Examples of RangeIterator


Examples of org.hsqldb.navigator.RangeIterator

        for (int i = 0; i < joinRangeIterators.length; i++) {
            rangeIterators[i] = joinRangeIterators[i].getIterator(session);
        }

        for (int currentIndex = 0; currentIndex >= 0; ) {
            RangeIterator it          = rangeIterators[currentIndex];
            boolean       beforeFirst = it.isBeforeFirst();

            if (it.next()) {
                if (currentIndex < joinRangeIterators.length - 1) {
                    currentIndex++;

                    continue;
                }
            } else {
                if (currentIndex == 1 && beforeFirst
                        && insertExpression != null) {
                    Object[] data =
                        getInsertData(session, colTypes,
                                      insertExpression.nodes[0].nodes);

                    if (data != null) {
                        newData.add(data);
                    }
                }

                it.reset();

                currentIndex--;

                continue;
            }

            // row matches!
            if (updateExpressions.length != 0) {
                Row row = it.getCurrentRow();    // this is always the second iterator

                session.sessionData.startRowProcessing();

                Object[] data = getUpdatedData(session, targets, baseTable,
                                               updateColumnMap,
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Examples of org.hsqldb.navigator.RangeIterator

    void insertRowSet(Session session, RowSetNavigator generatedNavigator,
                      RowSetNavigator newData) {

        PersistentStore store         = baseTable.getRowStore(session);
        RangeIterator   checkIterator = null;

        if (updatableTableCheck != null) {
            checkIterator = checkRangeVariable.getIterator(session);
        }

        newData.beforeFirst();

        if (baseTable.triggerLists[Trigger.INSERT_BEFORE_ROW].length > 0) {
            while (newData.hasNext()) {
                Object[] data = (Object[]) newData.getNext();

                baseTable.fireTriggers(session, Trigger.INSERT_BEFORE_ROW,
                                       null, data, null);
            }

            newData.beforeFirst();
        }

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

            baseTable.insertSingleRow(session, store, data, null);

            if (checkIterator != null) {
                checkIterator.setCurrent(data);

                boolean check = updatableTableCheck.testCondition(session);

                if (!check) {
                    throw Error.error(ErrorCode.X_44000);
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Examples of org.hsqldb.navigator.RangeIterator

     * @return the result of executing the statement
     */
    Result executeDeleteStatement(Session session) {

        int count = 0;
        RangeIterator it = RangeVariable.getIterator(session,
            targetRangeVariables);
        RowSetNavigatorDataChange navigator =
            new RowSetNavigatorDataChange(session.database.sqlEnforceTDCD,
                                          session.database.sqlEnforceTDCU);

        while (it.next()) {
            Row currentRow = it.getCurrentRow();

            navigator.addRow(currentRow);
        }

        it.release();

        if (navigator.getSize() > 0) {
            count = delete(session, baseTable, navigator);
        } else {
            return Result.updateZeroResult;
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Examples of org.hsqldb_voltpatches.navigator.RangeIterator

                if (end) {
                    break;
                }
            }

            RangeIterator it = rangeIterators[currentIndex];

            if (it.next()) {
                if (currentIndex < rangeVariables.length - 1) {
                    currentIndex++;

                    continue;
                }
            } else {
                it.reset();

                currentIndex--;

                continue;
            }

            session.sessionData.startRowProcessing();

            Object[] data = new Object[indexLimitData];

            for (int i = 0; i < indexStartAggregates; i++) {
                if (isAggregated && aggregateCheck[i]) {
                    continue;
                } else {
                    data[i] = exprColumns[i].getValue(session);
                }
            }

            for (int i = indexLimitVisible; i < indexLimitRowId; i++) {
                data[i] = it.getRowidObject();
            }

            Object[] groupData = null;

            if (isAggregated || isGrouped) {
                groupData = navigator.getGroupData(data);

                if (groupData != null) {
                    data = groupData;
                }
            }

            for (int i = indexStartAggregates; i < indexLimitExpressions;
                    i++) {
                data[i] =
                    ((ExpressionAggregate) exprColumns[i])
                        .updateAggregatingValue(session, data[i]);
            }

            if (groupData == null) {
                navigator.add(data);
            }

            if (isAggregated || isGrouped) {
                continue;
            }

            if (navigator.getSize() >= limitcount) {
                break;
            }
        }

        navigator.reset();

        if (!isGrouped && !isAggregated) {
            return result;
        }

        if (isAggregated) {
            if (!isGrouped && navigator.getSize() == 0) {
                Object[] data = new Object[exprColumns.length];

                navigator.add(data);
            }

            RangeIteratorBase it = new RangeIteratorBase(session,
                navigator.store, navigator.table, resultRangePosition);

            session.sessionContext.setRangeIterator(it);

            while (it.next()) {
                for (int i = indexStartAggregates; i < indexLimitExpressions;
                        i++) {
                    ExpressionAggregate aggregate =
                        (ExpressionAggregate) exprColumns[i];
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Examples of org.neo4j.helpers.collection.RangeIterator

    }
   
    @Test
    public void testCachingIterator()
    {
        Iterator<Integer> source = new RangeIterator( 8 );
        CachingIterator<Integer> caching = new CachingIterator<Integer>( source );
       
        try
        {
            caching.previous();
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Examples of org.pdf4j.saxon.expr.RangeIterator

     *          if any dynamic error occurs evaluating the
     *          expression
     */

    public SequenceIterator iterate() throws XPathException {
        return new RangeIterator(start, end);
    }
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