Examples with Mode org.h2.engine.Mode used on opensource projects

Example 16 with Mode

use of org.h2.engine.Mode in project h2database by h2database.

the class AggregateDataMedian method getValue.

@Override
Value getValue(Database database, int dataType, boolean distinct) {
    Value[] a = getArray();
    if (a == null) {
        return ValueNull.INSTANCE;
    }
    final CompareMode mode = database.getCompareMode();
    Arrays.sort(a, new Comparator<Value>() {

        @Override
        public int compare(Value o1, Value o2) {
            return o1.compareTo(o2, mode);
        }
    });
    int len = a.length;
    int idx = len / 2;
    Value v1 = a[idx];
    if ((len & 1) == 1) {
        return v1.convertTo(dataType);
    }
    return getMedian(a[idx - 1], v1, dataType, mode);
}

Example 17 with Mode

use of org.h2.engine.Mode in project h2database by h2database.

the class PageStore method addMeta.

private void addMeta(Row row, Session session, boolean redo) {
    int id = row.getValue(0).getInt();
    int type = row.getValue(1).getInt();
    int parent = row.getValue(2).getInt();
    int rootPageId = row.getValue(3).getInt();
    String[] options = StringUtils.arraySplit(row.getValue(4).getString(), ',', false);
    String columnList = row.getValue(5).getString();
    String[] columns = StringUtils.arraySplit(columnList, ',', false);
    Index meta;
    if (trace.isDebugEnabled()) {
        trace.debug("addMeta id=" + id + " type=" + type + " root=" + rootPageId + " parent=" + parent + " columns=" + columnList);
    }
    if (redo && rootPageId != 0) {
        // ensure the page is empty, but not used by regular data
        writePage(rootPageId, createData());
        allocatePage(rootPageId);
    }
    metaRootPageId.put(id, rootPageId);
    if (type == META_TYPE_DATA_INDEX) {
        CreateTableData data = new CreateTableData();
        if (SysProperties.CHECK) {
            if (columns == null) {
                throw DbException.throwInternalError(row.toString());
            }
        }
        for (int i = 0, len = columns.length; i < len; i++) {
            Column col = new Column("C" + i, Value.INT);
            data.columns.add(col);
        }
        data.schema = metaSchema;
        data.tableName = "T" + id;
        data.id = id;
        data.temporary = options[2].equals("temp");
        data.persistData = true;
        data.persistIndexes = true;
        data.create = false;
        data.session = session;
        RegularTable table = new RegularTable(data);
        boolean binaryUnsigned = SysProperties.SORT_BINARY_UNSIGNED;
        if (options.length > 3) {
            binaryUnsigned = Boolean.parseBoolean(options[3]);
        }
        CompareMode mode = CompareMode.getInstance(options[0], Integer.parseInt(options[1]), binaryUnsigned);
        table.setCompareMode(mode);
        meta = table.getScanIndex(session);
    } else {
        Index p = metaObjects.get(parent);
        if (p == null) {
            throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "Table not found:" + parent + " for " + row + " meta:" + metaObjects);
        }
        RegularTable table = (RegularTable) p.getTable();
        Column[] tableCols = table.getColumns();
        int len = columns.length;
        IndexColumn[] cols = new IndexColumn[len];
        for (int i = 0; i < len; i++) {
            String c = columns[i];
            IndexColumn ic = new IndexColumn();
            int idx = c.indexOf('/');
            if (idx >= 0) {
                String s = c.substring(idx + 1);
                ic.sortType = Integer.parseInt(s);
                c = c.substring(0, idx);
            }
            ic.column = tableCols[Integer.parseInt(c)];
            cols[i] = ic;
        }
        IndexType indexType;
        if (options[3].equals("d")) {
            indexType = IndexType.createPrimaryKey(true, false);
            Column[] tableColumns = table.getColumns();
            for (IndexColumn indexColumn : cols) {
                tableColumns[indexColumn.column.getColumnId()].setNullable(false);
            }
        } else {
            indexType = IndexType.createNonUnique(true);
        }
        meta = table.addIndex(session, "I" + id, id, cols, indexType, false, null);
    }
    PageIndex index;
    if (meta instanceof MultiVersionIndex) {
        index = (PageIndex) ((MultiVersionIndex) meta).getBaseIndex();
    } else {
        index = (PageIndex) meta;
    }
    metaObjects.put(id, index);
}

Example 18 with Mode

use of org.h2.engine.Mode in project h2database by h2database.

the class PageStore method addMeta.

/**
 * Add the meta data of an index.
 *
 * @param index the index to add
 * @param session the session
 */
public void addMeta(PageIndex index, Session session) {
    Table table = index.getTable();
    if (SysProperties.CHECK) {
        if (!table.isTemporary()) {
            // the Database lock before we take the PageStore lock
            synchronized (database) {
                synchronized (this) {
                    database.verifyMetaLocked(session);
                }
            }
        }
    }
    synchronized (this) {
        int type = index instanceof PageDataIndex ? META_TYPE_DATA_INDEX : META_TYPE_BTREE_INDEX;
        IndexColumn[] columns = index.getIndexColumns();
        StatementBuilder buff = new StatementBuilder();
        for (IndexColumn col : columns) {
            buff.appendExceptFirst(",");
            int id = col.column.getColumnId();
            buff.append(id);
            int sortType = col.sortType;
            if (sortType != 0) {
                buff.append('/');
                buff.append(sortType);
            }
        }
        String columnList = buff.toString();
        CompareMode mode = table.getCompareMode();
        String options = mode.getName() + "," + mode.getStrength() + ",";
        if (table.isTemporary()) {
            options += "temp";
        }
        options += ",";
        if (index instanceof PageDelegateIndex) {
            options += "d";
        }
        options += "," + mode.isBinaryUnsigned();
        Row row = metaTable.getTemplateRow();
        row.setValue(0, ValueInt.get(index.getId()));
        row.setValue(1, ValueInt.get(type));
        row.setValue(2, ValueInt.get(table.getId()));
        row.setValue(3, ValueInt.get(index.getRootPageId()));
        row.setValue(4, ValueString.get(options));
        row.setValue(5, ValueString.get(columnList));
        row.setKey(index.getId() + 1);
        metaIndex.add(session, row);
    }
}

Example 19 with Mode

use of org.h2.engine.Mode in project h2database by h2database.

the class PgServerThread method initDb.

private void initDb() throws SQLException {
    Statement stat = null;
    try {
        synchronized (server) {
            // better would be: set the database to exclusive mode
            boolean tableFound;
            try (ResultSet rs = conn.getMetaData().getTables(null, "PG_CATALOG", "PG_VERSION", null)) {
                tableFound = rs.next();
            }
            stat = conn.createStatement();
            if (!tableFound) {
                installPgCatalog(stat);
            }
            try (ResultSet rs = stat.executeQuery("select * from pg_catalog.pg_version")) {
                if (!rs.next() || rs.getInt(1) < 2) {
                    // installation incomplete, or old version
                    installPgCatalog(stat);
                } else {
                    // version 2 or newer: check the read version
                    int versionRead = rs.getInt(2);
                    if (versionRead > 2) {
                        throw DbException.throwInternalError("Incompatible PG_VERSION");
                    }
                }
            }
        }
        stat.execute("set search_path = PUBLIC, pg_catalog");
        HashSet<Integer> typeSet = server.getTypeSet();
        if (typeSet.isEmpty()) {
            try (ResultSet rs = stat.executeQuery("select oid from pg_catalog.pg_type")) {
                while (rs.next()) {
                    typeSet.add(rs.getInt(1));
                }
            }
        }
    } finally {
        JdbcUtils.closeSilently(stat);
    }
}

Example 20 with Mode

use of org.h2.engine.Mode in project h2database by h2database.

the class TestTools method testChangeFileEncryptionWithWrongPassword.

private void testChangeFileEncryptionWithWrongPassword() throws SQLException {
    if (config.mvStore) {
        // doesn't detect wrong passwords
        return;
    }
    org.h2.Driver.load();
    final String dir = getBaseDir();
    // TODO: this doesn't seem to work in MVSTORE mode yet
    String url = "jdbc:h2:" + dir + "/testChangeFileEncryption;CIPHER=AES";
    DeleteDbFiles.execute(dir, "testChangeFileEncryption", true);
    Connection conn = getConnection(url, "sa", "abc 123");
    Statement stat = conn.createStatement();
    stat.execute("CREATE TABLE TEST(ID INT PRIMARY KEY, DATA CLOB) " + "AS SELECT X, SPACE(3000) FROM SYSTEM_RANGE(1, 300)");
    conn.close();
    // try with wrong password, this used to have a bug where it kept the
    // file handle open
    new AssertThrows(SQLException.class) {

        @Override
        public void test() throws SQLException {
            ChangeFileEncryption.execute(dir, "testChangeFileEncryption", "AES", "wrong".toCharArray(), "def".toCharArray(), true);
        }
    };
    ChangeFileEncryption.execute(dir, "testChangeFileEncryption", "AES", "abc".toCharArray(), "def".toCharArray(), true);
    conn = getConnection(url, "sa", "def 123");
    stat = conn.createStatement();
    stat.execute("SELECT * FROM TEST");
    conn.close();
    String[] args = new String[] { "-dir", dir, "-db", "testChangeFileEncryption", "-quiet" };
    DeleteDbFiles.main(args);
}