data-pipeline-information-system-sparql/dist/Query.V2/aggregate_filter.js

Sparql function to query/update RDF through SPARQL 1.1

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var common_1 = require("./common");
var getter_1 = __importDefault(require("../SparqlAttribute/getter"));
var AGGREGATE_KEYORD;
(function (AGGREGATE_KEYORD) {
    AGGREGATE_KEYORD["SUM"] = "SUM";
    AGGREGATE_KEYORD["AVG"] = "AVG";
    AGGREGATE_KEYORD["COUNT"] = "COUNT";
    AGGREGATE_KEYORD["MIN"] = "MIN";
    AGGREGATE_KEYORD["MAX"] = "MAX";
})(AGGREGATE_KEYORD = exports.AGGREGATE_KEYORD || (exports.AGGREGATE_KEYORD = {}));
function aggregate_filter(aggregate_keyword, arithmetic_symbol, reference, definition, json_pointer, value) {
    var incremented_definition = common_1.copy(definition);
    var _a = __assign({}, getter_1.default(reference, json_pointer)), attribute = _a.attribute, nestedPath = _a.nestedPath;
    var pointerToDefinition = incremented_definition;
    nestedPath.forEach(function (path) {
        pointerToDefinition = pointerToDefinition.subQuery[path];
    });
    var attributeName = '';
    if (attribute.reference !== undefined && attribute.reference.length > 0) {
        attributeName = '?' + attribute.name + '_pKey';
    }
    else {
        attributeName = '?' + attribute.name;
    }
    var aggregate = {
        type: 'operation',
        operator: arithmetic_symbol,
        args: [
            {
                type: 'aggregate',
                aggregation: aggregate_keyword,
                expression: attributeName,
                distinct: true
            },
            (typeof value === 'number') ? "\"" + value + "\"^^http://www.w3.org/2001/XMLSchema#decimal" : "\"" + value + "\""
        ]
    };
    pointerToDefinition.query.having = pointerToDefinition.query.having || [];
    pointerToDefinition.query.having.push(aggregate);
    return incremented_definition;
}
exports.aggregate_filter = aggregate_filter;
exports.default = aggregate_filter;
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