/*
* This method processes a block of rows in a single invocation.
*
* The inputs are retrieved via arg_reader
* The outputs are returned via arg_writer
*/
virtual void processBlock(ServerInterface &srvInterface,
BlockReader &arg_reader,
BlockWriter &res_writer)
{
// While we have inputs to process
do {
if (arg_reader.getStringRef(0).isNull()) {
res_writer.getStringRef().setNull();
}
else {
string data = arg_reader.getStringRef(0).str();
string path = arg_reader.getStringRef(1).str();
ResponseInfo response = XMLFunctions::xpath(data, path, srvInterface);
if ((int) response.size() < arg_reader.getIntRef(2)) {
res_writer.getStringRef().setNull();
} else if ((int) response.size() > 0) {
res_writer.getStringRef().copy( response[arg_reader.getIntRef(2)-1]);
} else {
res_writer.getStringRef().setNull();
}
}
res_writer.next();
} while (arg_reader.next());
}
virtual void processBlock(ServerInterface &srvInterface,
BlockReader &arg_reader,
BlockWriter &res_writer) {
if (arg_reader.getNumCols() != 1)
vt_report_error(0, "Function only accept 1 arguments, but %zu provided", arg_reader.getNumCols());
// While we have inputs to process
do {
const vint num = arg_reader.getIntRef(0);
// check for valid month number
if (num > BILLION)
vt_report_error(0, "ERROR: OUT OF RANGE");
res_writer.getStringRef().copy(spell_out(num));
res_writer.next();
} while (arg_reader.next());
}