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88 lines
3.6 KiB
88 lines
3.6 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.AggregateOperation = exports.DB_AGGREGATE_COLLECTION = void 0;
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const error_1 = require("../error");
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const utils_1 = require("../utils");
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const command_1 = require("./command");
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const operation_1 = require("./operation");
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/** @internal */
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exports.DB_AGGREGATE_COLLECTION = 1;
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const MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT = 8;
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/** @internal */
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class AggregateOperation extends command_1.CommandOperation {
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constructor(ns, pipeline, options) {
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super(undefined, { ...options, dbName: ns.db });
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this.options = options ?? {};
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// Covers when ns.collection is null, undefined or the empty string, use DB_AGGREGATE_COLLECTION
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this.target = ns.collection || exports.DB_AGGREGATE_COLLECTION;
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this.pipeline = pipeline;
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// determine if we have a write stage, override read preference if so
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this.hasWriteStage = false;
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if (typeof options?.out === 'string') {
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this.pipeline = this.pipeline.concat({ $out: options.out });
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this.hasWriteStage = true;
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}
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else if (pipeline.length > 0) {
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const finalStage = pipeline[pipeline.length - 1];
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if (finalStage.$out || finalStage.$merge) {
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this.hasWriteStage = true;
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}
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}
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if (this.hasWriteStage) {
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this.trySecondaryWrite = true;
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}
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if (this.explain && this.writeConcern) {
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throw new error_1.MongoInvalidArgumentError('Option "explain" cannot be used on an aggregate call with writeConcern');
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}
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if (options?.cursor != null && typeof options.cursor !== 'object') {
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throw new error_1.MongoInvalidArgumentError('Cursor options must be an object');
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}
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}
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get canRetryRead() {
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return !this.hasWriteStage;
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}
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addToPipeline(stage) {
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this.pipeline.push(stage);
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}
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execute(server, session, callback) {
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const options = this.options;
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const serverWireVersion = (0, utils_1.maxWireVersion)(server);
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const command = { aggregate: this.target, pipeline: this.pipeline };
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if (this.hasWriteStage && serverWireVersion < MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT) {
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this.readConcern = undefined;
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}
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if (this.hasWriteStage && this.writeConcern) {
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Object.assign(command, { writeConcern: this.writeConcern });
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}
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if (options.bypassDocumentValidation === true) {
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command.bypassDocumentValidation = options.bypassDocumentValidation;
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}
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if (typeof options.allowDiskUse === 'boolean') {
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command.allowDiskUse = options.allowDiskUse;
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}
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if (options.hint) {
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command.hint = options.hint;
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}
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if (options.let) {
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command.let = options.let;
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}
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// we check for undefined specifically here to allow falsy values
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// eslint-disable-next-line no-restricted-syntax
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if (options.comment !== undefined) {
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command.comment = options.comment;
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}
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command.cursor = options.cursor || {};
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if (options.batchSize && !this.hasWriteStage) {
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command.cursor.batchSize = options.batchSize;
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}
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super.executeCommand(server, session, command, callback);
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}
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}
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exports.AggregateOperation = AggregateOperation;
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(0, operation_1.defineAspects)(AggregateOperation, [
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operation_1.Aspect.READ_OPERATION,
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operation_1.Aspect.RETRYABLE,
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operation_1.Aspect.EXPLAINABLE,
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operation_1.Aspect.CURSOR_CREATING
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]);
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//# sourceMappingURL=aggregate.js.map
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