Examples with Change org.h2.mvstore.db.TransactionStore.Change used on opensource projects

Example 11 with Change

use of org.h2.mvstore.db.TransactionStore.Change in project h2database by h2database.

the class TestView method testViewAlterAndCommandCache.

/**
 * Make sure that when we change a view, that change in reflected in other
 * sessions command cache.
 */
private void testViewAlterAndCommandCache() throws SQLException {
    deleteDb("view");
    Connection conn = getConnection("view");
    Statement stat = conn.createStatement();
    stat.execute("create table t0(id int primary key)");
    stat.execute("create table t1(id int primary key)");
    stat.execute("insert into t0 values(0)");
    stat.execute("insert into t1 values(1)");
    stat.execute("create view v1 as select * from t0");
    ResultSet rs = stat.executeQuery("select * from v1");
    assertTrue(rs.next());
    assertEquals(0, rs.getInt(1));
    stat.execute("create or replace view v1 as select * from t1");
    rs = stat.executeQuery("select * from v1");
    assertTrue(rs.next());
    assertEquals(1, rs.getInt(1));
    conn.close();
    deleteDb("view");
}

Example 12 with Change

use of org.h2.mvstore.db.TransactionStore.Change in project narayana by jbosstm.

the class PerformanceTestCommitMarkableResource method testCommitMarkableResource.

// @org.junit.Ignore
@Test
public void testCommitMarkableResource() throws Exception {
    System.out.println("testCommitMarkableResource: " + new Date());
    ConnectionPoolDataSource dataSource = null;
    DataSource recoveryDataSource = null;
    if (dbType.equals("oracle")) {
        // ORA-01795: maximum number of expressions in a list is 1000
        BeanPopulator.getDefaultInstance(JTAEnvironmentBean.class).setCommitMarkableResourceRecordDeleteBatchSize(1000);
        Class clazz = Class.forName("oracle.jdbc.pool.OracleConnectionPoolDataSource");
        dataSource = (ConnectionPoolDataSource) clazz.newInstance();
        clazz.getMethod("setDriverType", new Class[] { String.class }).invoke(dataSource, new Object[] { "thin" });
        clazz.getMethod("setServerName", new Class[] { String.class }).invoke(dataSource, new Object[] { "tywin.eng.hst.ams2.redhat.com" });
        clazz.getMethod("setNetworkProtocol", new Class[] { String.class }).invoke(dataSource, new Object[] { "tcp" });
        clazz.getMethod("setDatabaseName", new Class[] { String.class }).invoke(dataSource, new Object[] { "orcl" });
        clazz.getMethod("setUser", new Class[] { String.class }).invoke(dataSource, new Object[] { "dtf11" });
        clazz.getMethod("setPassword", new Class[] { String.class }).invoke(dataSource, new Object[] { "dtf11" });
        clazz.getMethod("setPortNumber", new Class[] { int.class }).invoke(dataSource, new Object[] { 1521 });
        recoveryDataSource = (DataSource) dataSource;
    } else if (dbType.equals("sybase")) {
        // wide table support?
        BeanPopulator.getDefaultInstance(JTAEnvironmentBean.class).setCommitMarkableResourceRecordDeleteBatchSize(2000);
        Class clazz = Class.forName("com.sybase.jdbc3.jdbc.SybConnectionPoolDataSource");
        dataSource = (ConnectionPoolDataSource) clazz.newInstance();
        clazz.getMethod("setServerName", new Class[] { String.class }).invoke(dataSource, new Object[] { "192.168.1.5" });
        clazz.getMethod("setDatabaseName", new Class[] { String.class }).invoke(dataSource, new Object[] { "LOCALHOST" });
        clazz.getMethod("setUser", new Class[] { String.class }).invoke(dataSource, new Object[] { "sa" });
        clazz.getMethod("setPassword", new Class[] { String.class }).invoke(dataSource, new Object[] { "sybase" });
        clazz.getMethod("setPortNumber", new Class[] { int.class }).invoke(dataSource, new Object[] { 5000 });
        Class clazz2 = Class.forName("com.sybase.jdbc3.jdbc.SybDataSource");
        recoveryDataSource = (DataSource) clazz2.newInstance();
        clazz2.getMethod("setServerName", new Class[] { String.class }).invoke(recoveryDataSource, new Object[] { "192.168.1.5" });
        clazz2.getMethod("setDatabaseName", new Class[] { String.class }).invoke(recoveryDataSource, new Object[] { "LOCALHOST" });
        clazz2.getMethod("setUser", new Class[] { String.class }).invoke(recoveryDataSource, new Object[] { "sa" });
        clazz2.getMethod("setPassword", new Class[] { String.class }).invoke(recoveryDataSource, new Object[] { "sybase" });
        clazz2.getMethod("setPortNumber", new Class[] { int.class }).invoke(recoveryDataSource, new Object[] { 5000 });
    } else if (dbType.equals("h2")) {
        // Smaller batch size as H2 uses a hashtable in the delete which is
        // inefficent for bytearray clause
        BeanPopulator.getDefaultInstance(JTAEnvironmentBean.class).setCommitMarkableResourceRecordDeleteBatchSize(100);
        dataSource = new JdbcDataSource();
        ((JdbcDataSource) dataSource).setURL("jdbc:h2:mem:JBTMDB;MVCC=TRUE;DB_CLOSE_DELAY=-1");
        recoveryDataSource = ((JdbcDataSource) dataSource);
    } else if (dbType.equals("postgres")) {
        dataSource = new PGConnectionPoolDataSource();
        ((PGConnectionPoolDataSource) dataSource).setPortNumber(5432);
        ((PGConnectionPoolDataSource) dataSource).setUser("dtf11");
        ((PGConnectionPoolDataSource) dataSource).setPassword("dtf11");
        ((PGConnectionPoolDataSource) dataSource).setServerName("tywin.eng.hst.ams2.redhat.com");
        ((PGConnectionPoolDataSource) dataSource).setDatabaseName("jbossts");
        recoveryDataSource = new PGSimpleDataSource();
        ((PGSimpleDataSource) recoveryDataSource).setPortNumber(5432);
        ((PGSimpleDataSource) recoveryDataSource).setUser("dtf11");
        ((PGSimpleDataSource) recoveryDataSource).setPassword("dtf11");
        ((PGSimpleDataSource) recoveryDataSource).setServerName("tywin.eng.hst.ams2.redhat.com");
        ((PGSimpleDataSource) recoveryDataSource).setDatabaseName("jbossts");
    } else if (dbType.equals("mysql")) {
        // com.mysql.jdbc.PacketTooBigException: Packet for query is too
        // large (1318148 > 1048576). You can change this value on the
        // server by setting the max_allowed_packet' variable
        BeanPopulator.getDefaultInstance(JTAEnvironmentBean.class).setCommitMarkableResourceRecordDeleteBatchSize(3500);
        dataSource = new MysqlConnectionPoolDataSource();
        // need paranoid as otherwise it sends a connection change user
        ((MysqlConnectionPoolDataSource) dataSource).setUrl("jdbc:mysql://tywin.eng.hst.ams2.redhat.com:3306/jbossts?user=dtf11&password=dtf11&paranoid=true");
        recoveryDataSource = (DataSource) dataSource;
    } else if (dbType.equals("db2")) {
        Class clazz = Class.forName("com.ibm.db2.jcc.DB2ConnectionPoolDataSource");
        dataSource = (ConnectionPoolDataSource) clazz.newInstance();
        clazz.getMethod("setServerName", new Class[] { String.class }).invoke(dataSource, new Object[] { "tywin.eng.hst.ams2.redhat.com" });
        clazz.getMethod("setDatabaseName", new Class[] { String.class }).invoke(dataSource, new Object[] { "BTDB1" });
        clazz.getMethod("setUser", new Class[] { String.class }).invoke(dataSource, new Object[] { "db2" });
        clazz.getMethod("setPassword", new Class[] { String.class }).invoke(dataSource, new Object[] { "db2" });
        clazz.getMethod("setDriverType", new Class[] { int.class }).invoke(dataSource, new Object[] { 4 });
        clazz.getMethod("setPortNumber", new Class[] { int.class }).invoke(dataSource, new Object[] { 50001 });
        Class clazz2 = Class.forName("com.ibm.db2.jcc.DB2DataSource");
        recoveryDataSource = (DataSource) clazz2.newInstance();
        clazz2.getMethod("setServerName", new Class[] { String.class }).invoke(recoveryDataSource, new Object[] { "tywin.eng.hst.ams2.redhat.com" });
        clazz2.getMethod("setDatabaseName", new Class[] { String.class }).invoke(recoveryDataSource, new Object[] { "BTDB1" });
        clazz2.getMethod("setUser", new Class[] { String.class }).invoke(recoveryDataSource, new Object[] { "db2" });
        clazz2.getMethod("setPassword", new Class[] { String.class }).invoke(recoveryDataSource, new Object[] { "db2" });
        clazz2.getMethod("setDriverType", new Class[] { int.class }).invoke(recoveryDataSource, new Object[] { 4 });
        clazz2.getMethod("setPortNumber", new Class[] { int.class }).invoke(recoveryDataSource, new Object[] { 50001 });
    } else if (dbType.equals("sqlserver")) {
        Class clazz = Class.forName("com.microsoft.sqlserver.jdbc.SQLServerConnectionPoolDataSource");
        dataSource = (ConnectionPoolDataSource) clazz.newInstance();
        clazz.getMethod("setServerName", new Class[] { String.class }).invoke(dataSource, new Object[] { "dev30.mw.lab.eng.bos.redhat.com" });
        clazz.getMethod("setDatabaseName", new Class[] { String.class }).invoke(dataSource, new Object[] { "dballo01" });
        clazz.getMethod("setUser", new Class[] { String.class }).invoke(dataSource, new Object[] { "dballo01" });
        clazz.getMethod("setPassword", new Class[] { String.class }).invoke(dataSource, new Object[] { "dballo01" });
        clazz.getMethod("setSendStringParametersAsUnicode", new Class[] { Boolean.class }).invoke(dataSource, new Object[] { false });
        clazz.getMethod("setPortNumber", new Class[] { int.class }).invoke(dataSource, new Object[] { 3918 });
        recoveryDataSource = (DataSource) dataSource;
    }
    PooledConnection pooledConnection = dataSource.getPooledConnection();
    Utils.createTables(pooledConnection.getConnection());
    doTest(new Handler(dataSource, recoveryDataSource), "_testCommitMarkableResource_" + dbType);
}

Example 13 with Change

use of org.h2.mvstore.db.TransactionStore.Change in project siena by mandubian.

the class FullText method setIgnoreList.

/**
     * Change the ignore list. The ignore list is a comma separated list of
     * common words that must not be indexed. The default ignore list is empty.
     * If indexes already exist at the time this list is changed, reindex must
     * be called.
     *
     * @param conn the connection
     * @param commaSeparatedList the list
     */
public static void setIgnoreList(Connection conn, String commaSeparatedList) throws SQLException {
    try {
        init(conn);
        FullTextSettings setting = FullTextSettings.getInstance(conn);
        setIgnoreList(setting, commaSeparatedList);
        Statement stat = conn.createStatement();
        stat.execute("TRUNCATE TABLE " + SCHEMA + ".IGNORELIST");
        PreparedStatement prep = conn.prepareStatement("INSERT INTO " + SCHEMA + ".IGNORELIST VALUES(?)");
        prep.setString(1, commaSeparatedList);
        prep.execute();
    } catch (DbException e) {
        throw DbException.toSQLException(e);
    }
}

Example 14 with Change

use of org.h2.mvstore.db.TransactionStore.Change in project frostwire by frostwire.

the class FullTextLucene2 method search.

/**
 * Do the search.
 *
 * @param conn the database connection
 * @param text the query
 * @param limit the limit
 * @param offset the offset
 * @param data whether the raw data should be returned
 * @return the result set
 */
protected static ResultSet search(Connection conn, String text, int limit, int offset, boolean data) throws SQLException {
    SimpleResultSet result = createResultSet(data);
    if (conn.getMetaData().getURL().startsWith("jdbc:columnlist:")) {
        // this is just to query the result set columns
        return result;
    }
    if (text == null || text.trim().length() == 0) {
        return result;
    }
    try {
        IndexAccess access = getIndexAccess(conn);
        /*## LUCENE2 ##
            access.modifier.flush();
            String path = getIndexPath(conn);
            IndexReader reader = IndexReader.open(path);
            Analyzer analyzer = new StandardAnalyzer();
            Searcher searcher = new IndexSearcher(reader);
            QueryParser parser = new QueryParser(LUCENE_FIELD_DATA, analyzer);
            Query query = parser.parse(text);
            Hits hits = searcher.search(query);
            int max = hits.length();
            if (limit == 0) {
                limit = max;
            }
            for (int i = 0; i < limit && i + offset < max; i++) {
                Document doc = hits.doc(i + offset);
                float score = hits.score(i + offset);
            //*/
        // ## LUCENE3 ##
        // take a reference as the searcher may change
        Searcher searcher = access.searcher;
        // reuse the same analyzer; it's thread-safe;
        // also allows subclasses to control the analyzer used.
        Analyzer analyzer = access.writer.getAnalyzer();
        QueryParser parser = new QueryParser(Version.LUCENE_30, LUCENE_FIELD_DATA, analyzer);
        Query query = parser.parse(text);
        // Lucene 3 insists on a hard limit and will not provide
        // a total hits value. Take at least 100 which is
        // an optimal limit for Lucene as any more
        // will trigger writing results to disk.
        int maxResults = (limit == 0 ? 100 : limit) + offset;
        TopDocs docs = searcher.search(query, maxResults);
        if (limit == 0) {
            limit = docs.totalHits;
        }
        for (int i = 0, len = docs.scoreDocs.length; i < limit && i + offset < docs.totalHits && i + offset < len; i++) {
            ScoreDoc sd = docs.scoreDocs[i + offset];
            Document doc = searcher.doc(sd.doc);
            float score = sd.score;
            // */
            String q = doc.get(LUCENE_FIELD_QUERY);
            if (data) {
                int idx = q.indexOf(" WHERE ");
                JdbcConnection c = (JdbcConnection) conn;
                Session session = (Session) c.getSession();
                Parser p = new Parser(session);
                String tab = q.substring(0, idx);
                ExpressionColumn expr = (ExpressionColumn) p.parseExpression(tab);
                String schemaName = expr.getOriginalTableAliasName();
                String tableName = expr.getColumnName();
                q = q.substring(idx + " WHERE ".length());
                Object[][] columnData = parseKey(conn, q);
                result.addRow(schemaName, tableName, columnData[0], columnData[1], score);
            } else {
                result.addRow(q, score);
            }
        }
    /*## LUCENE2 ##
            // TODO keep it open if possible
            reader.close();
            //*/
    } catch (Exception e) {
        throw convertException(e);
    }
    return result;
}

Example 15 with Change

use of org.h2.mvstore.db.TransactionStore.Change in project h2database by h2database.

the class Insert method insertRows.

private int insertRows() {
    session.getUser().checkRight(table, Right.INSERT);
    setCurrentRowNumber(0);
    table.fire(session, Trigger.INSERT, true);
    rowNumber = 0;
    GeneratedKeys generatedKeys = session.getGeneratedKeys();
    generatedKeys.initialize(table);
    int listSize = list.size();
    if (listSize > 0) {
        int columnLen = columns.length;
        for (int x = 0; x < listSize; x++) {
            session.startStatementWithinTransaction();
            generatedKeys.nextRow();
            Row newRow = table.getTemplateRow();
            Expression[] expr = list.get(x);
            setCurrentRowNumber(x + 1);
            for (int i = 0; i < columnLen; i++) {
                Column c = columns[i];
                int index = c.getColumnId();
                Expression e = expr[i];
                if (e != null) {
                    // e can be null (DEFAULT)
                    e = e.optimize(session);
                    try {
                        Value v = c.convert(e.getValue(session), session.getDatabase().getMode());
                        newRow.setValue(index, v);
                        if (e instanceof SequenceValue) {
                            generatedKeys.add(c);
                        }
                    } catch (DbException ex) {
                        throw setRow(ex, x, getSQL(expr));
                    }
                }
            }
            rowNumber++;
            table.validateConvertUpdateSequence(session, newRow);
            boolean done = table.fireBeforeRow(session, null, newRow);
            if (!done) {
                table.lock(session, true, false);
                try {
                    table.addRow(session, newRow);
                } catch (DbException de) {
                    if (handleOnDuplicate(de)) {
                        // MySQL returns 2 for updated row
                        // TODO: detect no-op change
                        rowNumber++;
                    } else {
                        // INSERT IGNORE case
                        rowNumber--;
                    }
                    continue;
                }
                generatedKeys.confirmRow(newRow);
                session.log(table, UndoLogRecord.INSERT, newRow);
                table.fireAfterRow(session, null, newRow, false);
            }
        }
    } else {
        table.lock(session, true, false);
        if (insertFromSelect) {
            query.query(0, this);
        } else {
            ResultInterface rows = query.query(0);
            while (rows.next()) {
                generatedKeys.nextRow();
                Value[] r = rows.currentRow();
                Row newRow = addRowImpl(r);
                if (newRow != null) {
                    generatedKeys.confirmRow(newRow);
                }
            }
            rows.close();
        }
    }
    table.fire(session, Trigger.INSERT, false);
    return rowNumber;
}