Examples of org.hsqldb_voltpatches.persist.PersistentStore

org.hsqldb_voltpatches.persist.PersistentStore
Interface for a store for CachedObject object. @author Fred Toussi (fredt@users dot sourceforge.net) @version 1.9.0 @since 1.8.0


    public PersistentStore getNewResultRowStore(TableBase table,
            boolean isCached) {


        try {
            PersistentStore store = session.database.logger.newStore(session,
                    persistentStoreCollection, table, isCached);


            return store;
        } catch (HsqlException e) {}

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     *  Return the list of file pointers to root nodes for this table's
     *  indexes.
     */
    public final int[] getIndexRootsArray() {


        PersistentStore store =
            database.persistentStoreCollection.getStore(this);
        int[] roots = new int[getIndexCount()];


        for (int i = 0; i < getIndexCount(); i++) {
            CachedObject accessor = store.getAccessor(indexList[i]);


            roots[i] = accessor == null ? -1
                                        : accessor.getPos();
        }

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        if (!isCached) {
            throw Error.error(ErrorCode.X_42501, tableName.name);
        }


        PersistentStore store =
            database.persistentStoreCollection.getStore(this);


        for (int i = 0; i < getIndexCount(); i++) {
            store.setAccessor(indexList[i], roots[i]);
        }
    }

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        if (adjust >= 0 && colindex != -1) {
            column   = getColumn(colindex);
            colvalue = column.getDefaultValue(session);
        }


        PersistentStore store = session.sessionData.getRowStore(this);


        try {
            RowIterator it = from.rowIterator(session);


            while (it.hasNext()) {
                Row      row  = it.getNextRow();
                Object[] o    = row.getData();
                Object[] data = getEmptyRowData();


                if (adjust == 0 && colindex != -1) {
                    colvalue = column.getDataType().convertToType(session,
                            o[colindex],
                            from.getColumn(colindex).getDataType());
                }


                ArrayUtil.copyAdjustArray(o, data, colvalue, colindex, adjust);
                systemSetIdentityColumn(session, data);
                enforceRowConstraints(session, data);


                // get object without RowAction
                Row newrow = (Row) store.getNewCachedObject(null, data);


                if (row.rowAction != null) {
                    newrow.rowAction =
                        row.rowAction.duplicate(newrow.getPos());
                }


                store.indexRow(null, newrow);
            }
        } catch (Throwable t) {
            store.release();


            if (t instanceof HsqlException) {
                throw (HsqlException) t;
            }

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    /**
     * Multi-row insert method. Used for CREATE TABLE AS ... queries.
     */
    void insertIntoTable(Session session, Result result) {


        PersistentStore store = session.sessionData.getRowStore(this);
        RowSetNavigator nav   = result.initialiseNavigator();


        while (nav.hasNext()) {
            Object[] data = (Object[]) nav.getNext();
            Object[] newData =

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     */
    public void insertNoCheckFromLog(Session session, Object[] data) {


        systemUpdateIdentityValue(data);


        PersistentStore store = session.sessionData.getRowStore(this);
        Row             row   = (Row) store.getNewCachedObject(session, data);


        store.indexRow(session, row);
        session.addInsertAction(this, row);
    }

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     * For log statements. Delete a single row.
     */
    public void deleteNoCheckFromLog(Session session, Object[] data) {


        Row             row   = null;
        PersistentStore store = session.sessionData.getRowStore(this);


        if (hasPrimaryKey()) {
            RowIterator it = getPrimaryIndex().findFirstRow(session, store,
                data, primaryKeyColsSequence);

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    void updateRowSet(Session session, HashMappedList rowSet, int[] cols,
                      boolean isTriggeredSet) {


        boolean         hasLob = false;
        PersistentStore store  = session.sessionData.getRowStore(this);


        for (int i = 0; i < rowSet.size(); i++) {
            Row row = (Row) rowSet.getKey(i);


            if (row.isDeleted(session)) {

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        switch (actionType) {


            case ResultConstants.UPDATE_CURSOR : {
                Long id = (Long) args[args.length - 1];
                PersistentStore store =
                    session.sessionData.getRowStore(baseTable);
                Row row = (Row) store.get((int) id.longValue(), false);
                HashMappedList list = new HashMappedList();
                Object[] data =
                    (Object[]) ArrayUtil.duplicateArray(row.getData());


                for (int i = 0; i < baseColumnMap.length; i++) {
                    if (types[i] == Type.SQL_ALL_TYPES) {
                        continue;
                    }


                    data[baseColumnMap[i]] = args[i];
                }


                list.add(row, data);
                update(session, baseTable, list);


                break;
            }
            case ResultConstants.DELETE_CURSOR : {
                Long id = (Long) args[args.length - 1];
                PersistentStore store =
                    session.sessionData.getRowStore(baseTable);
                Row row = (Row) store.get((int) id.longValue(), false);
                RowSetNavigator navigator = new RowSetNavigatorLinkedList();


                navigator.add(row);
                delete(session, baseTable, navigator);


                break;
            }
            case ResultConstants.INSERT_CURSOR : {
                Object[] data = baseTable.getNewRowData(session);


                for (int i = 0; i < data.length; i++) {
                    data[baseColumnMap[i]] = args[i];
                }


                PersistentStore store =
                    session.sessionData.getRowStore(baseTable);


                baseTable.insertRow(session, store, data);
            }
        }

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    /**
     * Fills the table with a result set
     */
    public void materialise(Session session) {


        PersistentStore store;


        // table constructors
        if (isDataExpression) {
            store = session.sessionData.getSubqueryRowStore(table);

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Related Classes of org.hsqldb_voltpatches.persist.PersistentStore

org.hsqldb_voltpatches.Constraint

org.hsqldb_voltpatches.dbinfo.DatabaseInformationFull

org.hsqldb_voltpatches.dbinfo.DatabaseInformationMain

org.hsqldb_voltpatches.ExpressionLogical

org.hsqldb_voltpatches.scriptio.ScriptReaderBinary

org.hsqldb_voltpatches.SessionData

org.hsqldb_voltpatches.StatementDML

org.hsqldb_voltpatches.StatementInsert

org.hsqldb_voltpatches.StatementResultUpdate

org.hsqldb_voltpatches.SubQuery

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