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* 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
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
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package org.apache.cassandra.db;
import java.io.IOException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import org.junit.BeforeClass;
import org.junit.Test;
import org.apache.cassandra.schema.ColumnMetadata;
import org.apache.cassandra.db.rows.EncodingStats;
import org.apache.cassandra.db.rows.UnfilteredRowIterators;
import org.apache.cassandra.db.marshal.AsciiType;
import org.apache.cassandra.db.marshal.BytesType;
import org.apache.cassandra.db.partitions.*;
import org.apache.cassandra.io.util.DataInputBuffer;
import org.apache.cassandra.io.util.DataOutputBuffer;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.SchemaLoader;
import org.apache.cassandra.Util;
import org.apache.cassandra.schema.KeyspaceParams;
import org.apache.cassandra.utils.ByteBufferUtil;
import org.apache.cassandra.utils.FBUtilities;
import static junit.framework.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
public class PartitionTest
{
private static final String KEYSPACE1 = "Keyspace1";
private static final String CF_STANDARD1 = "Standard1";
private static final String CF_TENCOL = "TenColumns";
private static final String CF_COUNTER1 = "Counter1";
@BeforeClass
public static void defineSchema() throws ConfigurationException
{
SchemaLoader.prepareServer();
SchemaLoader.createKeyspace(KEYSPACE1,
KeyspaceParams.simple(1),
SchemaLoader.standardCFMD(KEYSPACE1, CF_STANDARD1),
SchemaLoader.standardCFMD(KEYSPACE1, CF_TENCOL, 10, AsciiType.instance),
SchemaLoader.denseCFMD(KEYSPACE1, CF_COUNTER1, BytesType.instance));
}
@Test
public void testSingleColumn() throws IOException
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore(CF_STANDARD1);
PartitionUpdate update = new RowUpdateBuilder(cfs.metadata(), 5, "key1")
.clustering("c")
.add("val", "val1")
.buildUpdate();
CachedBTreePartition partition = CachedBTreePartition.create(update.unfilteredIterator(), FBUtilities.nowInSeconds());
DataOutputBuffer bufOut = new DataOutputBuffer();
CachedPartition.cacheSerializer.serialize(partition, bufOut);
CachedPartition deserialized = CachedPartition.cacheSerializer.deserialize(new DataInputBuffer(bufOut.getData()));
assert deserialized != null;
assert deserialized.metadata().name.equals(CF_STANDARD1);
assert deserialized.partitionKey().equals(partition.partitionKey());
}
@Test
public void testManyColumns() throws IOException
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore(CF_TENCOL);
RowUpdateBuilder builder = new RowUpdateBuilder(cfs.metadata(), 5, "key1")
.clustering("c")
.add("val", "val1");
for (int i = 0; i < 10; i++)
builder.add("val" + i, "val" + i);
PartitionUpdate update = builder.buildUpdate();
CachedBTreePartition partition = CachedBTreePartition.create(update.unfilteredIterator(), FBUtilities.nowInSeconds());
DataOutputBuffer bufOut = new DataOutputBuffer();
CachedPartition.cacheSerializer.serialize(partition, bufOut);
CachedPartition deserialized = CachedPartition.cacheSerializer.deserialize(new DataInputBuffer(bufOut.getData()));
assertEquals(partition.columns().regulars.size(), deserialized.columns().regulars.size());
assertTrue(deserialized.columns().regulars.getSimple(1).equals(partition.columns().regulars.getSimple(1)));
assertTrue(deserialized.columns().regulars.getSimple(5).equals(partition.columns().regulars.getSimple(5)));
ColumnMetadata cDef = cfs.metadata().getColumn(ByteBufferUtil.bytes("val8"));
assertTrue(partition.lastRow().getCell(cDef).value().equals(deserialized.lastRow().getCell(cDef).value()));
assert deserialized.partitionKey().equals(partition.partitionKey());
}
@Test
public void testDigest() throws NoSuchAlgorithmException
{
testDigest(MessagingService.current_version);
}
public void testDigest(int version) throws NoSuchAlgorithmException
{
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore(CF_TENCOL);
try
{
RowUpdateBuilder builder = new RowUpdateBuilder(cfs.metadata(), 5, "key1").clustering("c").add("val", "val1");
for (int i = 0; i < 10; i++)
builder.add("val" + i, "val" + i);
builder.build().applyUnsafe();
new RowUpdateBuilder(cfs.metadata(), 5, "key2").clustering("c").add("val", "val2").build().applyUnsafe();
ReadCommand cmd1 = Util.cmd(cfs, "key1").build();
ReadCommand cmd2 = Util.cmd(cfs, "key2").build();
ImmutableBTreePartition p1 = Util.getOnlyPartitionUnfiltered(cmd1);
ImmutableBTreePartition p2 = Util.getOnlyPartitionUnfiltered(cmd2);
MessageDigest digest1 = MessageDigest.getInstance("MD5");
MessageDigest digest2 = MessageDigest.getInstance("MD5");
UnfilteredRowIterators.digest(p1.unfilteredIterator(), digest1, version);
UnfilteredRowIterators.digest(p2.unfilteredIterator(), digest2, version);
assertFalse(Arrays.equals(digest1.digest(), digest2.digest()));
p1 = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, "key2").build());
p2 = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, "key2").build());
digest1 = MessageDigest.getInstance("MD5");
digest2 = MessageDigest.getInstance("MD5");
UnfilteredRowIterators.digest(p1.unfilteredIterator(), digest1, version);
UnfilteredRowIterators.digest(p2.unfilteredIterator(), digest2, version);
assertTrue(Arrays.equals(digest1.digest(), digest2.digest()));
p1 = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, "key2").build());
RowUpdateBuilder.deleteRow(cfs.metadata(), 6, "key2", "c").applyUnsafe();
p2 = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, "key2").build());
digest1 = MessageDigest.getInstance("MD5");
digest2 = MessageDigest.getInstance("MD5");
UnfilteredRowIterators.digest(p1.unfilteredIterator(), digest1, version);
UnfilteredRowIterators.digest(p2.unfilteredIterator(), digest2, version);
assertFalse(Arrays.equals(digest1.digest(), digest2.digest()));
}
finally
{
cfs.truncateBlocking();
}
}
@Test
public void testColumnStatsRecordsRowDeletesCorrectly()
{
long timestamp = System.currentTimeMillis();
int localDeletionTime = (int) (timestamp / 1000);
ColumnFamilyStore cfs = Keyspace.open(KEYSPACE1).getColumnFamilyStore(CF_TENCOL);
RowUpdateBuilder builder = new RowUpdateBuilder(cfs.metadata(), 5, "key1").clustering("c").add("val", "val1");
for (int i = 0; i < 10; i++)
builder.add("val" + i, "val" + i);
builder.build().applyUnsafe();
RowUpdateBuilder.deleteRowAt(cfs.metadata(), 10L, localDeletionTime, "key1", "c").applyUnsafe();
ImmutableBTreePartition partition = Util.getOnlyPartitionUnfiltered(Util.cmd(cfs, "key1").build());
EncodingStats stats = partition.stats();
assertEquals(localDeletionTime, stats.minLocalDeletionTime);
}
}