CATCH_NEXTROW()
{
ActivityTimer t(totalCycles, timeActivities);
if (abortSoon || eof)
return NULL;
RtlDynamicRowBuilder out(queryRowAllocator());
size32_t sz = helper->clearAggregate(out);
OwnedConstThorRow row = input->nextRow();
if (row)
{
sz = helper->processFirst(out, row);
// NB: if ungrouped existsAggregate, no need to look at rest of input
if (!ungroupedExistsAggregate)
{
while (!abortSoon)
{
row.setown(input->nextRow());
if (!row)
break;
sz = helper->processNext(out, row);
}
}
if (!input->isGrouped())
eof = true;
}
else
{
eof = true;
if (input->isGrouped())
return NULL;
}
dataLinkIncrement();
return out.finalizeRowClear(sz);
}
void start()
{
ActivityTimer s(totalCycles, timeActivities);
eof = false;
input=inputs.item(0);
startInput(input);
ungroupedExistsAggregate = (container.getKind() == TAKexistsaggregate) && !input->isGrouped();
dataLinkStart();
}
void doStart()
{
hadElement = false;
inputStopped = false;
input = inputs.item(0);
startInput(input);
if (input->isGrouped())
ActPrintLog("Grouped mismatch");
}
