bool checkCurrentStatus(GraphX* graph1, GraphX* graph2, vector<Set_Iterator* >& currentS, int* nodesOrder, tr1::unordered_map<int, int>& selectedQueryMap)
{
NodeX* dataGraphNode = graph2->getNodeWithID(*(currentS[currentS.size()-1]->it));
NodeX* queryGraphNode = graph1->getNodeWithID(nodesOrder[currentS.size()-1]);
for(tr1::unordered_map<int, void*>::iterator iter = queryGraphNode->getEdgesIterator();iter!=queryGraphNode->getEdgesEndIterator();++iter)
{
int otherNodeID = iter->first;
EdgeX* edge = (EdgeX*)(iter->second);
if(selectedQueryMap.find(otherNodeID)==selectedQueryMap.end())
continue;
//get the data node that the current data node should be connected with
int dataNodeID = *(currentS[selectedQueryMap.find(otherNodeID)->second]->it);
//check the current graph edges, whether it has a connection to dataNodeID or not
if(!dataGraphNode->isItConnectedWithNodeID(dataNodeID, edge->getLabel()))
{
//cout<<"false"<<endl;
return false;
}
}
return true;
}
string checkCache (string httpMsg) {
string cacheItem;
string cacheKey = "";
cacheKey.append (getReqType(httpMsg));
cacheKey.append (getUri(httpMsg));
cacheKey.append (getHost(httpMsg));
// Critical Section
pthread_mutex_lock(&cacheLock);
if (cacheMap.size() != 0) {
try {
tr1::unordered_map<string,string>::const_iterator got = cacheMap.find(cacheKey);
if (got == cacheMap.end()) {
cacheItem = "";
} else {
cacheItem = got->second;
}
} catch (...) {
cacheItem = "";
}
} else {
cacheItem = "";
}
pthread_mutex_unlock(&cacheLock);
return cacheItem;
}
void insertIntoEdgeFreq(NodeX* src, int destNodeID, double destNodeLabel, double edgeLabel, tr1::unordered_map<string, void* >& edgeToFreq, bool addSrcOnly)
{
string key;
if(src->getLabel()>destNodeLabel)
{
stringstream sstmGF;
if(src->getLabel()==destNodeLabel)
sstmGF << src->getLabel()<<destNodeLabel<<","<<edgeLabel<<",";
else
sstmGF << src->getLabel()<<","<<destNodeLabel<<","<<edgeLabel<<",";
key = sstmGF.str();
}
else
{
stringstream sstmGF;
if(destNodeLabel==src->getLabel())
sstmGF <<destNodeLabel<<src->getLabel()<<","<<edgeLabel<<",";
else
sstmGF <<destNodeLabel<<","<<src->getLabel()<<","<<edgeLabel<<",";
key = sstmGF.str();
}
tr1::unordered_map<string, void* >::iterator iter = edgeToFreq.find(key);
Pattern* pattern;
if(iter==edgeToFreq.end())
{
GraphX* graph = new GraphX();
NodeX* node1 = graph->AddNode(0, src->getLabel());
NodeX* node2 = graph->AddNode(1, destNodeLabel);
graph->addEdge(node1, node2, edgeLabel);
pattern = new Pattern(graph);
delete graph;
edgeToFreq[key] = pattern;
}
else
{
pattern = (Pattern*)((*iter).second);
}
if(pattern->getGraph()->getNodeWithID(0)->getLabel()==src->getLabel())
{
pattern->addNode(src->getID(), 0);
if(!addSrcOnly) pattern->addNode(destNodeID, 1);
}
else
{
pattern->addNode(src->getID(), 1);
if(!addSrcOnly) pattern->addNode(destNodeID, 0);
}
}
/**
* load a graph from the given string. string should follow the .lg format
*/
bool GraphX::loadFromString(string data, tr1::unordered_map<string, void* >& edgeToFreq)
{
CL.clear();
istringstream str(data);
bool b = parseData(str, edgeToFreq);
//destruct data in the 'edgeToFreq' structure
for(tr1::unordered_map<string, void* >::iterator iter = edgeToFreq.begin();iter!=edgeToFreq.end();iter++)
{
delete ((Pattern*)iter->second);
}
edgeToFreq.clear();
if(!b)
return false;
return true;
}
bool LBIDList::GetMinMax(int64_t *min, int64_t *max, int64_t *seq,
int64_t lbid, const tr1::unordered_map<int64_t, BRM::EMEntry> &entries,
execplan::CalpontSystemCatalog::ColDataType colDataType)
{
tr1::unordered_map<int64_t, BRM::EMEntry>::const_iterator it = entries.find(lbid);
if (it == entries.end())
return false;
const BRM::EMEntry &entry = it->second;
if (entry.partition.cprange.isValid != BRM::CP_VALID) {
MinMaxPartition *mmp;
mmp = new MinMaxPartition();
mmp->lbid = lbid;
mmp->lbidmax = lbid + (entry.range.size * 1024);
mmp->seq = entry.partition.cprange.sequenceNum;
if (isUnsigned(colDataType))
{
mmp->max = 0;
mmp->min = static_cast<int64_t>(numeric_limits<uint64_t>::max());
}
else
{
mmp->max = numeric_limits<int64_t>::min();
mmp->min = numeric_limits<int64_t>::max();
}
mmp->isValid = entry.partition.cprange.isValid;
mmp->blksScanned = 0;
lbidPartitionVector.push_back(mmp);
return false;
}
*min = entry.partition.cprange.lo_val;
*max = entry.partition.cprange.hi_val;
*seq = entry.partition.cprange.sequenceNum;
return true;
}