Examples of org.hsqldb.Row

org.hsqldb.Row
Base class for a database row object. @author Fred Toussi (fredt@users dot sourceforge dot net) @version 1.9.0

        int           rowCount = 0;
        HsqlException error    = null;


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


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


                // count before inserting
                rowCount++;


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


            it.release();


            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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    protected void clear() {


        Iterator it = cache.getIterator();


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


            row.setInMemory(false);
            row.destroy();
        }


        cache.clear();


        fileStartFreePosition = fileFreePosition = initialFreePos;

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        long pos = tableSpace.getFilePosition(size, false);


        object.setPos(pos);


        if (tx) {
            Row row = (Row) object;
            RowAction action = new RowAction(session, table,
                                             RowAction.ACTION_INSERT, row,
                                             null);


            row.rowAction = action;

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    }


    public CachedObject getNewCachedObject(Session session, Object object,
                                           boolean tx) {


        Row row;


        if (largeData) {
            row = new RowAVLDiskLarge(table, (Object[]) object, this);
        } else {
            row = new RowAVLDisk(table, (Object[]) object, this);

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            RowIterator it = rowIterator();


            // todo - check this - must remove from old space, not new one
            while (it.hasNext()) {
                Row row = it.getNextRow();


                cache.remove(row);
                tableSpace.release(row.getPos(), row.getStorageSize());
            }


            accessorList = newAccessorList;
        } finally {
            cache.writeLock.unlock();

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                        RowIterator it =
                            t.rowIteratorClustered(currentSession);


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


                            writeRow(currentSession, row, t);
                        }


                        writeTableTerm(t);

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                return;
            }


            while (true) {
                Row currentRow = n.row;


                compare = 0;


                if (compareSimple) {
                    compare =
                        colTypes[0].compare(session, rowData[colIndex[0]],
                                            currentRow.getData()[colIndex[0]]);


                    if (compare == 0 && compareRowId) {
                        compare = compareRowForInsertOrDelete(session, row,
                                                              currentRow,
                                                              compareRowId, 1);

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                return;
            }


            while (true) {
                Row currentRow = n.row;


                compare = 0;


                if (compareSimple) {
                    compare =
                        colTypes[0].compare(session, rowData[colIndex[0]],
                                            currentRow.getData()[colIndex[0]]);


                    if (compare == 0 && compareRowId) {
                        compare = compareRowForInsertOrDelete(session, row,
                                                              currentRow,
                                                              compareRowId, 1);

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                return;
            }


            while (true) {
                Row currentRow = n.getRow(store);


                compare = compareRowForInsertOrDelete(session, row,
                                                      currentRow,
                                                      compareRowId, 0);

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                x = l;
                l = x.getLeft(store);
            }


            while (session != null && x != null) {
                Row row = x.getRow(store);


                if (session.database.txManager.canRead(
                        session, row, TransactionManager.ACTION_READ, null)) {
                    break;
                }

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Related Classes of org.hsqldb.Row

org.hsqldb.index.IndexAVL

org.hsqldb.index.IndexAVL$IndexRowIterator

org.hsqldb.index.IndexAVLMemory

org.hsqldb.navigator.RowSetNavigatorData

org.hsqldb.navigator.RowSetNavigatorDataTable

org.hsqldb.persist.DataFileCacheSession

org.hsqldb.persist.DataFileDefrag

org.hsqldb.persist.RowStoreAVL

org.hsqldb.persist.RowStoreAVLDisk

org.hsqldb.persist.RowStoreAVLDiskData

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