Package | Description |
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com.bigdata.bop.joinGraph.rto | |
com.bigdata.rdf.sparql.ast.eval |
Modifier and Type | Class and Description |
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class |
EdgeSample
A sample produced by a cutoff join.
|
class |
VertexSample
A sample of a
Vertex (an access path). |
Modifier and Type | Field and Description |
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SampleBase |
EdgeSample.sourceSample
The source sample used to compute the cutoff join.
|
Modifier and Type | Method and Description |
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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.
|
Constructor and Description |
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EdgeSample(SampleBase sourceSample,
int inputCount,
long tuplesRead,
long sumRangeCount,
long outputCount,
long adjustedCard,
double f,
long estCard,
long estRead,
int limit,
EstimateEnum estimateEnum,
IBindingSet[] sample)
Create an object which encapsulates a sample of an edge.
|
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.
|
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