, c) VALUES ('key', 'column" + i + "', null);"); |
| |
| // not yet past gc grace - must throw a TOE |
| try |
| { |
| execute("SELECT * FROM %s WHERE a = 'key';"); |
| fail("SELECT with tombstones beyond the threshold should have failed, but hasn't"); |
| } |
| catch (Throwable e) |
| { |
| assertTrue(e instanceof TombstoneOverwhelmingException); |
| } |
| |
| // sleep past gc grace |
| TimeUnit.SECONDS.sleep(2); |
| |
| // past gc grace - must not throw a TOE now |
| try |
| { |
| execute("SELECT * FROM %s WHERE a = 'key';"); |
| } |
| catch (Throwable e) |
| { |
| fail("SELECT with expired tombstones beyond the threshold should not have failed, but has: " + e); |
| } |
| } |
| } |