Uses of Class
com.bigdata.bop.joinGraph.rto.EdgeSample

Packages that use EdgeSample

Package	Description
com.bigdata.bop.joinGraph.rto
com.bigdata.rdf.sparql.ast.eval

Uses of EdgeSample in com.bigdata.bop.joinGraph.rto

Methods in com.bigdata.bop.joinGraph.rto that return EdgeSample

Modifier and Type	Method and Description
static EdgeSample	Path.cutoffJoin(QueryEngine queryEngine, JoinGraph joinGraph, int limit, IPredicate<?>[] path, IConstraint[] constraints, boolean pathIsComplete, SampleBase sourceSample) Cutoff join of the last vertex in the join path.

Methods in com.bigdata.bop.joinGraph.rto that return types with arguments of type EdgeSample

Modifier and Type	Method and Description
Map<PathIds,EdgeSample>	JoinGraph.getSamples(IRunningQuery q) Return the samples associated with the computed join path.

Method parameters in com.bigdata.bop.joinGraph.rto with type arguments of type EdgeSample

Modifier and Type	Method and Description
Path[]	JGraph.expand(QueryEngine queryEngine, int limitIn, int round, Path[] a, Map<PathIds,EdgeSample> edgeSamples) Do one breadth first expansion.
Path[]	JGraph.pruneJoinPaths(Path[] a, Map<PathIds,EdgeSample> edgeSamples) Prune paths which are dominated by other paths.
protected int	JGraph.resamplePaths(QueryEngine queryEngine, int limitIn, int round, Path[] a, Map<PathIds,EdgeSample> edgeSamples) Resample the initial vertices for the specified join paths and then resample the cutoff join for each given join path in path order.
Path	JGraph.runtimeOptimizer(QueryEngine queryEngine, Map<PathIds,EdgeSample> edgeSamples) Find a good join path in the data given the join graph.
static String	JGraph.showPath(Path x, Map<PathIds,EdgeSample> edgeSamples) Show the details of a join path, including the estimated cardinality and join hit ratio for each step in the path.
static String	JGraph.showTable(Path[] a, Path[] pruned, Map<PathIds,EdgeSample> edgeSamples) Return a comma delimited table showing the estimated join hit ratio, the estimated cardinality, and the set of vertices for each of the specified join paths.

Constructors in com.bigdata.bop.joinGraph.rto with parameters of type EdgeSample

Constructor and Description
Path(Vertex v0, Vertex v1, EdgeSample edgeSample) Create a path from a single edge.

Uses of EdgeSample in com.bigdata.rdf.sparql.ast.eval

Methods in com.bigdata.rdf.sparql.ast.eval that return EdgeSample

Modifier and Type	Method and Description
static EdgeSample	AST2BOpRTO.cutoffJoin(QueryEngine queryEngine, JoinGraph joinGraph, int limit, IPredicate<?>[] predicates, IConstraint[] constraints, boolean pathIsComplete, SampleBase sourceSample) Cutoff join of the last vertex in the join path.