try {
input = new DataInputStream(new ByteArrayInputStream(data));
// key length
int keyLength = WritableUtils.readVInt(input);
int vIntKeyLength = WritableUtils.getVIntSize(keyLength);
ImmutableBytesPtr ptr = new ImmutableBytesPtr(data, vIntKeyLength, keyLength);
// value length
input.skip(keyLength);
int valueLength = WritableUtils.readVInt(input);
int vIntValLength = WritableUtils.getVIntSize(keyLength);
KeyValue keyValue =
KeyValueUtil.newKeyValue(ptr.get(), ptr.getOffset(), ptr.getLength(),
QueryConstants.SINGLE_COLUMN_FAMILY, QueryConstants.SINGLE_COLUMN,
QueryConstants.AGG_TIMESTAMP, data, vIntKeyLength + keyLength + vIntValLength, valueLength);
Tuple result = new SingleKeyValueTuple(keyValue);
TupleUtil.getAggregateValue(result, ptr);
KeyValueSchema schema = aggregators.getValueSchema();
ValueBitSet tempValueSet = ValueBitSet.newInstance(schema);
tempValueSet.clear();
tempValueSet.or(ptr);
int i = 0, maxOffset = ptr.getOffset() + ptr.getLength();
SingleAggregateFunction[] funcArray = aggregators.getFunctions();
Aggregator[] sAggs = new Aggregator[funcArray.length];
Boolean hasValue;
schema.iterator(ptr);
while ((hasValue = schema.next(ptr, i, maxOffset, tempValueSet)) != null) {