| /* |
| * 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.db; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.cassandra.Util; |
| import org.apache.cassandra.config.CFMetaData; |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.apache.cassandra.cql3.CQLTester; |
| import org.apache.cassandra.db.marshal.AbstractType; |
| import org.apache.cassandra.db.marshal.LongType; |
| import org.apache.cassandra.db.rows.EncodingStats; |
| import org.apache.cassandra.db.partitions.*; |
| import org.apache.cassandra.io.sstable.IndexHelper; |
| import org.apache.cassandra.io.sstable.format.big.BigFormat; |
| import org.apache.cassandra.io.util.DataInputBuffer; |
| import org.apache.cassandra.io.util.DataOutputBuffer; |
| import org.apache.cassandra.io.util.SequentialWriter; |
| import org.apache.cassandra.utils.FBUtilities; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import static junit.framework.Assert.assertEquals; |
| import static junit.framework.Assert.assertTrue; |
| |
| public class RowIndexEntryTest extends CQLTester |
| { |
| private static final List<AbstractType<?>> clusterTypes = Collections.<AbstractType<?>>singletonList(LongType.instance); |
| private static final ClusteringComparator comp = new ClusteringComparator(clusterTypes); |
| private static ClusteringPrefix cn(long l) |
| { |
| return Util.clustering(comp, l); |
| } |
| |
| @Test |
| public void testArtificialIndexOf() throws IOException |
| { |
| CFMetaData cfMeta = CFMetaData.compile("CREATE TABLE pipe.dev_null (pk bigint, ck bigint, val text, PRIMARY KEY(pk, ck))", "foo"); |
| |
| DeletionTime deletionInfo = new DeletionTime(FBUtilities.timestampMicros(), FBUtilities.nowInSeconds()); |
| |
| SerializationHeader header = new SerializationHeader(true, cfMeta, cfMeta.partitionColumns(), EncodingStats.NO_STATS); |
| IndexHelper.IndexInfo.Serializer indexSerializer = new IndexHelper.IndexInfo.Serializer(cfMeta, BigFormat.latestVersion, header); |
| |
| DataOutputBuffer dob = new DataOutputBuffer(); |
| dob.writeUnsignedVInt(0); |
| DeletionTime.serializer.serialize(DeletionTime.LIVE, dob); |
| dob.writeUnsignedVInt(3); |
| int off0 = dob.getLength(); |
| indexSerializer.serialize(new IndexHelper.IndexInfo(cn(0L), cn(5L), 0, 0, deletionInfo), dob); |
| int off1 = dob.getLength(); |
| indexSerializer.serialize(new IndexHelper.IndexInfo(cn(10L), cn(15L), 0, 0, deletionInfo), dob); |
| int off2 = dob.getLength(); |
| indexSerializer.serialize(new IndexHelper.IndexInfo(cn(20L), cn(25L), 0, 0, deletionInfo), dob); |
| dob.writeInt(off0); |
| dob.writeInt(off1); |
| dob.writeInt(off2); |
| |
| @SuppressWarnings("resource") DataOutputBuffer dobRie = new DataOutputBuffer(); |
| dobRie.writeUnsignedVInt(42L); |
| dobRie.writeUnsignedVInt(dob.getLength()); |
| dobRie.write(dob.buffer()); |
| |
| ByteBuffer buf = dobRie.buffer(); |
| |
| RowIndexEntry<IndexHelper.IndexInfo> rie = new RowIndexEntry.Serializer(cfMeta, BigFormat.latestVersion, header).deserialize(new DataInputBuffer(buf, false)); |
| |
| Assert.assertEquals(42L, rie.position); |
| |
| Assert.assertEquals(0, IndexHelper.indexFor(cn(-1L), rie.columnsIndex(), comp, false, -1)); |
| Assert.assertEquals(0, IndexHelper.indexFor(cn(5L), rie.columnsIndex(), comp, false, -1)); |
| Assert.assertEquals(1, IndexHelper.indexFor(cn(12L), rie.columnsIndex(), comp, false, -1)); |
| Assert.assertEquals(2, IndexHelper.indexFor(cn(17L), rie.columnsIndex(), comp, false, -1)); |
| Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, -1)); |
| Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, 0)); |
| Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, 1)); |
| Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, 2)); |
| Assert.assertEquals(3, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, false, 3)); |
| |
| Assert.assertEquals(-1, IndexHelper.indexFor(cn(-1L), rie.columnsIndex(), comp, true, -1)); |
| Assert.assertEquals(0, IndexHelper.indexFor(cn(5L), rie.columnsIndex(), comp, true, 3)); |
| Assert.assertEquals(0, IndexHelper.indexFor(cn(5L), rie.columnsIndex(), comp, true, 2)); |
| Assert.assertEquals(1, IndexHelper.indexFor(cn(17L), rie.columnsIndex(), comp, true, 3)); |
| Assert.assertEquals(2, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, true, 3)); |
| Assert.assertEquals(2, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, true, 4)); |
| Assert.assertEquals(1, IndexHelper.indexFor(cn(12L), rie.columnsIndex(), comp, true, 3)); |
| Assert.assertEquals(1, IndexHelper.indexFor(cn(12L), rie.columnsIndex(), comp, true, 2)); |
| Assert.assertEquals(1, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, true, 1)); |
| Assert.assertEquals(2, IndexHelper.indexFor(cn(100L), rie.columnsIndex(), comp, true, 2)); |
| } |
| |
| @Test |
| public void testSerializedSize() throws Throwable |
| { |
| String tableName = createTable("CREATE TABLE %s (a int, b text, c int, PRIMARY KEY(a, b))"); |
| ColumnFamilyStore cfs = Keyspace.open(KEYSPACE).getColumnFamilyStore(tableName); |
| |
| final RowIndexEntry simple = new RowIndexEntry(123); |
| |
| DataOutputBuffer buffer = new DataOutputBuffer(); |
| SerializationHeader header = new SerializationHeader(true, cfs.metadata, cfs.metadata.partitionColumns(), EncodingStats.NO_STATS); |
| RowIndexEntry.Serializer serializer = new RowIndexEntry.Serializer(cfs.metadata, BigFormat.latestVersion, header); |
| |
| serializer.serialize(simple, buffer); |
| |
| assertEquals(buffer.getLength(), serializer.serializedSize(simple)); |
| |
| // write enough rows to ensure we get a few column index entries |
| for (int i = 0; i <= DatabaseDescriptor.getColumnIndexSize() / 4; i++) |
| execute("INSERT INTO %s (a, b, c) VALUES (?, ?, ?)", 0, "" + i, i); |
| |
| ImmutableBTreePartition partition = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs).build()); |
| |
| File tempFile = File.createTempFile("row_index_entry_test", null); |
| tempFile.deleteOnExit(); |
| SequentialWriter writer = SequentialWriter.open(tempFile); |
| ColumnIndex columnIndex = ColumnIndex.writeAndBuildIndex(partition.unfilteredIterator(), writer, header, BigFormat.latestVersion); |
| RowIndexEntry<IndexHelper.IndexInfo> withIndex = RowIndexEntry.create(0xdeadbeef, DeletionTime.LIVE, columnIndex); |
| IndexHelper.IndexInfo.Serializer indexSerializer = new IndexHelper.IndexInfo.Serializer(cfs.metadata, BigFormat.latestVersion, header); |
| |
| // sanity check |
| assertTrue(columnIndex.columnsIndex.size() >= 3); |
| |
| buffer = new DataOutputBuffer(); |
| serializer.serialize(withIndex, buffer); |
| assertEquals(buffer.getLength(), serializer.serializedSize(withIndex)); |
| |
| // serialization check |
| |
| ByteBuffer bb = buffer.buffer(); |
| DataInputBuffer input = new DataInputBuffer(bb, false); |
| serializationCheck(withIndex, indexSerializer, bb, input); |
| |
| // test with an output stream that doesn't support a file-pointer |
| buffer = new DataOutputBuffer() |
| { |
| public boolean hasPosition() |
| { |
| return false; |
| } |
| |
| public long position() |
| { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| serializer.serialize(withIndex, buffer); |
| bb = buffer.buffer(); |
| input = new DataInputBuffer(bb, false); |
| serializationCheck(withIndex, indexSerializer, bb, input); |
| |
| // |
| |
| bb = buffer.buffer(); |
| input = new DataInputBuffer(bb, false); |
| RowIndexEntry.Serializer.skip(input, BigFormat.latestVersion); |
| Assert.assertEquals(0, bb.remaining()); |
| } |
| |
| private void serializationCheck(RowIndexEntry<IndexHelper.IndexInfo> withIndex, IndexHelper.IndexInfo.Serializer indexSerializer, ByteBuffer bb, DataInputBuffer input) throws IOException |
| { |
| Assert.assertEquals(0xdeadbeef, input.readUnsignedVInt()); |
| Assert.assertEquals(withIndex.promotedSize(indexSerializer), input.readUnsignedVInt()); |
| |
| Assert.assertEquals(withIndex.headerLength(), input.readUnsignedVInt()); |
| Assert.assertEquals(withIndex.deletionTime(), DeletionTime.serializer.deserialize(input)); |
| Assert.assertEquals(withIndex.columnsIndex().size(), input.readUnsignedVInt()); |
| |
| int offset = bb.position(); |
| int[] offsets = new int[withIndex.columnsIndex().size()]; |
| for (int i = 0; i < withIndex.columnsIndex().size(); i++) |
| { |
| int pos = bb.position(); |
| offsets[i] = pos - offset; |
| IndexHelper.IndexInfo info = indexSerializer.deserialize(input); |
| int end = bb.position(); |
| |
| Assert.assertEquals(indexSerializer.serializedSize(info), end - pos); |
| |
| Assert.assertEquals(withIndex.columnsIndex().get(i).offset, info.offset); |
| Assert.assertEquals(withIndex.columnsIndex().get(i).width, info.width); |
| Assert.assertEquals(withIndex.columnsIndex().get(i).endOpenMarker, info.endOpenMarker); |
| Assert.assertEquals(withIndex.columnsIndex().get(i).firstName, info.firstName); |
| Assert.assertEquals(withIndex.columnsIndex().get(i).lastName, info.lastName); |
| } |
| |
| for (int i = 0; i < withIndex.columnsIndex().size(); i++) |
| Assert.assertEquals(offsets[i], input.readInt()); |
| |
| Assert.assertEquals(0, bb.remaining()); |
| } |
| } |