public AbstractMinMaxAggregateFunction(
ICopyEvaluatorFactory[] args, IDataOutputProvider provider, boolean isMin)
throws AlgebricksException {
out = provider.getDataOutput();
eval = args[0].createEvaluator(inputVal);
this.isMin = isMin;
}
public AbstractAvgAggregateFunction(ICopyEvaluatorFactory[] args, IDataOutputProvider output)
throws AlgebricksException {
eval = args[0].createEvaluator(inputVal);
out = output.getDataOutput();
ARecordType tmpRecType;
try {
tmpRecType =
new ARecordType(
null,
new String[] {"sum", "count"},
new IAType[] {BuiltinType.ADOUBLE, BuiltinType.AINT64},
false);
} catch (AsterixException | HyracksDataException e) {
throw new AlgebricksException(e);
}
recType = tmpRecType;
recordEval =
new ClosedRecordConstructorEval(
recType, new ICopyEvaluator[] {evalSum, evalCount}, avgBytes, out);
}