Module com.darkcollective.relix.processor

Package com.darkcollective.relix.processor.provenance

package com.darkcollective.relix.processor.provenance

A relation annotated over a semiring, as Relation.provenance returns it.

AnnotatedRelation is the rows, each an Annotated pairing a row with its annotation: its lineage, its count, its cost, as the semiring defines.

Related Packages

Package	Description
com.darkcollective.relix.processor	Row: one row of a result, a tuple of Values read by position or by column name.
com.darkcollective.relix.processor.provenance.internal	The engine-side machinery behind com.darkcollective.relix.processor.provenance: not exported by the published artifact.
com.darkcollective.relix.processor.connector	The connector provider interface, and connector plugin provisioning.
com.darkcollective.relix.processor.eval	Scalar expression and predicate evaluation for query execution.
com.darkcollective.relix.processor.exec	Execution operators for the relix processor.
com.darkcollective.relix.processor.generator	Generator relations — leaf relations whose rows are produced by engine code rather than read from a file or database.
com.darkcollective.relix.processor.internal	The engine-side machinery behind com.darkcollective.relix.processor: not exported by the published artifact.

Class	Description
Annotated<K>	A tuple paired with its provenance annotation — the side-channel carrier of the K-relation model.
AnnotatedRelation<K>	A K-relation: a relation in which every distinct tuple carries an annotation drawn from a Semiring (after Green, Karvounarakis & Tannen, PODS 2007).