package org.apache.cassandra.service; /* * * 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. * */ import java.util.Arrays; import org.junit.Test; import org.apache.cassandra.SchemaLoader; import org.apache.cassandra.db.ColumnFamily; import org.apache.cassandra.db.DeletionInfo; import org.apache.cassandra.db.TreeMapBackedSortedColumns; import static org.junit.Assert.*; import static org.apache.cassandra.Util.column; import static org.apache.cassandra.db.KeyspaceTest.*; public class RowResolverTest extends SchemaLoader { @Test public void testResolveSupersetNewer() { ColumnFamily cf1 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf1.addColumn(column("c1", "v1", 0)); ColumnFamily cf2 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf2.addColumn(column("c1", "v2", 1)); ColumnFamily resolved = RowDataResolver.resolveSuperset(Arrays.asList(cf1, cf2), System.currentTimeMillis()); assertColumns(resolved, "c1"); assertColumns(ColumnFamily.diff(cf1, resolved), "c1"); assertNull(ColumnFamily.diff(cf2, resolved)); } @Test public void testResolveSupersetDisjoint() { ColumnFamily cf1 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf1.addColumn(column("c1", "v1", 0)); ColumnFamily cf2 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf2.addColumn(column("c2", "v2", 1)); ColumnFamily resolved = RowDataResolver.resolveSuperset(Arrays.asList(cf1, cf2), System.currentTimeMillis()); assertColumns(resolved, "c1", "c2"); assertColumns(ColumnFamily.diff(cf1, resolved), "c2"); assertColumns(ColumnFamily.diff(cf2, resolved), "c1"); } @Test public void testResolveSupersetNullOne() { ColumnFamily cf2 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf2.addColumn(column("c2", "v2", 1)); ColumnFamily resolved = RowDataResolver.resolveSuperset(Arrays.asList(null, cf2), System.currentTimeMillis()); assertColumns(resolved, "c2"); assertColumns(ColumnFamily.diff(null, resolved), "c2"); assertNull(ColumnFamily.diff(cf2, resolved)); } @Test public void testResolveSupersetNullTwo() { ColumnFamily cf1 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf1.addColumn(column("c1", "v1", 0)); ColumnFamily resolved = RowDataResolver.resolveSuperset(Arrays.asList(cf1, null), System.currentTimeMillis()); assertColumns(resolved, "c1"); assertNull(ColumnFamily.diff(cf1, resolved)); assertColumns(ColumnFamily.diff(null, resolved), "c1"); } @Test public void testResolveSupersetNullBoth() { assertNull(RowDataResolver.resolveSuperset(Arrays.<ColumnFamily>asList(null, null), System.currentTimeMillis())); } @Test public void testResolveDeleted() { // one CF with columns timestamped before a delete in another cf ColumnFamily cf1 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf1.addColumn(column("one", "A", 0)); ColumnFamily cf2 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf2.delete(new DeletionInfo(1L, (int) (System.currentTimeMillis() / 1000))); ColumnFamily resolved = RowDataResolver.resolveSuperset(Arrays.asList(cf1, cf2), System.currentTimeMillis()); // no columns in the cf assertColumns(resolved); assertTrue(resolved.isMarkedForDelete()); assertEquals(1, resolved.deletionInfo().getTopLevelDeletion().markedForDeleteAt); } @Test public void testResolveMultipleDeleted() { // deletes and columns with interleaved timestamp, with out of order return sequence ColumnFamily cf1 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf1.delete(new DeletionInfo(0L, (int) (System.currentTimeMillis() / 1000))); // these columns created after the previous deletion ColumnFamily cf2 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf2.addColumn(column("one", "A", 1)); cf2.addColumn(column("two", "A", 1)); //this column created after the next delete ColumnFamily cf3 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf3.addColumn(column("two", "B", 3)); ColumnFamily cf4 = TreeMapBackedSortedColumns.factory.create("Keyspace1", "Standard1"); cf4.delete(new DeletionInfo(2L, (int) (System.currentTimeMillis() / 1000))); ColumnFamily resolved = RowDataResolver.resolveSuperset(Arrays.asList(cf1, cf2, cf3, cf4), System.currentTimeMillis()); // will have deleted marker and one column assertColumns(resolved, "two"); assertColumn(resolved, "two", "B", 3); assertTrue(resolved.isMarkedForDelete()); assertEquals(2, resolved.deletionInfo().getTopLevelDeletion().markedForDeleteAt); } }