A platform for high-performance distributed tool and library development written in C++. It can be deployed in two different cluster modes: standalone or distributed. API for v0.5.0, released on June 13, 2018.
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#include <MultiSelectionComp.h>
Public Member Functions | |
virtual pdb::Lambda< bool > | getSelection (pdb::Handle< InputClass > checkMe)=0 |
virtual pdb::Lambda < pdb::Vector< pdb::Handle < OutputClass > > > | getProjection (pdb::Handle< InputClass > checkMe)=0 |
Public Member Functions inherited from pdb::MultiSelectionCompBase< OutputClass, InputClass > | |
void | extractLambdas (std::map< std::string, GenericLambdaObjectPtr > &returnVal) override |
std::string | getComputationType () override |
ComputationTypeID | getComputationTypeID () override |
std::string | getIthInputType (int i) override |
int | getNumInputs () override |
std::string | getOutputType () override |
std::string | toTCAPString (std::vector< InputTupleSetSpecifier > &inputTupleSets, int computationLabel, std::string &outputTupleSetName, std::vector< std::string > &outputColumnNames, std::string &addedOutputColumnName) override |
std::string | toTCAPString (std::string inputTupleSetName, std::vector< std::string > &inputColumnNames, std::vector< std::string > &inputColumnsToApply, std::vector< std::string > &childrenLambdaNames, int computationLabel, std::string &outputTupleSetName, std::vector< std::string > &outputColumnNames, std::string &addedOutputColumnName, std::string &myLambdaName) |
void | setOutput (std::string dbName, std::string setName) override |
void | setBatchSize (int batchSize) override |
std::string | getDatabaseName () override |
std::string | getSetName () override |
ComputeSourcePtr | getComputeSource (TupleSpec &outputScheme, ComputePlan &plan) override |
ComputeSinkPtr | getComputeSink (TupleSpec &consumeMe, TupleSpec &projection, ComputePlan &plan) override |
bool | needsMaterializeOutput () override |
Handle< ScanUserSet < OutputClass > > & | getOutputSetScanner () |
Public Member Functions inherited from pdb::Computation | |
virtual ComputeSinkPtr | getComputeSink (TupleSpec &consumeMe, TupleSpec &whichAttsToOpOn, TupleSpec &projection, ComputePlan &plan) |
virtual SinkMergerPtr | getSinkMerger (TupleSpec &consumeMe, TupleSpec &projection, ComputePlan &plan) |
virtual SinkMergerPtr | getSinkMerger (TupleSpec &consumeMe, TupleSpec &whichAttsToOpOn, TupleSpec &projection, ComputePlan &plan) |
virtual SinkShufflerPtr | getSinkShuffler (TupleSpec &consumeMe, TupleSpec &projection, ComputePlan &plan) |
JiaNote: add below interface for shuffling multiple join map sinks for hash partitioned join. More... | |
virtual SinkShufflerPtr | getSinkShuffler (TupleSpec &consumeMe, TupleSpec &whichAttsToOpOn, TupleSpec &projection, ComputePlan &plan) |
bool | hasInput () |
Handle< Computation > & | getIthInput (int i) const |
int | getNumConsumers () |
void | setNumConsumers (int numConsumers) |
bool | setInput (Handle< Computation > toMe) |
bool | setInput (int whichSlot, Handle< Computation > toMe) |
bool | isTraversed () |
void | setTraversed (bool traversed) |
std::string | getOutputTupleSetName () |
void | setOutputTupleSetName (std::string outputTupleSetName) |
std::string | getOutputColumnToApply () |
void | setOutputColumnToApply (std::string outputColumnToApply) |
virtual bool | isUsingCombiner () |
virtual void | setUsingCombiner (bool useCombinerOrNot) |
void | setAllocatorPolicy (AllocatorPolicy myPolicy) |
void | setObjectPolicy (ObjectPolicy myPolicy) |
AllocatorPolicy | getAllocatorPolicy () |
ObjectPolicy | getObjectPolicy () |
virtual void | setCollectAsMap (bool collectAsMapOrNot) |
virtual bool | isCollectAsMap () |
virtual int | getNumNodesToCollect () |
virtual void | setNumNodesToCollect (int numNodesToCollect) |
Public Member Functions inherited from pdb::Object | |
void | setVTablePtr (void *setToMe) |
void * | getVTablePtr () |
virtual void | setUpAndCopyFrom (void *target, void *source) const |
virtual void | deleteObject (void *deleteMe) |
virtual size_t | getSize (void *ofMe) |
Additional Inherited Members | |
Static Public Member Functions inherited from pdb::Object | |
static void * | operator new (size_t sz, const std::nothrow_t &tag) |
static void * | operator new (size_t sz) |
static void | operator delete (void *me) |
static void * | operator new (std::size_t count, void *ptr) |
TODO add proper description
OutputClass | |
InputClass |
Definition at line 32 of file MultiSelectionComp.h.
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pure virtual |
the computation returned by this method is called to produce output tuples from this method
checkMe |
Implements pdb::MultiSelectionCompBase< OutputClass, InputClass >.
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pure virtual |
the computation returned by this method is called to see if a data item should be returned in the output set
checkMe |
Implements pdb::MultiSelectionCompBase< OutputClass, InputClass >.