CDiskCountActivityMaster(CMasterGraphElement *info) : CDiskReadMasterVF(info)
{
totalCount = 0;
totalCountKnown = false;
helper = (IHThorDiskCountArg *)queryHelper();
stopAfter = (rowcount_t)helper->getChooseNLimit();
if (!container.queryLocalOrGrouped())
mpTag = container.queryJob().allocateMPTag();
}
virtual void init()
{
CDiskReadMasterVF::init();
bool canMatch = container.queryLocalOrGrouped() || helper->canMatchAny(); // if local, assume may match
if (!canMatch)
totalCountKnown = true; // totalCount = 0;
else if (!container.queryLocalOrGrouped())
{
if (!helper->hasSegmentMonitors() && !helper->hasFilter() && !(helper->getFlags() & TDXtemporary))
{
if (file.get() && canMatch)
{
if (0 != (TDRunfilteredcount & helper->getFlags()) && file->queryAttributes().hasProp("@recordCount"))
{
totalCount = (rowcount_t)file->queryAttributes().getPropInt64("@recordCount");
if (totalCount > stopAfter)
totalCount = stopAfter;
totalCountKnown = true;
}
}
}
}
}
virtual void init()
{
CDiskReadMasterVF::init();
bool canMatch = container.queryLocalOrGrouped() || helper->canMatchAny(); // if local, assume may match
if (!canMatch)
totalCountKnown = true; // totalCount = 0;
else if (!container.queryLocalOrGrouped())
{
if (!helper->hasSegmentMonitors() && !helper->hasFilter() && !(helper->getFlags() & TDXtemporary))
{
Owned<IDistributedFile> file = queryThorFileManager().lookup(container.queryJob(), helper->getFileName(), 0 != ((TDXtemporary|TDXjobtemp) & helper->getFlags()), 0 != (TDRoptional & helper->getFlags()));
if (file.get() && canMatch)
{
if (0 != (TDRunfilteredcount & helper->getFlags()) && file->queryAttributes().hasProp("@recordCount"))
{
totalCount = (rowcount_t)file->queryAttributes().getPropInt64("@recordCount");
if (totalCount > stopAfter)
totalCount = stopAfter;
totalCountKnown = true;
}
}
}
}
}