hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListMerger.java [134:166]:
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        int prevBufIdx = 0;
        int maxPrevBufIdx = prevSearchResult.getCurrentBufferIndex();
        ByteBuffer prevCurrentBuffer = prevSearchResult.getBuffers().get(0);

        FixedSizeFrameTupleAccessor resultFrameTupleAcc = prevSearchResult.getAccessor();
        FixedSizeTupleReference resultTuple = prevSearchResult.getTuple();

        boolean advanceCursor = true;
        boolean advancePrevResult = false;
        int resultTidx = 0;

        resultFrameTupleAcc.reset(prevCurrentBuffer);

        int invListTidx = 0;
        int invListNumTuples = invListCursor.size();

        if (invListCursor.hasNext())
            invListCursor.next();

        while (invListTidx < invListNumTuples && resultTidx < resultFrameTupleAcc.getTupleCount()) {

            ITupleReference invListTuple = invListCursor.getTuple();

            resultTuple.reset(prevCurrentBuffer.array(), resultFrameTupleAcc.getTupleStartOffset(resultTidx));

            int cmp = invListCmp.compare(invListTuple, resultTuple);
            if (cmp == 0) {
                int count = IntegerPointable.getInteger(resultTuple.getFieldData(0), resultTuple.getFieldStart(resultTuple.getFieldCount() - 1)) + 1;
                newSearchResult.append(resultTuple, count);
                advanceCursor = true;
                advancePrevResult = true;
            } else {
                if (cmp < 0) {
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hyracks/hyracks-storage-am-lsm-invertedindex/src/main/java/org/apache/hyracks/storage/am/lsm/invertedindex/search/InvertedListMerger.java [224:255]:
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        int prevBufIdx = 0;
        int maxPrevBufIdx = prevSearchResult.getCurrentBufferIndex();
        ByteBuffer prevCurrentBuffer = prevSearchResult.getBuffers().get(0);

        FixedSizeFrameTupleAccessor resultFrameTupleAcc = prevSearchResult.getAccessor();
        FixedSizeTupleReference resultTuple = prevSearchResult.getTuple();

        boolean advanceCursor = true;
        boolean advancePrevResult = false;
        int resultTidx = 0;

        resultFrameTupleAcc.reset(prevCurrentBuffer);

        int invListTidx = 0;
        int invListNumTuples = invListCursor.size();

        if (invListCursor.hasNext())
            invListCursor.next();

        while (invListTidx < invListNumTuples && resultTidx < resultFrameTupleAcc.getTupleCount()) {

            ITupleReference invListTuple = invListCursor.getTuple();
            resultTuple.reset(prevCurrentBuffer.array(), resultFrameTupleAcc.getTupleStartOffset(resultTidx));

            int cmp = invListCmp.compare(invListTuple, resultTuple);
            if (cmp == 0) {
                int count = IntegerPointable.getInteger(resultTuple.getFieldData(0), resultTuple.getFieldStart(resultTuple.getFieldCount() - 1)) + 1;
                newSearchResult.append(resultTuple, count);
                advanceCursor = true;
                advancePrevResult = true;
            } else {
                if (cmp < 0) {
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