Examples of org.hsqldb_voltpatches.navigator.RowIterator

Package org.hsqldb_voltpatches.navigator

Examples of org.hsqldb_voltpatches.navigator.RowIterator

org.hsqldb_voltpatches.navigator.RowIterator
@author Fred Toussi (fredt@users dot sourceforge.net) @version 1.9.0 @since 1.7.2

                    if (script) {
                        schemaToLog = t.getName().schema;


                        writeTableInit(t);


                        RowIterator it = t.rowIterator(currentSession);


                        while (it.hasNext()) {
                            writeRow(currentSession, t,
                                     it.getNextRow().getData());
                        }


                        writeTableTerm(t);
                    }
                } catch (Exception e) {

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        }


        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,

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


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


            row = it.getNextRow();
        } else if (bestIndex == null) {
            RowIterator it = rowIterator(session);


            while (true) {
                row = it.getNextRow();


                if (row == null) {
                    break;
                }


                if (IndexAVL.compareRows(
                        row.getData(), data, defaultColumnMap,
                        colTypes) == 0) {
                    break;
                }
            }
        } else {
            RowIterator it = bestIndex.findFirstRow(session, store, data);


            while (true) {
                row = it.getNextRow();


                if (row == null) {
                    break;
                }

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        return result;
    }


    public Object[] getValues(Session session) {


        RowIterator it = table.rowIterator(session);


        if (it.hasNext()) {
            Row row = it.getNextRow();


            if (it.hasNext()) {
                throw Error.error(ErrorCode.X_21000);
            }


            return row.getData();
        } else {

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    }


    void dropIndexFromRows(Index primaryIndex,
                           Index oldIndex) {


        RowIterator it       = primaryIndex.firstRow(this);
        int         position = oldIndex.getPosition() - 1;


        while (it.hasNext()) {
            Row     row      = it.getNextRow();
            int     i        = position - 1;
            NodeAVL backnode = ((RowAVL) row).getNode(0);


            while (i-- > 0) {
                backnode = backnode.nNext;

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    boolean insertIndexNodes(Index primaryIndex,
                             Index newIndex) {


        int           position = newIndex.getPosition();
        RowIterator   it       = primaryIndex.firstRow(this);
        int           rowCount = 0;
        HsqlException error    = null;


        try {
            while (it.hasNext()) {
                Row row = it.getNextRow();


                ((RowAVL) row).insertNode(position);


                // count before inserting
                rowCount++;


                newIndex.insert(null, this, row);
            }


            return true;
        } catch (java.lang.OutOfMemoryError e) {
            error = Error.error(ErrorCode.OUT_OF_MEMORY);
        } catch (HsqlException e) {
            error = e;
        }


        // backtrack on error
        // rowCount rows have been modified
        it = primaryIndex.firstRow(this);


        for (int i = 0; i < rowCount; i++) {
            Row     row      = it.getNextRow();
            NodeAVL backnode = ((RowAVL) row).getNode(0);
            int     j        = position;


            while (--j > 0) {
                backnode = backnode.nNext;

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     */
    void reindex(Session session, Index index) {


        setAccessor(index, null);


        RowIterator it = table.rowIterator(session);


        while (it.hasNext()) {
            Row row = it.getNextRow();


            // may need to clear the node before insert
            index.insert(session, this, row);
        }
    }

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    public void changeToDiskTable() {


        cache = session.sessionData.getResultCache();


        if (cache != null) {
            RowIterator iterator = table.rowIterator(this);


            ArrayUtil.fillArray(accessorList, null);


            isCached = true;


            cache.storeCount++;


            while (iterator.hasNext()) {
                Row row    = iterator.getNextRow();
                Row newRow = (Row) getNewCachedObject(session, row.getData());


                indexRow(null, newRow);
            }

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        int   count      = 0;


        pointerLookup.setKeysSearchTarget();
        Error.printSystemOut("lookup begins: " + stopw.elapsedTime());


        RowIterator it = table.rowIterator(session);


        for (; it.hasNext(); count++) {
            CachedObject row = it.getNextRow();


            pointerLookup.addUnsorted(row.getPos(), (int) (pos / scale));


            if (count % 50000 == 0) {
                Error.printSystemOut("pointer pair for row " + count + " "
                                     + row.getPos() + " " + pos);
            }


            pos += row.getStorageSize();
        }


        Error.printSystemOut(table.getName().name + " list done ",
                             stopw.elapsedTime());


        count = 0;
        it    = table.rowIterator(session);


        for (; it.hasNext(); count++) {
            CachedObject row = it.getNextRow();


            rowOut.reset();
            row.write(rowOut, pointerLookup);
            fileStreamOut.write(rowOut.getOutputStream().getBuffer(), 0,
                                rowOut.size());

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     */
    void checkReferencedRows(Session session, Table table, int[] rowColArray) {


        Index           mainIndex = getMainIndex();
        PersistentStore store     = session.sessionData.getRowStore(table);
        RowIterator     it        = table.rowIterator(session);


        while (true) {
            Row row = it.getNextRow();


            if (row == null) {
                break;
            }

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org.hsqldb_voltpatches.ExpressionLogical

org.hsqldb_voltpatches.index.IndexAVL

org.hsqldb_voltpatches.persist.DataFileDefrag

org.hsqldb_voltpatches.persist.RowStoreAVL

org.hsqldb_voltpatches.persist.RowStoreAVLHybrid

org.hsqldb_voltpatches.persist.RowStoreAVLMemory

org.hsqldb_voltpatches.RangeVariable$FullRangeIterator

org.hsqldb_voltpatches.scriptio.ScriptWriterBase

org.hsqldb_voltpatches.StatementDML

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