Package org.h2.engine

Examples of org.h2.engine.Session

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     */
    protected static Object[][] parseKey(Connection conn, String key) {
        ArrayList<String> columns = New.arrayList();
        ArrayList<String> data = New.arrayList();
        JdbcConnection c = (JdbcConnection) conn;
        Session session = (Session) c.getSession();
        Parser p = new Parser(session);
        Expression expr = p.parseExpression(key);
        addColumnData(columns, data, expr);
        Object[] col = new Object[columns.size()];
        columns.toArray(col);
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                //## LUCENE3 end ##
                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();
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     */
    protected static Object[][] parseKey(Connection conn, String key) {
        ArrayList<String> columns = New.arrayList();
        ArrayList<String> data = New.arrayList();
        JdbcConnection c = (JdbcConnection) conn;
        Session session = (Session) c.getSession();
        Parser p = new Parser(session);
        Expression expr = p.parseExpression(key);
        addColumnData(columns, data, expr);
        Object[] col = new Object[columns.size()];
        columns.toArray(col);
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     * @return a connection to this database
     */
    public static H2Database create(H2Database.CursorFactory factory) {
        ConnectionInfo ci = new ConnectionInfo("mem:");
        Database db = new Database(ci, null);
        Session s = db.getSystemSession();
        return new H2Database(s, factory);
    }
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        if ((flags & CREATE_IF_NECESSARY) == 0) {
            ci.setProperty("IFEXISTS", "TRUE");
        }
        ci.setProperty("FILE_LOCK", "FS");
        Database db = new Database(ci, null);
        Session s = db.getSystemSession();
        return new H2Database(s, factory);
    }
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        trace = database.getTrace(Trace.PAGE_STORE);
        // if (fileName.endsWith("X.h2.db"))
        // trace.setLevel(TraceSystem.DEBUG);
        String cacheType = database.getCacheType();
        this.cache = CacheLRU.getCache(this, cacheType, cacheSizeDefault);
        systemSession = new Session(database, null, 0);
    }
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            cache.clear();
            ArrayList<Table> tables = database.getAllTablesAndViews(false);
            recordedPagesList = New.arrayList();
            recordedPagesIndex = new IntIntHashMap();
            recordPageReads = true;
            Session s = database.getSystemSession();
            for (Table table : tables) {
                if (!table.isTemporary() && Table.TABLE.equals(table.getTableType())) {
                    Index scanIndex = table.getScanIndex(s);
                    Cursor cursor = scanIndex.find(s, null, null);
                    while (cursor.next()) {
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            if (logSizeLimit == 0 || newSize < logSizeLimit) {
                return;
            }
            int firstUncommittedSection = log.getLogSectionId();
            Session[] sessions = database.getSessions(true);
            Session oldestSession = null;
            for (Session s : sessions) {
                int firstUncommitted = s.getFirstUncommittedLog();
                if (firstUncommitted != Session.LOG_WRITTEN) {
                    if (firstUncommitted < firstUncommittedSection) {
                        firstUncommittedSection = firstUncommitted;
                        oldestSession = s;
                    }
                }
            }
            trace.info("Rolling back session #" +oldestSession.getId() + " (the oldest uncommitted)");
            oldestSession.rollback();
            logSizeBase = log.getSize();
        }
    }
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            if (isSelect()) {
                Query query = parseSelectUnion();
                read(")");
                query.setParameterList(New.arrayList(parameters));
                query.init();
                Session s;
                if (createView != null) {
                    s = database.getSystemSession();
                } else {
                    s = session;
                }
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            columns[j].setSelectivity(selectivity);
        }
        if (manual) {
            db.update(session, table);
        } else {
            Session s = db.getSystemSession();
            if (s != session) {
                // if the current session is the system session
                // (which is the case if we are within a trigger)
                // then we can't update the statistics because
                // that would unlock all locked objects
                db.update(s, table);
                s.commit(true);
            }
        }
    }
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