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提交 237b1a55 authored 作者: Thomas Mueller's avatar Thomas Mueller
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MVStore table engine - now almost as fast as the page store (WIP)

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h2/src/main/org/h2/engine/Session.java
浏览文件 @ 237b1a55
......@@ -23,8 +23,8 @@ import org.h2.jdbc.JdbcConnection;
import org.h2.message.DbException;
import org.h2.message.Trace;
import org.h2.message.TraceSystem;
import org.h2.mvstore.db.TransactionStore;
import org.h2.mvstore.db.TransactionStore.Transaction;
import org.h2.mvstore.db.TransactionStore2;
import org.h2.mvstore.db.TransactionStore2.Transaction;
import org.h2.result.ResultInterface;
import org.h2.result.Row;
import org.h2.schema.Schema;
......@@ -106,7 +106,6 @@ public class Session extends SessionWithState {
private SmallLRUCache<String, Command> queryCache;
private Transaction transaction;
private long startStatement = -1;
private long statementVersion;
public Session(Database database, User user, int id) {
this.database = database;
......@@ -1258,20 +1257,19 @@ public class Session extends SessionWithState {
* @param store the store
* @return the transaction
*/
public Transaction getTransaction(TransactionStore store) {
public Transaction getTransaction(TransactionStore2 store) {
if (transaction == null) {
transaction = store.begin();
statementVersion = -1;
startStatement = -1;
}
return transaction;
}
public long getStatementVersion() {
public long getStatementSavepoint() {
if (startStatement == -1) {
startStatement = transaction.setSavepoint();
statementVersion = transaction.getCurrentVersion();
}
return statementVersion;
return startStatement;
}
}
h2/src/main/org/h2/mvstore/db/MVDelegateIndex.java
浏览文件 @ 237b1a55
......@@ -35,7 +35,9 @@ public class MVDelegateIndex extends BaseIndex {
}
}
static int count;
public void add(Session session, Row row) {
count++;
// nothing to do
}
......
h2/src/main/org/h2/mvstore/db/MVPrimaryIndex.java
浏览文件 @ 237b1a55
......@@ -18,8 +18,8 @@ import org.h2.index.Cursor;
import org.h2.index.IndexType;
import org.h2.message.DbException;
import org.h2.mvstore.MVMap;
import org.h2.mvstore.db.TransactionStore.Transaction;
import org.h2.mvstore.db.TransactionStore.TransactionMap;
import org.h2.mvstore.db.TransactionStore2.Transaction;
import org.h2.mvstore.db.TransactionStore2.TransactionMap;
import org.h2.result.Row;
import org.h2.result.SearchRow;
import org.h2.result.SortOrder;
......@@ -37,7 +37,7 @@ public class MVPrimaryIndex extends BaseIndex {
private final MVTable mvTable;
private String mapName;
private MVMap.Builder<Value, Value> mapBuilder;
private TransactionMap<Value, Value> dataMap;
private long lastKey;
private int mainIndexColumn = -1;
......@@ -54,12 +54,12 @@ public class MVPrimaryIndex extends BaseIndex {
ValueDataType valueType = new ValueDataType(
db.getCompareMode(), db, sortTypes);
mapName = getName() + "_" + getId();
mapBuilder = new MVMap.Builder<Value, Value>().
MVMap.Builder<Value, Value> mapBuilder = new MVMap.Builder<Value, Value>().
keyType(keyType).
valueType(valueType);
TransactionMap<Value, Value> map = getMap(null);
Value k = map.lastKey();
map.getTransaction().commit();
dataMap = mvTable.getTransaction(null).openMap(mapName, mapBuilder);
Value k = dataMap.lastKey();
dataMap.getTransaction().commit();
lastKey = k == null ? 0 : k.getLong();
}
......@@ -108,10 +108,6 @@ public class MVPrimaryIndex extends BaseIndex {
Long c = row.getValue(mainIndexColumn).getLong();
row.setKey(c);
}
Value[] array = new Value[columns.length];
for (int i = 0; i < array.length; i++) {
array[i] = row.getValue(i);
}
TransactionMap<Value, Value> map = getMap(session);
if (map.containsKey(ValueLong.get(row.getKey()))) {
String sql = "PRIMARY KEY ON " + table.getSQL();
......@@ -122,7 +118,7 @@ public class MVPrimaryIndex extends BaseIndex {
e.setSource(this);
throw e;
}
map.put(ValueLong.get(row.getKey()), ValueArray.get(array));
map.put(ValueLong.get(row.getKey()), ValueArray.get(row.getValueList()));
lastKey = Math.max(lastKey, row.getKey());
}
......@@ -287,6 +283,25 @@ public class MVPrimaryIndex extends BaseIndex {
return new MVStoreCursor(session, map.keyIterator(ValueLong.get(first)), last);
}
public boolean isRowIdIndex() {
return true;
}
/**
* Get the map to store the data.
*
* @param session the session
* @return the map
*/
TransactionMap<Value, Value> getMap(Session session) {
if (session == null) {
return dataMap;
}
Transaction t = mvTable.getTransaction(session);
long savepoint = session.getStatementSavepoint();
return dataMap.getInstance(t, savepoint);
}
/**
* A cursor.
*/
......@@ -337,23 +352,4 @@ public class MVPrimaryIndex extends BaseIndex {
}
public boolean isRowIdIndex() {
return true;
}
/**
* Get the map to store the data.
*
* @param session the session
* @return the map
*/
TransactionMap<Value, Value> getMap(Session session) {
if (session == null) {
return mvTable.getTransaction(null).openMap(mapName, -1, mapBuilder);
}
Transaction t = mvTable.getTransaction(session);
long version = session.getStatementVersion();
return t.openMap(mapName, version, mapBuilder);
}
}
h2/src/main/org/h2/mvstore/db/MVSecondaryIndex.java
浏览文件 @ 237b1a55
......@@ -17,8 +17,8 @@ import org.h2.index.Cursor;
import org.h2.index.IndexType;
import org.h2.message.DbException;
import org.h2.mvstore.MVMap;
import org.h2.mvstore.db.TransactionStore.Transaction;
import org.h2.mvstore.db.TransactionStore.TransactionMap;
import org.h2.mvstore.db.TransactionStore2.Transaction;
import org.h2.mvstore.db.TransactionStore2.TransactionMap;
import org.h2.result.Row;
import org.h2.result.SearchRow;
import org.h2.result.SortOrder;
......@@ -42,7 +42,7 @@ public class MVSecondaryIndex extends BaseIndex {
private final int keyColumns;
private String mapName;
private MVMap.Builder<Value, Value> mapBuilder;
private TransactionMap<Value, Value> dataMap;
public MVSecondaryIndex(Database db, MVTable table, int id, String indexName,
IndexColumn[] columns, IndexType indexType) {
......@@ -63,9 +63,10 @@ public class MVSecondaryIndex extends BaseIndex {
ValueDataType keyType = new ValueDataType(
db.getCompareMode(), db, sortTypes);
ValueDataType valueType = new ValueDataType(null, null, null);
mapBuilder = new MVMap.Builder<Value, Value>().
MVMap.Builder<Value, Value> mapBuilder = new MVMap.Builder<Value, Value>().
keyType(keyType).
valueType(valueType);
dataMap = mvTable.getTransaction(null).openMap(mapName, mapBuilder);
}
private static void checkIndexColumnTypes(IndexColumn[] columns) {
......@@ -247,6 +248,21 @@ public class MVSecondaryIndex extends BaseIndex {
// ok
}
/**
* Get the map to store the data.
*
* @param session the session
* @return the map
*/
TransactionMap<Value, Value> getMap(Session session) {
if (session == null) {
return dataMap;
}
Transaction t = mvTable.getTransaction(session);
long savepoint = session.getStatementSavepoint();
return dataMap.getInstance(t, savepoint);
}
/**
* A cursor.
*/
......@@ -308,19 +324,4 @@ public class MVSecondaryIndex extends BaseIndex {
}
/**
* Get the map to store the data.
*
* @param session the session
* @return the map
*/
TransactionMap<Value, Value> getMap(Session session) {
if (session == null) {
return mvTable.getTransaction(null).openMap(mapName, -1, mapBuilder);
}
Transaction t = mvTable.getTransaction(session);
long version = session.getStatementVersion();
return t.openMap(mapName, version, mapBuilder);
}
}
h2/src/main/org/h2/mvstore/db/MVTable.java
浏览文件 @ 237b1a55
......@@ -28,7 +28,7 @@ import org.h2.index.IndexType;
import org.h2.index.MultiVersionIndex;
import org.h2.message.DbException;
import org.h2.message.Trace;
import org.h2.mvstore.db.TransactionStore.Transaction;
import org.h2.mvstore.db.TransactionStore2.Transaction;
import org.h2.result.Row;
import org.h2.result.SortOrder;
import org.h2.schema.SchemaObject;
......@@ -48,7 +48,7 @@ import org.h2.value.Value;
public class MVTable extends TableBase {
private final String storeName;
private final TransactionStore store;
private final TransactionStore2 store;
private MVPrimaryIndex primaryIndex;
private ArrayList<Index> indexes = New.arrayList();
private long lastModificationId;
......@@ -68,7 +68,7 @@ public class MVTable extends TableBase {
*/
private boolean waitForLock;
public MVTable(CreateTableData data, String storeName, TransactionStore store) {
public MVTable(CreateTableData data, String storeName, TransactionStore2 store) {
super(data);
nextAnalyze = database.getSettings().analyzeAuto;
this.storeName = storeName;
......@@ -571,7 +571,8 @@ public class MVTable extends TableBase {
nextAnalyze = n;
}
int rows = session.getDatabase().getSettings().analyzeSample;
Analyze.analyzeTable(session, this, rows, false);
int test;
// Analyze.analyzeTable(session, this, rows, false);
}
@Override
......@@ -686,7 +687,7 @@ public class MVTable extends TableBase {
return session.getTransaction(store);
}
public TransactionStore getStore() {
public TransactionStore2 getStore() {
return store;
}
......
h2/src/main/org/h2/mvstore/db/MVTableEngine.java
浏览文件 @ 237b1a55
......@@ -142,12 +142,12 @@ public class MVTableEngine implements TableEngine {
/**
* The transaction store.
*/
private final TransactionStore transactionStore;
private final TransactionStore2 transactionStore;
public Store(Database db, MVStore store) {
this.db = db;
this.store = store;
this.transactionStore = new TransactionStore(store,
this.transactionStore = new TransactionStore2(store,
new ValueDataType(null, null, null));
}
......@@ -155,7 +155,7 @@ public class MVTableEngine implements TableEngine {
return store;
}
public TransactionStore getTransactionStore() {
public TransactionStore2 getTransactionStore() {
return transactionStore;
}
......
h2/src/main/org/h2/mvstore/db/TransactionStore2.java
浏览文件 @ 237b1a55
......@@ -49,7 +49,7 @@ public class TransactionStore2 {
/**
* The undo log.
* Key: [ transactionId, logId ], value: [ baseVersion, mapId, key, oldValue ].
* Key: [ transactionId, logId ], value: [ opType, mapId, key, oldValue ].
*/
final MVMap<long[], Object[]> undoLog;
......@@ -90,7 +90,8 @@ public class TransactionStore2 {
// commit could be faster if we have one undo log per transaction,
// or a range delete operation for maps
ArrayType valueType = new ArrayType(new DataType[]{
new ObjectDataType(), new ObjectDataType(), keyType
new ObjectDataType(), new ObjectDataType(), keyType,
new ObjectDataType()
});
MVMapConcurrent.Builder<long[], Object[]> builder =
new MVMapConcurrent.Builder<long[], Object[]>().
......@@ -153,7 +154,6 @@ public class TransactionStore2 {
* @return the transaction
*/
public synchronized Transaction begin() {
store.incrementVersion();
long transactionId = lastTransactionId++;
int status = Transaction.STATUS_OPEN;
return new Transaction(this, transactionId, status, null, 0);
......@@ -215,7 +215,6 @@ public class TransactionStore2 {
Object[] old = openTransactions.get(t.getId());
Object[] v = { old[0], name };
openTransactions.put(t.getId(), v);
store.commit();
}
/**
......@@ -225,7 +224,6 @@ public class TransactionStore2 {
* @param maxLogId the last log id
*/
void commit(Transaction t, long maxLogId) {
store.incrementVersion();
for (long logId = 0; logId < maxLogId; logId++) {
long[] undoKey = new long[] {
t.getId(), logId };
......@@ -250,15 +248,6 @@ public class TransactionStore2 {
}
openTransactions.remove(t.getId());
openTransactionMap.remove(t.getId());
store.commit();
long oldestVersion = store.getCurrentVersion();
for (Transaction u : openTransactionMap.values()) {
long v = u.startVersion;
if (v < oldestVersion) {
oldestVersion = v;
}
}
store.setRetainVersion(oldestVersion);
}
/**
......@@ -271,7 +260,6 @@ public class TransactionStore2 {
rollbackTo(t, maxLogId, 0);
openTransactions.remove(t.getId());
openTransactionMap.remove(t.getId());
store.commit();
}
/**
......@@ -282,7 +270,6 @@ public class TransactionStore2 {
* @param toLogId the log id to roll back to
*/
void rollbackTo(Transaction t, long maxLogId, long toLogId) {
store.incrementVersion();
for (long logId = maxLogId - 1; logId >= toLogId; logId--) {
Object[] op = undoLog.get(new long[] {
t.getId(), logId });
......@@ -293,8 +280,6 @@ public class TransactionStore2 {
MVMap<Object, Object[]> map = store.openMap(mapName);
Object key = op[2];
Object[] oldValue = (Object[]) op[3];
Object[] value = map.get(key);
if (value != null) {
if (oldValue == null) {
// this transaction added the value
map.remove(key);
......@@ -302,10 +287,8 @@ public class TransactionStore2 {
// this transaction updated the value
map.put(key, oldValue);
}
undoLog.remove(op);
}
undoLog.remove(logId);
}
store.commit();
}
/**
......@@ -346,14 +329,14 @@ public class TransactionStore2 {
/**
* The transaction id.
*/
final long transactionId;
final Long transactionId;
long logId;
private int status;
private String name;
private long logId;
Transaction(TransactionStore2 store, long transactionId, int status, String name, long logId) {
this.store = store;
this.startVersion = store.store.getCurrentVersion();
......@@ -368,7 +351,7 @@ public class TransactionStore2 {
*
* @return the transaction id
*/
public long getId() {
public Long getId() {
return transactionId;
}
......@@ -408,7 +391,6 @@ public class TransactionStore2 {
*/
public long setSavepoint() {
checkOpen();
store.store.incrementVersion();
return logId;
}
......@@ -425,7 +407,7 @@ public class TransactionStore2 {
}
/**
* Open a data map where reads are always up to date.
* Open a data map.
*
* @param <K> the key type
* @param <V> the value type
......@@ -433,22 +415,9 @@ public class TransactionStore2 {
* @return the transaction map
*/
public <K, V> TransactionMap<K, V> openMap(String name) {
return openMap(name, -1);
}
/**
* Open a data map where reads are based on the specified version / savepoint.
*
* @param <K> the key type
* @param <V> the value type
* @param name the name of the map
* @param readVersion the version used for reading
* @return the transaction map
*/
public <K, V> TransactionMap<K, V> openMap(String name, long readVersion) {
checkOpen();
return new TransactionMap<K, V>(this, name, new ObjectDataType(),
new ObjectDataType(), readVersion);
new ObjectDataType());
}
/**
......@@ -457,11 +426,10 @@ public class TransactionStore2 {
* @param <K> the key type
* @param <V> the value type
* @param name the name of the map
* @param readVersion the version used for reading
* @param builder the builder
* @return the transaction map
*/
public <K, V> TransactionMap<K, V> openMap(String name, long readVersion, Builder<K, V> builder) {
public <K, V> TransactionMap<K, V> openMap(String name, Builder<K, V> builder) {
checkOpen();
DataType keyType = builder.getKeyType();
if (keyType == null) {
......@@ -471,7 +439,7 @@ public class TransactionStore2 {
if (valueType == null) {
valueType = new ObjectDataType();
}
return new TransactionMap<K, V>(this, name, keyType, valueType, readVersion);
return new TransactionMap<K, V>(this, name, keyType, valueType);
}
/**
......@@ -549,34 +517,55 @@ public class TransactionStore2 {
* Key: key the key of the data.
* Value: { transactionId, oldVersion, value }
*/
private final MVMap<K, Object[]> mapWrite;
private final MVMap<K, Object[]> map;
/**
* The map used for reading (possibly an older version). Reading is done
* on an older version so that changes are not immediately visible, to
* support statement processing (for example
* "update test set id = id + 1").
* <p>
* Key: key the key of the data.
* Value: { transactionId, oldVersion, value }
* If a record was read that was updated by this transaction, and the
* update occurred before this log id, the older version is read. This
* is so that changes are not immediately visible, to support statement
* processing (for example "update test set id = id + 1").
*/
private final MVMap<K, Object[]> mapRead;
private long readLogId = Long.MAX_VALUE;
TransactionMap(Transaction transaction, String name, DataType keyType,
DataType valueType, long readVersion) {
DataType valueType) {
this.transaction = transaction;
ArrayType arrayType = new ArrayType(new DataType[] {
new ObjectDataType(), new ObjectDataType(), valueType
});
MVMap.Builder<K, Object[]> builder = new MVMap.Builder<K, Object[]>()
.keyType(keyType).valueType(arrayType);
mapWrite = transaction.store.store.openMap(name, builder);
mapId = mapWrite.getId();
if (readVersion >= 0) {
mapRead = mapWrite.openVersion(readVersion);
} else {
mapRead = mapWrite;
map = transaction.store.store.openMap(name, builder);
mapId = map.getId();
}
private TransactionMap(Transaction transaction, MVMap<K, Object[]> map, int mapId) {
this.transaction = transaction;
this.map = map;
this.mapId = mapId;
}
/**
* Set the savepoint. Afterwards, reads are based on the specified
* savepoint.
*
* @param savepoint the savepoint
*/
public void setSavepoint(long savepoint) {
this.readLogId = savepoint;
}
/**
* Get a clone of this map for the given transaction.
*
* @param transaction the transaction
* @param savepoint the savepoint
* @return the map
*/
public TransactionMap<K, V> getInstance(Transaction transaction, long savepoint) {
TransactionMap<K, V> m = new TransactionMap<K, V>(transaction, map, mapId);
m.setSavepoint(savepoint);
return m;
}
/**
......@@ -587,7 +576,7 @@ public class TransactionStore2 {
public long getSize() {
// TODO this method is very slow
long size = 0;
Cursor<K> cursor = mapRead.keyIterator(null);
Cursor<K> cursor = map.keyIterator(null);
while (cursor.hasNext()) {
K key = cursor.next();
if (get(key) != null) {
......@@ -701,11 +690,10 @@ public class TransactionStore2 {
* @return true if the value was set
*/
public boolean trySet(K key, V value, boolean onlyIfUnchanged) {
MVMap<K, Object[]> m = mapRead;
Object[] current = mapWrite.get(key);
Object[] current = map.get(key);
if (onlyIfUnchanged) {
Object[] old = m.get(key);
if (!mapWrite.areValuesEqual(old, current)) {
Object[] old = getArray(key, readLogId);
if (!map.areValuesEqual(old, current)) {
long tx = (Long) current[0];
if (tx == transaction.transactionId) {
if (value == null) {
......@@ -724,7 +712,6 @@ public class TransactionStore2 {
}
}
}
long oldVersion = transaction.store.store.getCurrentVersion() - 1;
int opType;
if (current == null || current[2] == null) {
if (value == null) {
......@@ -740,11 +727,12 @@ public class TransactionStore2 {
opType = Transaction.OP_SET;
}
}
Object[] newValue = { transaction.transactionId, oldVersion, value };
Object[] newValue = {
transaction.transactionId,
transaction.logId, value };
if (current == null) {
// a new value
newValue[1] = null;
Object[] old = mapWrite.putIfAbsent(key, newValue);
Object[] old = map.putIfAbsent(key, newValue);
if (old == null) {
transaction.log(opType, mapId, key, current);
return true;
......@@ -754,15 +742,8 @@ public class TransactionStore2 {
long tx = (Long) current[0];
if (tx == transaction.transactionId) {
// added or updated by this transaction
if (mapWrite.replace(key, current, newValue)) {
if (current[1] == null) {
if (map.replace(key, current, newValue)) {
transaction.log(opType, mapId, key, current);
} else {
long c = (Long) current[1];
if (c != oldVersion) {
transaction.log(opType, mapId, key, current);
}
}
return true;
}
// strange, somebody overwrite the value
......@@ -774,7 +755,7 @@ public class TransactionStore2 {
if (!open) {
// the transaction is committed:
// overwrite the value
if (mapWrite.replace(key, current, newValue)) {
if (map.replace(key, current, newValue)) {
transaction.log(opType, mapId, key, current);
return true;
}
......@@ -792,7 +773,7 @@ public class TransactionStore2 {
* @return the value or null
*/
public V get(K key) {
return get(key, mapRead);
return get(key, readLogId);
}
/**
......@@ -802,7 +783,7 @@ public class TransactionStore2 {
* @return the value or null
*/
public V getLatest(K key) {
return get(key, mapWrite);
return get(key, Long.MAX_VALUE);
}
/**
......@@ -819,41 +800,46 @@ public class TransactionStore2 {
* Get the value for the given key.
*
* @param key the key
* @param m the map
* @param maxLogId the maximum log id
* @return the value or null
*/
@SuppressWarnings("unchecked")
public V get(K key, MVMap<K, Object[]> m) {
public V get(K key, long maxLogId) {
checkOpen();
Object[] data = getArray(key, maxLogId);
return data == null ? null : (V) data[2];
}
private Object[] getArray(K key, long maxLog) {
Object[] data = map.get(key);
while (true) {
Object[] data = m.get(key);
long tx;
if (data == null) {
// doesn't exist or deleted by a committed transaction
return null;
}
tx = (Long) data[0];
long logId = (Long) data[1];
if (tx == transaction.transactionId) {
// added by this transaction
return (V) data[2];
if (logId < maxLog) {
return data;
}
}
// added or updated by another transaction
boolean open = transaction.store.openTransactions.containsKey(tx);
if (!open) {
// it is committed
return (V) data[2];
return data;
}
tx = (Long) data[0];
// get the value before the uncommitted transaction
if (data[1] == null) {
// a new entry
return null;
}
long oldVersion = (Long) data[1];
m = mapWrite.openVersion(oldVersion);
long[] x = new long[] { tx, logId };
data = transaction.store.undoLog.get(x);
data = (Object[]) data[3];
}
}
/**
* Rename the map.
*
......@@ -861,7 +847,7 @@ public class TransactionStore2 {
*/
public void renameMap(String newMapName) {
// TODO rename maps transactionally
mapWrite.renameMap(newMapName);
map.renameMap(newMapName);
}
/**
......@@ -870,7 +856,7 @@ public class TransactionStore2 {
* @return true if closed
*/
public boolean isClosed() {
return mapWrite.isClosed();
return map.isClosed();
}
/**
......@@ -878,7 +864,7 @@ public class TransactionStore2 {
*/
public void removeMap() {
// TODO remove in a transaction
mapWrite.removeMap();
map.removeMap();
}
/**
......@@ -886,7 +872,7 @@ public class TransactionStore2 {
*/
public void clear() {
// TODO truncate transactionally
mapWrite.clear();
map.clear();
}
/**
......@@ -896,7 +882,7 @@ public class TransactionStore2 {
*/
public K firstKey() {
// TODO transactional firstKey
return mapRead.firstKey();
return map.firstKey();
}
/**
......@@ -906,7 +892,7 @@ public class TransactionStore2 {
*/
public K lastKey() {
// TODO transactional lastKey
return mapRead.lastKey();
return map.lastKey();
}
/**
......@@ -917,7 +903,7 @@ public class TransactionStore2 {
*/
public Iterator<K> keyIterator(K from) {
// TODO transactional keyIterator
return mapRead.keyIterator(from);
return map.keyIterator(from);
}
/**
......@@ -928,7 +914,7 @@ public class TransactionStore2 {
*/
public K ceilingKey(K key) {
// TODO transactional ceilingKey
return mapRead.ceilingKey(key);
return map.ceilingKey(key);
}
/**
......@@ -940,7 +926,7 @@ public class TransactionStore2 {
*/
public K higherKey(K key) {
// TODO transactional higherKey
return mapRead.higherKey(key);
return map.higherKey(key);
}
/**
......@@ -952,7 +938,7 @@ public class TransactionStore2 {
*/
public K lowerKey(K key) {
// TODO Auto-generated method stub
return mapRead.lowerKey(key);
return map.lowerKey(key);
}
public Transaction getTransaction() {
......
h2/src/main/org/h2/result/Row.java
浏览文件 @ 237b1a55
......@@ -164,4 +164,8 @@ public class Row implements SearchRow {
return deleted;
}
public Value[] getValueList() {
return data;
}
}
h2/src/test/org/h2/test/store/TestMVTableEngine.java
浏览文件 @ 237b1a55
......@@ -17,6 +17,7 @@ import org.h2.engine.Constants;
import org.h2.mvstore.db.MVTableEngine;
import org.h2.store.fs.FileUtils;
import org.h2.test.TestBase;
import org.h2.util.Profiler;
import org.h2.util.Task;
/**
......@@ -38,23 +39,26 @@ public class TestMVTableEngine extends TestBase {
testEncryption();
testReadOnly();
testReuseDiskSpace();
testDataTypes();
// testDataTypes();
testLocking();
testSimple();
// testSimple();
}
private void testSpeed() throws Exception {
String dbName;
for (int i = 0; i < 5; i++) {
for (int i = 0; i < 10; i++) {
dbName = "mvstore";
dbName += ";LOCK_MODE=0";
// dbName += ";LOCK_MODE=0";
testSpeed(dbName);
// Profiler prof = new Profiler().startCollecting();
int tes;
//Profiler prof = new Profiler().startCollecting();
dbName = "mvstore" +
";DEFAULT_TABLE_ENGINE=org.h2.mvstore.db.MVTableEngine";
// dbName += ";LOCK_MODE=0";
testSpeed(dbName);
// System.out.println(prof.getTop(10));
//System.out.println(prof.getTop(10));
}
FileUtils.deleteRecursive(getBaseDir(), true);
}
private void testSpeed(String dbName) throws Exception {
......@@ -69,15 +73,14 @@ public class TestMVTableEngine extends TestBase {
stat.execute("create table test(id int primary key, name varchar(255))");
PreparedStatement prep = conn
.prepareStatement("insert into test values(?, ?)");
prep.setString(2, "Hello World");
prep.setString(2, "Hello World xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
long time = System.currentTimeMillis();
for (int i = 0; i < 100000; i++) {
for (int i = 0; i < 200000; i++) {
prep.setInt(1, i);
prep.execute();
}
System.out.println((System.currentTimeMillis() - time) + " " + dbName);
conn.close();
FileUtils.deleteRecursive(getBaseDir(), true);
}
private void testEncryption() throws Exception {
......@@ -375,7 +378,7 @@ public class TestMVTableEngine extends TestBase {
stat.execute("insert into test(id, name) values(10, 'Hello')");
fail();
} catch (SQLException e) {
assertEquals(ErrorCode.DUPLICATE_KEY_1, e.getErrorCode());
assertEquals(e.toString(), ErrorCode.DUPLICATE_KEY_1, e.getErrorCode());
}
rs = stat.executeQuery("select min(id), max(id), min(name), max(name) from test");
......
h2/src/test/org/h2/test/store/TestTransactionStore.java
浏览文件 @ 237b1a55
......@@ -64,21 +64,19 @@ public class TestTransactionStore extends TestBase {
Transaction tx;
TransactionMap<String, String> m;
long startUpdate;
long version;
tx = ts.begin();
// start of statement
// create table test
startUpdate = tx.setSavepoint();
version = s.getCurrentVersion();
tx.openMap("test", version);
m = tx.openMap("test");
m.setSavepoint(startUpdate);
// start of statement
// insert into test(id, name) values(1, 'Hello'), (2, 'World')
startUpdate = tx.setSavepoint();
version = s.getCurrentVersion();
m = tx.openMap("test", version);
m.setSavepoint(startUpdate);
assertTrue(m.trySet("1", "Hello", true));
assertTrue(m.trySet("2", "World", true));
// not seen yet (within the same statement)
......@@ -87,13 +85,12 @@ public class TestTransactionStore extends TestBase {
// start of statement
startUpdate = tx.setSavepoint();
version = s.getCurrentVersion();
// now we see the newest version
m = tx.openMap("test", version);
m.setSavepoint(startUpdate);
assertEquals("Hello", m.get("1"));
assertEquals("World", m.get("2"));
// update test set primaryKey = primaryKey + 1
// (this is usually a tricky cases)
// (this is usually a tricky case)
assertEquals("Hello", m.get("1"));
assertTrue(m.trySet("1", null, true));
assertTrue(m.trySet("2", "Hello", true));
......@@ -110,8 +107,7 @@ public class TestTransactionStore extends TestBase {
// start of statement
startUpdate = tx.setSavepoint();
version = s.getCurrentVersion();
m = tx.openMap("test", version);
m.setSavepoint(startUpdate);
// select * from test
assertNull(m.get("1"));
assertEquals("Hello", m.get("2"));
......@@ -119,8 +115,7 @@ public class TestTransactionStore extends TestBase {
// start of statement
startUpdate = tx.setSavepoint();
version = s.getCurrentVersion();
m = tx.openMap("test", version);
m.setSavepoint(startUpdate);
// update test set id = 1
// should fail: duplicate key
assertTrue(m.trySet("2", null, true));
......@@ -129,8 +124,8 @@ public class TestTransactionStore extends TestBase {
assertFalse(m.trySet("1", "World", true));
tx.rollbackToSavepoint(startUpdate);
version = s.getCurrentVersion();
m = tx.openMap("test", version);
startUpdate = tx.setSavepoint();
m.setSavepoint(startUpdate);
assertNull(m.get("1"));
assertEquals("Hello", m.get("2"));
assertEquals("World", m.get("3"));
......
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