Package org.h2.index

Examples of org.h2.index.Index


    public void addRow(Expression[] expr) {
        list.add(expr);
    }

    public int update() {
        Index index = null;
        if (sortedInsertMode) {
            index = table.getScanIndex(session);
            index.setSortedInsertMode(true);
        }
        try {
            return insertRows();
        } finally {
            if (index != null) {
                index.setSortedInsertMode(false);
            }
        }
    }
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            undoLog.add(log);
        } else {
            // see also UndoLogRecord.commit
            ArrayList<Index> indexes = table.getIndexes();
            for (int i = 0, size = indexes.size(); i < size; i++) {
                Index index = indexes.get(i);
                index.commit(operation, row);
            }
            row.commit();
        }
    }
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                Table table = select.getTopTableFilter().getTable();
                return ValueLong.get(table.getRowCount(session));
            case MIN:
            case MAX:
                boolean first = type == MIN;
                Index index = getColumnIndex(first);
                int sortType = index.getIndexColumns()[0].sortType;
                if ((sortType & SortOrder.DESCENDING) != 0) {
                    first = !first;
                }
                Cursor cursor = index.findFirstOrLast(session, first);
                SearchRow row = cursor.getSearchRow();
                Value v;
                if (row == null) {
                    v = ValueNull.INSTANCE;
                } else {
                    v = row.getValue(index.getColumns()[0].getColumnId());
                }
                return v;
            default:
                DbException.throwInternalError("type=" + type);
            }
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            ExpressionColumn col = (ExpressionColumn) on;
            Column column = col.getColumn();
            TableFilter filter = col.getTableFilter();
            if (filter != null) {
                Table table = filter.getTable();
                Index index = table.getIndexForColumn(column, first);
                return index;
            }
        }
        return null;
    }
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            case COUNT_ALL:
                return visitor.getTable().canGetRowCount();
            case MIN:
            case MAX:
                boolean first = type == MIN;
                Index index = getColumnIndex(first);
                return index != null;
            default:
                return false;
            }
        }
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                    continue;
                }
                ArrayList<Index> indexes = table.getIndexes();
                ArrayList<Constraint> constraints = table.getConstraints();
                for (int j = 0; indexes != null && j < indexes.size(); j++) {
                    Index index = indexes.get(j);
                    if (index.getCreateSQL() == null) {
                        continue;
                    }
                    String constraintName = null;
                    for (int k = 0; constraints != null && k < constraints.size(); k++) {
                        Constraint constraint = constraints.get(k);
                        if (constraint.usesIndex(index)) {
                            if (index.getIndexType().isPrimaryKey()) {
                                if (constraint.getConstraintType().equals(Constraint.PRIMARY_KEY)) {
                                    constraintName = constraint.getName();
                                }
                            } else {
                                constraintName = constraint.getName();
                            }
                        }
                    }
                    IndexColumn[] cols = index.getIndexColumns();
                    String indexClass;
                    if (index instanceof MultiVersionIndex) {
                        indexClass = ((MultiVersionIndex) index).getBaseIndex().getClass().getName();
                    } else {
                        indexClass = index.getClass().getName();
                    }
                    for (int k = 0; k < cols.length; k++) {
                        IndexColumn idxCol = cols[k];
                        Column column = idxCol.column;
                        add(rows,
                                // TABLE_CATALOG
                                catalog,
                                // TABLE_SCHEMA
                                identifier(table.getSchema().getName()),
                                // TABLE_NAME
                                tableName,
                                // NON_UNIQUE
                                index.getIndexType().isUnique() ? "FALSE" : "TRUE",
                                // INDEX_NAME
                                identifier(index.getName()),
                                // ORDINAL_POSITION
                                "" + (k+1),
                                // COLUMN_NAME
                                identifier(column.getName()),
                                // CARDINALITY
                                "0",
                                // PRIMARY_KEY
                                index.getIndexType().isPrimaryKey() ? "TRUE" : "FALSE",
                                // INDEX_TYPE_NAME
                                index.getIndexType().getSQL(),
                                // IS_GENERATED
                                index.getIndexType().getBelongsToConstraint() ? "TRUE" : "FALSE",
                                // INDEX_TYPE
                                "" + DatabaseMetaData.tableIndexOther,
                                // ASC_OR_DESC
                                (idxCol.sortType & SortOrder.DESCENDING) != 0 ? "D" : "A",
                                // PAGES
                                "0",
                                // FILTER_CONDITION
                                "",
                                // REMARKS
                                replaceNullWithEmpty(index.getComment()),
                                // SQL
                                index.getCreateSQL(),
                                // ID
                                "" + index.getId(),
                                // SORT_TYPE
                                "" + idxCol.sortType,
                                // CONSTRAINT_NAME
                                constraintName,
                                // INDEX_CLASS
                                indexClass
                            );
                    }
                }
            }
            break;
        }
        case TABLE_TYPES: {
            add(rows, Table.TABLE);
            add(rows, Table.TABLE_LINK);
            add(rows, Table.SYSTEM_TABLE);
            add(rows, Table.VIEW);
            break;
        }
        case CATALOGS: {
            add(rows, catalog);
            break;
        }
        case SETTINGS: {
            for (Setting s : database.getAllSettings()) {
                String value = s.getStringValue();
                if (value == null) {
                    value = "" + s.getIntValue();
                }
                add(rows,
                        identifier(s.getName()),
                        value
                );
            }
            add(rows, "info.BUILD_ID", "" + Constants.BUILD_ID);
            add(rows, "info.VERSION_MAJOR", "" + Constants.VERSION_MAJOR);
            add(rows, "info.VERSION_MINOR", "" + Constants.VERSION_MINOR);
            add(rows, "info.VERSION", "" + Constants.getFullVersion());
            if (admin) {
                String[] settings = {
                        "java.runtime.version",
                        "java.vm.name", "java.vendor",
                        "os.name", "os.arch", "os.version", "sun.os.patch.level",
                        "file.separator", "path.separator", "line.separator",
                        "user.country", "user.language", "user.variant", "file.encoding"
                };
                for (String s : settings) {
                    add(rows, "property." + s, Utils.getProperty(s, ""));
                }
            }
            add(rows, "EXCLUSIVE", database.getExclusiveSession() == null ? "FALSE" : "TRUE");
            add(rows, "MODE", database.getMode().getName());
            add(rows, "MULTI_THREADED", database.isMultiThreaded() ? "1" : "0");
            add(rows, "MVCC", database.isMultiVersion() ? "TRUE" : "FALSE");
            add(rows, "QUERY_TIMEOUT", "" + session.getQueryTimeout());
            add(rows, "LOG", "" + database.getLogMode());
            // database settings
            ArrayList<String> settingNames = New.arrayList();
            HashMap<String, String> s = database.getSettings().getSettings();
            for (String k : s.keySet()) {
                settingNames.add(k);
            }
            Collections.sort(settingNames);
            for (String k : settingNames) {
                add(rows, k, s.get(k));
            }
            if (database.isPersistent()) {
                PageStore store = database.getPageStore();
                add(rows, "info.FILE_WRITE_TOTAL", "" + store.getWriteCountTotal());
                add(rows, "info.FILE_WRITE", "" + store.getWriteCount());
                add(rows, "info.FILE_READ", "" + store.getReadCount());
                add(rows, "info.PAGE_COUNT", "" + store.getPageCount());
                add(rows, "info.PAGE_SIZE", "" + store.getPageSize());
                add(rows, "info.CACHE_MAX_SIZE", "" + store.getCache().getMaxMemory());
                add(rows, "info.CACHE_SIZE", "" + store.getCache().getMemory());
            }
            break;
        }
        case TYPE_INFO: {
            for (DataType t : DataType.getTypes()) {
                if (t.hidden || t.sqlType == Value.NULL) {
                    continue;
                }
                add(rows,
                        // TYPE_NAME
                        t.name,
                        // DATA_TYPE
                        String.valueOf(t.sqlType),
                        // PRECISION
                        String.valueOf(MathUtils.convertLongToInt(t.maxPrecision)),
                        // PREFIX
                        t.prefix,
                        // SUFFIX
                        t.suffix,
                        // PARAMS
                        t.params,
                        // AUTO_INCREMENT
                        String.valueOf(t.autoIncrement),
                        // MINIMUM_SCALE
                        String.valueOf(t.minScale),
                        // MAXIMUM_SCALE
                        String.valueOf(t.maxScale),
                        // RADIX
                        t.decimal ? "10" : null,
                        // POS
                        String.valueOf(t.sqlTypePos),
                        // CASE_SENSITIVE
                        String.valueOf(t.caseSensitive),
                        // NULLABLE
                        "" + DatabaseMetaData.typeNullable,
                        // SEARCHABLE
                        "" + DatabaseMetaData.typeSearchable
                );
            }
            break;
        }
        case HELP: {
            String resource = "/org/h2/res/help.csv";
            try {
                byte[] data = Utils.getResource(resource);
                Reader reader = new InputStreamReader(new ByteArrayInputStream(data));
                Csv csv = new Csv();
                csv.setLineCommentCharacter('#');
                ResultSet rs = csv.read(reader, null);
                for (int i = 0; rs.next(); i++) {
                    add(rows,
                        // ID
                        String.valueOf(i),
                        // SECTION
                        rs.getString(1).trim(),
                        // TOPIC
                        rs.getString(2).trim(),
                        // SYNTAX
                        rs.getString(3).trim(),
                        // TEXT
                        rs.getString(4).trim()
                    );
                }
            } catch (Exception e) {
                throw DbException.convert(e);
            }
            break;
        }
        case SEQUENCES: {
            for (SchemaObject obj : database.getAllSchemaObjects(DbObject.SEQUENCE)) {
                Sequence s = (Sequence) obj;
                add(rows,
                        // SEQUENCE_CATALOG
                        catalog,
                        // SEQUENCE_SCHEMA
                        identifier(s.getSchema().getName()),
                        // SEQUENCE_NAME
                        identifier(s.getName()),
                        // CURRENT_VALUE
                        String.valueOf(s.getCurrentValue()),
                        // INCREMENT
                        String.valueOf(s.getIncrement()),
                        // IS_GENERATED
                        s.getBelongsToTable() ? "TRUE" : "FALSE",
                                // REMARKS
                        replaceNullWithEmpty(s.getComment()),
                        // CACHE
                        String.valueOf(s.getCacheSize()),
                        // ID
                        "" + s.getId()
                    );
            }
            break;
        }
        case USERS: {
            for (User u : database.getAllUsers()) {
                if (admin || session.getUser() == u) {
                    add(rows,
                            // NAME
                            identifier(u.getName()),
                            // ADMIN
                            String.valueOf(u.isAdmin()),
                            // REMARKS
                            replaceNullWithEmpty(u.getComment()),
                            // ID
                            "" + u.getId()
                    );
                }
            }
            break;
        }
        case ROLES: {
            for (Role r : database.getAllRoles()) {
                if (admin || session.getUser().isRoleGranted(r)) {
                    add(rows,
                            // NAME
                            identifier(r.getName()),
                            // REMARKS
                            replaceNullWithEmpty(r.getComment()),
                            // ID
                            "" + r.getId()
                    );
                }
            }
            break;
        }
        case RIGHTS: {
            if (admin) {
                for (Right r : database.getAllRights()) {
                    Role role = r.getGrantedRole();
                    DbObject grantee = r.getGrantee();
                    String rightType = grantee.getType() == DbObject.USER ? "USER" : "ROLE";
                    if (role == null) {
                        Table granted = r.getGrantedTable();
                        String tableName = identifier(granted.getName());
                        if (!checkIndex(session, tableName, indexFrom, indexTo)) {
                            continue;
                        }
                        add(rows,
                                // GRANTEE
                                identifier(grantee.getName()),
                                // GRANTEETYPE
                                rightType,
                                // GRANTEDROLE
                                "",
                                // RIGHTS
                                r.getRights(),
                                // TABLE_SCHEMA
                                identifier(granted.getSchema().getName()),
                                // TABLE_NAME
                                identifier(granted.getName()),
                                // ID
                                "" + r.getId()
                        );
                    } else {
                        add(rows,
                                // GRANTEE
                                identifier(grantee.getName()),
                                // GRANTEETYPE
                                rightType,
                                // GRANTEDROLE
                                identifier(role.getName()),
                                // RIGHTS
                                "",
                                // TABLE_SCHEMA
                                "",
                                // TABLE_NAME
                                "",
                                // ID
                                "" + r.getId()
                        );
                    }
                }
            }
            break;
        }
        case FUNCTION_ALIASES: {
            for (SchemaObject aliasAsSchemaObject : database.getAllSchemaObjects(DbObject.FUNCTION_ALIAS)) {
                FunctionAlias alias = (FunctionAlias) aliasAsSchemaObject;
                for (FunctionAlias.JavaMethod method : alias.getJavaMethods()) {
                    int returnsResult = method.getDataType() == Value.NULL ? DatabaseMetaData.procedureNoResult
                            : DatabaseMetaData.procedureReturnsResult;
                    add(rows,
                            // ALIAS_CATALOG
                            catalog,
                            // ALIAS_SCHEMA
                            alias.getSchema().getName(),
                            // ALIAS_NAME
                            identifier(alias.getName()),
                            // JAVA_CLASS
                            alias.getJavaClassName(),
                            // JAVA_METHOD
                            alias.getJavaMethodName(),
                            // DATA_TYPE
                            "" + DataType.convertTypeToSQLType(method.getDataType()),
                            // COLUMN_COUNT INT
                            "" + method.getParameterCount(),
                            // RETURNS_RESULT SMALLINT
                            "" + returnsResult,
                            // REMARKS
                            replaceNullWithEmpty(alias.getComment()),
                            // ID
                            "" + alias.getId(),
                            // SOURCE
                            alias.getSource()
                            // when adding more columns, see also below
                    );
                }
            }
            for (UserAggregate agg : database.getAllAggregates()) {
                int returnsResult = DatabaseMetaData.procedureReturnsResult;
                add(rows,
                        // ALIAS_CATALOG
                        catalog,
                        // ALIAS_SCHEMA
                        Constants.SCHEMA_MAIN,
                        // ALIAS_NAME
                        identifier(agg.getName()),
                        // JAVA_CLASS
                        agg.getJavaClassName(),
                        // JAVA_METHOD
                        "",
                        // DATA_TYPE
                        "" + DataType.convertTypeToSQLType(Value.NULL),
                        // COLUMN_COUNT INT
                        "1",
                        // RETURNS_RESULT SMALLINT
                        "" + returnsResult,
                        // REMARKS
                        replaceNullWithEmpty(agg.getComment()),
                        // ID
                        "" + agg.getId(),
                        // SOURCE
                        ""
                        // when adding more columns, see also below
                );
            }
            break;
        }
        case FUNCTION_COLUMNS: {
            for (SchemaObject aliasAsSchemaObject : database.getAllSchemaObjects(DbObject.FUNCTION_ALIAS)) {
                FunctionAlias alias = (FunctionAlias) aliasAsSchemaObject;
                for (FunctionAlias.JavaMethod method : alias.getJavaMethods()) {
                    Class<?>[] columnList = method.getColumnClasses();
                    for (int k = 0; k < columnList.length; k++) {
                        if (method.hasConnectionParam() && k == 0) {
                            continue;
                        }
                        Class<?> clazz = columnList[k];
                        int dataType = DataType.getTypeFromClass(clazz);
                        DataType dt = DataType.getDataType(dataType);
                        int nullable = clazz.isPrimitive() ? DatabaseMetaData.columnNoNulls
                                : DatabaseMetaData.columnNullable;
                        add(rows,
                                // ALIAS_CATALOG
                                catalog,
                                // ALIAS_SCHEMA
                                alias.getSchema().getName(),
                                // ALIAS_NAME
                                identifier(alias.getName()),
                                // JAVA_CLASS
                                alias.getJavaClassName(),
                                // JAVA_METHOD
                                alias.getJavaMethodName(),
                                // COLUMN_COUNT
                                "" + method.getParameterCount(),
                                // POS INT
                                "" + (k + (method.hasConnectionParam() ? 0 : 1)),
                                // COLUMN_NAME
                                "P" + (k + 1),
                                // DATA_TYPE
                                "" + DataType.convertTypeToSQLType(dt.type),
                                // TYPE_NAME
                                dt.name,
                                // PRECISION INT
                                "" + MathUtils.convertLongToInt(dt.defaultPrecision),
                                // SCALE
                                "" + dt.defaultScale,
                                // RADIX
                                "10",
                                // NULLABLE SMALLINT
                                "" + nullable,
                                // COLUMN_TYPE
                                "" + DatabaseMetaData.procedureColumnIn,
                                // REMARKS
                                "",
                                // COLUMN_DEFAULT
                                null
                        );
                    }
                }
            }
            break;
        }
        case SCHEMATA: {
            String collation = database.getCompareMode().getName();
            for (Schema schema : database.getAllSchemas()) {
                add(rows,
                        // CATALOG_NAME
                        catalog,
                        // SCHEMA_NAME
                        identifier(schema.getName()),
                        // SCHEMA_OWNER
                        identifier(schema.getOwner().getName()),
                        // DEFAULT_CHARACTER_SET_NAME
                        CHARACTER_SET_NAME,
                        // DEFAULT_COLLATION_NAME
                        collation,
                        // IS_DEFAULT
                        Constants.SCHEMA_MAIN.equals(schema.getName()) ? "TRUE" : "FALSE",
                        // REMARKS
                        replaceNullWithEmpty(schema.getComment()),
                        // ID
                        "" + schema.getId()
                );
            }
            break;
        }
        case TABLE_PRIVILEGES: {
            for (Right r : database.getAllRights()) {
                Table table = r.getGrantedTable();
                if (table == null || hideTable(table, session)) {
                    continue;
                }
                String tableName = identifier(table.getName());
                if (!checkIndex(session, tableName, indexFrom, indexTo)) {
                    continue;
                }
                addPrivileges(rows, r.getGrantee(), catalog, table, null, r.getRightMask());
            }
            break;
        }
        case COLUMN_PRIVILEGES: {
            for (Right r : database.getAllRights()) {
                Table table = r.getGrantedTable();
                if (table == null || hideTable(table, session)) {
                    continue;
                }
                String tableName = identifier(table.getName());
                if (!checkIndex(session, tableName, indexFrom, indexTo)) {
                    continue;
                }
                DbObject grantee = r.getGrantee();
                int mask = r.getRightMask();
                for (Column column : table.getColumns()) {
                    addPrivileges(rows, grantee, catalog, table, column.getName(), mask);
                }
            }
            break;
        }
        case COLLATIONS: {
            for (Locale l : Collator.getAvailableLocales()) {
                add(rows,
                        // NAME
                        CompareMode.getName(l),
                        // KEY
                        l.toString()
                );
            }
            break;
        }
        case VIEWS: {
            for (Table table : getAllTables(session)) {
                if (!table.getTableType().equals(Table.VIEW)) {
                    continue;
                }
                String tableName = identifier(table.getName());
                if (!checkIndex(session, tableName, indexFrom, indexTo)) {
                    continue;
                }
                TableView view = (TableView) table;
                add(rows,
                        // TABLE_CATALOG
                        catalog,
                        // TABLE_SCHEMA
                        identifier(table.getSchema().getName()),
                        // TABLE_NAME
                        tableName,
                        // VIEW_DEFINITION
                        table.getCreateSQL(),
                        // CHECK_OPTION
                        "NONE",
                        // IS_UPDATABLE
                        "NO",
                        // STATUS
                        view.isInvalid() ? "INVALID" : "VALID",
                        // REMARKS
                        replaceNullWithEmpty(view.getComment()),
                        // ID
                        "" + view.getId()
                );
            }
            break;
        }
        case IN_DOUBT: {
            ArrayList<InDoubtTransaction> prepared = database.getInDoubtTransactions();
            if (prepared != null && admin) {
                for (InDoubtTransaction prep : prepared) {
                    add(rows,
                            // TRANSACTION
                            prep.getTransaction(),
                            // STATE
                            prep.getState()
                    );
                }
            }
            break;
        }
        case CROSS_REFERENCES: {
            for (SchemaObject obj : database.getAllSchemaObjects(DbObject.CONSTRAINT)) {
                Constraint constraint = (Constraint) obj;
                if (!(constraint.getConstraintType().equals(Constraint.REFERENTIAL))) {
                    continue;
                }
                ConstraintReferential ref = (ConstraintReferential) constraint;
                IndexColumn[] cols = ref.getColumns();
                IndexColumn[] refCols = ref.getRefColumns();
                Table tab = ref.getTable();
                Table refTab = ref.getRefTable();
                String tableName = identifier(refTab.getName());
                if (!checkIndex(session, tableName, indexFrom, indexTo)) {
                    continue;
                }
                int update = getRefAction(ref.getUpdateAction());
                int delete = getRefAction(ref.getDeleteAction());
                for (int j = 0; j < cols.length; j++) {
                    add(rows,
                            // PKTABLE_CATALOG
                            catalog,
                            // PKTABLE_SCHEMA
                            identifier(refTab.getSchema().getName()),
                            // PKTABLE_NAME
                            identifier(refTab.getName()),
                            // PKCOLUMN_NAME
                            identifier(refCols[j].column.getName()),
                            // FKTABLE_CATALOG
                            catalog,
                            // FKTABLE_SCHEMA
                            identifier(tab.getSchema().getName()),
                            // FKTABLE_NAME
                            identifier(tab.getName()),
                            // FKCOLUMN_NAME
                            identifier(cols[j].column.getName()),
                            // ORDINAL_POSITION
                            String.valueOf(j + 1),
                            // UPDATE_RULE SMALLINT
                            String.valueOf(update),
                            // DELETE_RULE SMALLINT
                            String.valueOf(delete),
                            // FK_NAME
                            identifier(ref.getName()),
                            // PK_NAME
                            identifier(ref.getUniqueIndex().getName()),
                            // DEFERRABILITY
                            "" + DatabaseMetaData.importedKeyNotDeferrable
                    );
                }
            }
            break;
        }
        case CONSTRAINTS: {
            for (SchemaObject obj : database.getAllSchemaObjects(DbObject.CONSTRAINT)) {
                Constraint constraint = (Constraint) obj;
                String constraintType = constraint.getConstraintType();
                String checkExpression = null;
                IndexColumn[] indexColumns = null;
                Table table = constraint.getTable();
                if (hideTable(table, session)) {
                    continue;
                }
                Index index = constraint.getUniqueIndex();
                String uniqueIndexName = null;
                if (index != null) {
                    uniqueIndexName = index.getName();
                }
                String tableName = identifier(table.getName());
                if (!checkIndex(session, tableName, indexFrom, indexTo)) {
                    continue;
                }
View Full Code Here

        if (database.isMultiVersion()) {
            row.setSessionId(session.getId());
        }
        try {
            for (int size = indexes.size(); i < size; i++) {
                Index index = indexes.get(i);
                index.add(session, row);
                checkRowCount(session, index, 1);
            }
            rowCount++;
        } catch (Throwable e) {
            try {
                while (--i >= 0) {
                    Index index = indexes.get(i);
                    index.remove(session, row);
                    checkRowCount(session, index, 0);
                }
            } catch (DbException e2) {
                // this could happen, for example on failure in the storage
                // but if that is not the case it means there is something wrong
                // with the database
                trace.error(e2, "could not undo operation");
                throw e2;
            }
            DbException de = DbException.convert(e);
            if (de.getErrorCode() == ErrorCode.DUPLICATE_KEY_1) {
                for (int j = 0; j < indexes.size(); j++) {
                    Index index = indexes.get(j);
                    if (index.getIndexType().isUnique() && index instanceof MultiVersionIndex) {
                        MultiVersionIndex mv = (MultiVersionIndex) index;
                        if (mv.isUncommittedFromOtherSession(session, row)) {
                            throw DbException.get(ErrorCode.CONCURRENT_UPDATE_1, index.getName());
                        }
                    }
                }
            }
            throw de;
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    }

    public void commit(short operation, Row row) {
        lastModificationId = database.getNextModificationDataId();
        for (int i = 0, size = indexes.size(); i < size; i++) {
            Index index = indexes.get(i);
            index.commit(operation, row);
        }
    }
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        }
        boolean isSessionTemporary = isTemporary() && !isGlobalTemporary();
        if (!isSessionTemporary) {
            database.lockMeta(session);
        }
        Index index;
        if (isPersistIndexes() && indexType.isPersistent()) {
            int mainIndexColumn;
            if (database.isStarting() && database.getPageStore().getRootPageId(indexId) != 0) {
                mainIndexColumn = -1;
            } else if (!database.isStarting() && mainIndex.getRowCount(session) != 0) {
                mainIndexColumn = -1;
            } else {
                mainIndexColumn = getMainIndexColumn(indexType, cols);
            }
            if (mainIndexColumn != -1) {
                mainIndex.setMainIndexColumn(mainIndexColumn);
                index = new PageDelegateIndex(this, indexId, indexName, indexType, mainIndex, create, session);
            } else {
                index = new PageBtreeIndex(this, indexId, indexName, cols, indexType, create, session);
            }
        } else {
            if (indexType.isHash() && cols.length <= 1) {
                if (indexType.isUnique()) {
                    index = new HashIndex(this, indexId, indexName, cols, indexType);
                } else {
                    index = new NonUniqueHashIndex(this, indexId, indexName, cols, indexType);
                }
            } else {
                index = new TreeIndex(this, indexId, indexName, cols, indexType);
            }
        }
        if (database.isMultiVersion()) {
            index = new MultiVersionIndex(index, this);
        }
        if (index.needRebuild() && rowCount > 0) {
            try {
                Index scan = getScanIndex(session);
                long remaining = scan.getRowCount(session);
                long total = remaining;
                Cursor cursor = scan.find(session, null, null);
                long i = 0;
                int bufferSize = (int) Math.min(rowCount, Constants.DEFAULT_MAX_MEMORY_ROWS);
                ArrayList<Row> buffer = New.arrayList(bufferSize);
                String n = getName() + ":" + index.getName();
                int t = MathUtils.convertLongToInt(total);
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    public boolean canGetRowCount() {
        return true;
    }

    private static void addRowsToIndex(Session session, ArrayList<Row> list, Index index) {
        final Index idx = index;
        Collections.sort(list, new Comparator<Row>() {
            public int compare(Row r1, Row r2) {
                return idx.compareRows(r1, r2);
            }
        });
        for (Row row : list) {
            index.add(session, row);
        }
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