@Override
public void merge(AggregationBuffer agg, Object partial) throws HiveException {
if (partial != null) {
SumDoubleAgg myagg = (SumDoubleAgg) agg;
myagg.empty = false;
if (isWindowingDistinct()) {
throw new HiveException(
"Distinct windowing UDAF doesn't support merge and terminatePartial");
} else {
myagg.sum += PrimitiveObjectInspectorUtils.getDouble(partial, inputOI);
}
}
}
@Override
public void iterate(AggregationBuffer agg, Object[] parameters) throws HiveException {
assert (parameters.length == 1);
try {
if (isEligibleValue((SumDoubleAgg) agg, parameters[0])) {
((SumDoubleAgg) agg).empty = false;
((SumDoubleAgg) agg).sum +=
PrimitiveObjectInspectorUtils.getDouble(parameters[0], inputOI);
}
} catch (NumberFormatException e) {
if (!warned) {
warned = true;
LOG.warn(getClass().getSimpleName() + " " + StringUtils.stringifyException(e));
LOG.warn(getClass().getSimpleName() + " ignoring similar exceptions.");
}
}
}