@jahed/sparql-engine/dist/utils/sparql.d.ts

SPARQL query engine for servers and web browsers.

import type { EngineTriple, EngineVariable } from "../types.ts";
/**
 * Get the set of SPARQL variables in a triple pattern
 * @param  pattern - Triple Pattern
 * @return The set of SPARQL variables in the triple pattern
 */
export declare function variablesFromPattern(pattern: EngineTriple): EngineVariable[];
/**
 * Perform a join ordering of a set of triple pattern, i.e., a BGP.
 * Sort pattern such as they creates a valid left linear tree without cartesian products (unless it's required to evaluate the BGP)
 * @param  patterns - Set of triple pattern
 * @return Order set of triple patterns
 */
export declare function leftLinearJoinOrdering(patterns: EngineTriple[]): EngineTriple[];