Package org.h2.util

Examples of org.h2.util.IntArray

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     */
    void freeReserved() {
        if (reservedPages.size() > 0) {
            int[] array = new int[reservedPages.size()];
            reservedPages.toArray(array);
            reservedPages = new IntArray();
            reserved = 0;
            for (int p : array) {
                store.free(p, false);
            }
        }
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            logKey = t.getLogKey();
            if (t.contains(firstDataPageToKeep)) {
                return t.getPos();
            }
            trunkPage = t.getNextTrunk();
            IntArray list = new IntArray();
            list.add(t.getPos());
            for (int i = 0;; i++) {
                int next = t.getPageData(i);
                if (next == -1) {
                    break;
                }
                list.add(next);
            }
            freeLogPages(list);
            pageOut.free(t);
        }
    }
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            logKey = t.getLogKey();
            if (t.contains(firstDataPageToKeep)) {
                return t.getPos();
            }
            trunkPage = t.getNextTrunk();
            IntArray list = new IntArray();
            list.add(t.getPos());
            for (int i = 0;; i++) {
                int next = t.getPageData(i);
                if (next == -1) {
                    break;
                }
                list.add(next);
            }
            freeLogPages(list);
            pageOut.free(t);
        }
    }
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     */
    void freeReserved() {
        if (reservedPages.size() > 0) {
            int[] array = new int[reservedPages.size()];
            reservedPages.toArray(array);
            reservedPages = new IntArray();
            reserved = 0;
            for (int p : array) {
                store.free(p);
            }
        }
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    public double getCost(Session session, int[] masks) {
        if (recursive) {
            return 1000;
        }
        IntArray masksArray = new IntArray(masks == null ? Utils.EMPTY_INT_ARRAY : masks);
        CostElement cachedCost = costCache.get(masksArray);
        if (cachedCost != null) {
            long time = System.currentTimeMillis();
            if (time < cachedCost.evaluatedAt + Constants.VIEW_COST_CACHE_MAX_AGE) {
                return cachedCost.cost;
            }
        }
        Query q = (Query) session.prepare(querySQL, true);
        if (masks != null) {
            IntArray paramIndex = new IntArray();
            for (int i = 0; i < masks.length; i++) {
                int mask = masks[i];
                if (mask == 0) {
                    continue;
                }
                paramIndex.add(i);
            }
            int len = paramIndex.size();
            for (int i = 0; i < len; i++) {
                int idx = paramIndex.get(i);
                int mask = masks[idx];
                int nextParamIndex = q.getParameters().size() + view.getParameterOffset();
                if ((mask & IndexCondition.EQUALITY) != 0) {
                    Parameter param = new Parameter(nextParamIndex);
                    q.addGlobalCondition(param, idx, Comparison.EQUAL_NULL_SAFE);
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        if (masks == null) {
            return q;
        }
        int firstIndexParam = originalParameters == null ? 0 : originalParameters.size();
        firstIndexParam += view.getParameterOffset();
        IntArray paramIndex = new IntArray();
        for (int i = 0; i < masks.length; i++) {
            int mask = masks[i];
            if (mask == 0) {
                continue;
            }
            paramIndex.add(i);
            if ((mask & IndexCondition.RANGE) == IndexCondition.RANGE) {
                // two parameters for range queries: >= x AND <= y
                paramIndex.add(i);
            }
        }
        int len = paramIndex.size();
        columns = new Column[len];
        for (int i = 0; i < len;) {
            int idx = paramIndex.get(i);
            Column col = table.getColumn(idx);
            columns[i] = col;
            int mask = masks[idx];
            if ((mask & IndexCondition.EQUALITY) == IndexCondition.EQUALITY) {
                Parameter param = new Parameter(firstIndexParam + i);
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    }

    public PlanItem getBestPlanItem(Session session, int[] masks) {
        PlanItem item = new PlanItem();
        item.cost = index.getCost(session, masks);
        IntArray masksArray = new IntArray(masks == null ? Utils.EMPTY_INT_ARRAY : masks);
        ViewIndex i2 = indexCache.get(masksArray);
        if (i2 == null || i2.getSession() != session) {
            i2 = new ViewIndex(this, index, session, masks);
            indexCache.put(masksArray, i2);
        }
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            } else if ("timer".equals(args[0])) {
                new TestTimer().runTest(test);
            }
        } else {
            test.runTests();
            Profiler prof = new Profiler();
            prof.depth = 4;
            prof.interval = 1;
            prof.startCollecting();
            TestPerformance.main("-init", "-db", "1");
            prof.stopCollecting();
            System.out.println(prof.getTop(3));
//            Recover.execute("data", null);
//            RunScript.execute("jdbc:h2:data/test2",
//                 "sa1", "sa1", "data/test.h2.sql", null, false);
//            Recover.execute("data", null);
        }
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        deleteDb("scriptSimple");
        reconnect();
        String inFile = "org/h2/test/testSimple.in.txt";
        InputStream is = getClass().getClassLoader().getResourceAsStream(inFile);
        LineNumberReader lineReader = new LineNumberReader(new InputStreamReader(is, "Cp1252"));
        ScriptReader reader = new ScriptReader(lineReader);
        while (true) {
            String sql = reader.readStatement();
            if (sql == null) {
                break;
            }
            sql = sql.trim();
            try {
                if ("@reconnect".equals(sql.toLowerCase())) {
                    reconnect();
                } else if (sql.length() == 0) {
                    // ignore
                } else if (sql.toLowerCase().startsWith("select")) {
                    ResultSet rs = conn.createStatement().executeQuery(sql);
                    while (rs.next()) {
                        String expected = reader.readStatement().trim();
                        String got = "> " + rs.getString(1);
                        assertEquals(sql, expected, got);
                    }
                } else {
                    conn.createStatement().execute(sql);
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        // but for Ubuntu, the default ulimit is 1024,
        // which breaks the test
        int len = getSize(10, 50);
        Task[] tasks = new Task[len];
        for (int i = 0; i < len; i++) {
            tasks[i] = new Task() {
                public void call() throws SQLException {
                    Connection c = DriverManager.getConnection(url, user, password);
                    PreparedStatement prep = c.prepareStatement("insert into employee values(?, ?, 0)");
                    int id = getNextId();
                    prep.setInt(1, id);
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