Module algebra 

SPARQL 1.1 Query Algebra representation.

Structs

Literal

An owned RDF literal.

NamedNode

An owned RDF IRI.

Variable

A SPARQL query owned variable.

Enums

AggregateExpression

A set function used in aggregates (c.f. GraphPattern::Group).

Expression

An expression.

Function

A function name.

GraphPattern

A SPARQL query graph pattern.

GroundTerm

The union of IRIs, literals and triples.

GroundTermPattern

The union of terms and variables without blank nodes.

JoinAlgorithm

The join algorithm used (c.f. GraphPattern::Join).

LeftJoinAlgorithm

The left join algorithm used (c.f. GraphPattern::LeftJoin).

MinusAlgorithm

The left join algorithm used (c.f. GraphPattern::Minus).

NamedNodePattern

The union of IRIs and variables.

OrderExpression

An ordering comparator used by GraphPattern::OrderBy.

PropertyPathExpression

A property path expression.