@jahed/sparql-engine/dist/engine/stages/rewritings.d.ts

SPARQL query engine for servers and web browsers.

import type { BgpPattern, ClearDropOperation, CopyMoveAddOperation, InsertDeleteOperation, Triple } from "sparqljs";
import Dataset from "../../rdf/dataset.ts";
/**
 * Rewrite an ADD query into a INSERT query
 * @see https://www.w3.org/TR/2013/REC-sparql11-update-20130321/#add
 * @param  addQuery - Parsed ADD query
 * @param  dataset - related RDF dataset
 * @return Rewritten ADD query
 */
export declare function rewriteAdd(addQuery: CopyMoveAddOperation, dataset: Dataset): InsertDeleteOperation;
/**
 * Rewrite a COPY query into a CLEAR + INSERT/DELETE query
 * @see https://www.w3.org/TR/2013/REC-sparql11-update-20130321/#copy
 * @param copyQuery - Parsed COPY query
 * @param dataset - related RDF dataset
 * @return Rewritten COPY query, i.e., a sequence [CLEAR query, INSERT query]
 */
export declare function rewriteCopy(copyQuery: CopyMoveAddOperation, dataset: Dataset): [ClearDropOperation, InsertDeleteOperation];
/**
 * Rewrite a MOVE query into a CLEAR + INSERT/DELETE + CLEAR query
 * @see https://www.w3.org/TR/2013/REC-sparql11-update-20130321/#move
 * @param moveQuery - Parsed MOVE query
 * @param dataset - related RDF dataset
 * @return Rewritten MOVE query, i.e., a sequence [CLEAR query, INSERT query, CLEAR query]
 */
export declare function rewriteMove(moveQuery: CopyMoveAddOperation, dataset: Dataset): [ClearDropOperation, InsertDeleteOperation, ClearDropOperation];
/**
 * Extract property paths triples and classic triples from a set of RDF triples.
 * It also performs a first rewriting of some property paths.
 * @param  bgp - Set of RDF triples
 * @return A tuple [classic triples, triples with property paths, set of variables added during rewriting]
 */
export declare function extractPropertyPaths(bgp: BgpPattern): [Triple[], Triple[]];