@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
BigDecimal finalResult = BigDecimal.ZERO;
for (int i = 0; i < children.size(); i++) {
if (!children.get(i).evaluate(tuple, ptr)) {
return false;
}
if (ptr.getLength() == 0) {
return true;
}
BigDecimal value;
PDataType type = children.get(i).getDataType();
SortOrder sortOrder = children.get(i).getSortOrder();
if (type == PTimestamp.INSTANCE || type == PUnsignedTimestamp.INSTANCE) {
value = (BigDecimal) (PDecimal.INSTANCE.toObject(ptr, type, sortOrder));
} else if (type.isCoercibleTo(PDecimal.INSTANCE)) {
value =
(((BigDecimal) PDecimal.INSTANCE.toObject(ptr, sortOrder))
.multiply(QueryConstants.BD_MILLIS_IN_DAY))
.setScale(6, RoundingMode.HALF_UP);
} else if (type.isCoercibleTo(PDouble.INSTANCE)) {
value =
((BigDecimal.valueOf(type.getCodec().decodeDouble(ptr, sortOrder)))
.multiply(QueryConstants.BD_MILLIS_IN_DAY))
.setScale(6, RoundingMode.HALF_UP);
} else {
value = BigDecimal.valueOf(type.getCodec().decodeLong(ptr, sortOrder));
}
finalResult = finalResult.add(value);
}
Timestamp ts = DateUtil.getTimestamp(finalResult);
byte[] resultPtr = new byte[getDataType().getByteSize()];
PTimestamp.INSTANCE.toBytes(ts, resultPtr, 0);
ptr.set(resultPtr);
return true;
}
