virtual void getMetaInfo(ThorDataLinkMetaInfo &info) const override
{
initMetaInfo(info);
info.canReduceNumRows = true;
info.totalRowsMax = helper->getLimit();
calcMetaInfoSize(info, queryInput(0));
}
void getMetaInfo(ThorDataLinkMetaInfo &info)
{
initMetaInfo(info);
info.fastThrough = true;
info.canReduceNumRows = true;
calcMetaInfoSize(info, queryInput(0));
}
bool
FilterGraph::setInput(Speakers _spk)
{
dropChain();
return queryInput(_spk) && start.setInput(_spk) && buildChain(node_start);
}
// IThorDataLink
virtual void getMetaInfo(ThorDataLinkMetaInfo &info) override
{
initMetaInfo(info);
info.fastThrough = true; // ish
if (helper->canFilter())
info.canReduceNumRows = true;
calcMetaInfoSize(info, queryInput(0));
}
virtual void start() override
{
ActivityTimer s(totalCycles, timeActivities);
PARENT::start();
count = 0;
eof = nextPut = false;
inrowif.set(::queryRowInterfaces(queryInput(0)));
}
virtual void getMetaInfo(ThorDataLinkMetaInfo &info)
{
initMetaInfo(info);
info.canBufferInput = true;
if (helper->canFilter())
info.canReduceNumRows = true;
calcMetaInfoSize(info, queryInput(0));
}
void getMetaInfo(ThorDataLinkMetaInfo &info)
{
initMetaInfo(info);
info.isSequential = true;
info.canReduceNumRows = true;
info.canBufferInput = true;
calcMetaInfoSize(info, queryInput(0));
}
virtual void getMetaInfo(ThorDataLinkMetaInfo &info) override
{
initMetaInfo(info);
info.canReduceNumRows = true;
info.canBufferInput = false;
info.totalRowsMax = rowLimit;
calcMetaInfoSize(info, queryInput(0));
}
virtual void getMetaInfo(ThorDataLinkMetaInfo &info) const override
{
initMetaInfo(info);
if (rolloverEnabled)
{
info.isSequential = true;
info.unknownRowsOutput = true; // don't know how many rolled over
}
else
info.fastThrough = true;
calcMetaInfoSize(info, queryInput(0));
}
// IThorDataLink
virtual void start() override
{
ActivityTimer s(totalCycles, timeActivities);
PARENT::start();
bool hintunsortedoutput = getOptBool(THOROPT_UNSORTED_OUTPUT, (JFreorderable & helper->getJoinFlags()) != 0);
bool hintparallelmatch = getOptBool(THOROPT_PARALLEL_MATCH, hintunsortedoutput); // i.e. unsorted, implies use parallel by default, otherwise no point
if (helper->getJoinFlags()&JFlimitedprefixjoin)
{
CriticalBlock b(joinHelperCrit);
// use std join helper (less efficient but implements limited prefix)
joinhelper.setown(createJoinHelper(*this, helper, this, hintparallelmatch, hintunsortedoutput));
}
else
{
CriticalBlock b(joinHelperCrit);
joinhelper.setown(createSelfJoinHelper(*this, helper, this, hintparallelmatch, hintunsortedoutput));
}
strm.setown(isLightweight? doLightweightSelfJoin() : (isLocal ? doLocalSelfJoin() : doGlobalSelfJoin()));
assertex(strm);
joinhelper->init(strm, NULL, ::queryRowAllocator(queryInput(0)), ::queryRowAllocator(queryInput(0)), ::queryRowMetaData(queryInput(0)));
}
virtual void getMetaInfo(ThorDataLinkMetaInfo &info) override
{
initMetaInfo(info);
info.fastThrough = false;
calcMetaInfoSize(info, queryInput(0));
}
virtual bool isGrouped() const override { return queryInput(0)->isGrouped(); }
virtual void getMetaInfo(ThorDataLinkMetaInfo &info) override
{
queryInput(0)->getMetaInfo(info);
}
