koncorde
Version:
Supersonic reverse matching engine
52 lines • 2.14 kB
JavaScript
;
/*
* Kuzzle, a backend software, self-hostable and ready to use
* to power modern apps
*
* Copyright 2015-2021 Kuzzle
* mailto: support AT kuzzle.io
* website: http://kuzzle.io
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.MatchSelect = MatchSelect;
const Flatten_1 = require("../../util/Flatten");
/**
* Updates the matched filters according to the provided data
* O(n) with n the number of values to be tested against document fields
*
* @param {FieldOperand} operand - content of all conditions to be tested
* @param {object} testTables - test tables to update when a filter matches the document
* @param {object} document
*/
function MatchSelect(operand, testTables, document) {
for (const [key, indexMap] of operand.fields.entries()) {
if (!Array.isArray(document[key])) {
continue;
}
for (const [index, indexEngine] of indexMap.entries()) {
// If the index is negative, we need to count from the end of the array
const computedIndex = index >= 0 ? index : document[key].length + index;
if (computedIndex < 0 || computedIndex >= document[key].length) {
continue;
}
const value = document[key][computedIndex];
const matchedFilters = indexEngine.engine.match((0, Flatten_1.flattenObject)({ value }));
for (const filterId of matchedFilters) {
testTables.addMatch(indexEngine.filters.get(filterId));
}
}
}
}
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