@jahed/sparql-engine/dist/operators/expressions/sparql-aggregates.d.ts

SPARQL query engine for servers and web browsers.

import type { VariableTerm } from "sparqljs";
import type { EngineTripleValue } from "../../types.ts";
type Term = EngineTripleValue;
type TermRows = {
    [key: string]: Term[];
};
/**
 * SPARQL Aggregation operations.
 * Each operation takes an arguments a SPARQL variable and a row of bindings, i.e., a list of
 * solutions bindings on which the aggregation must be applied.
 * Each operations is expected to return a term, as with classic SPARQL operations
 * @see https://www.w3.org/TR/sparql11-query/#aggregateAlgebra
 */
declare const _default: {
    count: (variable: VariableTerm, rows: TermRows) => Term;
    sum: (variable: VariableTerm, rows: TermRows) => Term;
    avg: (variable: VariableTerm, rows: TermRows) => Term;
    min: (variable: VariableTerm, rows: TermRows) => Term;
    max: (variable: VariableTerm, rows: TermRows) => Term;
    group_concat: (variable: VariableTerm, rows: TermRows, sep?: string) => Term;
    sample: (variable: VariableTerm, rows: TermRows) => Term;
};
export default _default;