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See:
Description
Interface Summary | |
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RDFRelation | A relation, as defined in relational algebra, plus a set of NodeMakers attached to the relation, plus a set of TripleMakers attached to the NodeMakers. |
Relation | TODO Describe this type TODO Add uniqueConstraints() TODO Explicitly list tables |
RelationalOperators |
Class Summary | |
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AliasMap | A map from table names to aliases. |
AliasMap.Alias | |
Attribute | A database column. |
ColumnRenamer | Something that can rename columns in various objects. |
ColumnRenamerMap | A ColumnRenamer based on a fixed map of
original and replacement columns. |
Expression | An SQL expression. |
Join | Represents an SQL join between two tables, spanning one or more columns. |
JoinOptimizer | Removes unnecessary joins from an RDFRelation in cases
where this is possible without affecting the result. |
MutableRelation | Wraps a relation and allows it to be modified by relational operators. |
RelationImpl | |
RelationName | A relation name, including an optional schema name. |
TripleRelation | A respresentation of a d2rq:PropertyBridge, describing how a set of virtual triples are to be obtained from a database. |
UnionOverSameBase |
Implementation of an RDF-based relational algebra.
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