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.