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);
}
CATCH_NEXTROW()
{
ActivityTimer t(totalCycles, timeActivities);
while(!abortSoon)
{
OwnedConstThorRow row = input->nextRow();
if(!row) {
numToSkip = whichSample ? whichSample - 1 : 0;
if(anyThisGroup) {
anyThisGroup = false;
break;
}
row.setown(input->nextRow());
if(!row)
break;
}
if(numToSkip == 0) {
anyThisGroup = true;
numToSkip = numSamples - 1;
dataLinkIncrement();
return row.getClear();
}
numToSkip--;
}
return NULL;
}
