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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
commit81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 (patch)
tree8b959d50c5a614cbf9fcb346ed556140374d4b6d /node_modules/mongodb/lib/operations/aggregate.js
parent1870f3fdf43707a15fda0f609a021f516f45eb63 (diff)
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Diffstat (limited to 'node_modules/mongodb/lib/operations/aggregate.js')
-rw-r--r--node_modules/mongodb/lib/operations/aggregate.js106
1 files changed, 0 insertions, 106 deletions
diff --git a/node_modules/mongodb/lib/operations/aggregate.js b/node_modules/mongodb/lib/operations/aggregate.js
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--- a/node_modules/mongodb/lib/operations/aggregate.js
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@@ -1,106 +0,0 @@
-'use strict';
-
-const CommandOperationV2 = require('./command_v2');
-const MongoError = require('../core').MongoError;
-const maxWireVersion = require('../core/utils').maxWireVersion;
-const ReadPreference = require('../core').ReadPreference;
-const Aspect = require('./operation').Aspect;
-const defineAspects = require('./operation').defineAspects;
-
-const DB_AGGREGATE_COLLECTION = 1;
-const MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT = 8;
-
-class AggregateOperation extends CommandOperationV2 {
- constructor(parent, pipeline, options) {
- super(parent, options, { fullResponse: true });
-
- this.target =
- parent.s.namespace && parent.s.namespace.collection
- ? parent.s.namespace.collection
- : DB_AGGREGATE_COLLECTION;
-
- this.pipeline = pipeline;
-
- // determine if we have a write stage, override read preference if so
- this.hasWriteStage = false;
- if (typeof options.out === 'string') {
- this.pipeline = this.pipeline.concat({ $out: options.out });
- this.hasWriteStage = true;
- } else if (pipeline.length > 0) {
- const finalStage = pipeline[pipeline.length - 1];
- if (finalStage.$out || finalStage.$merge) {
- this.hasWriteStage = true;
- }
- }
-
- if (this.hasWriteStage) {
- this.readPreference = ReadPreference.primary;
- }
-
- if (options.explain && (this.readConcern || this.writeConcern)) {
- throw new MongoError(
- '"explain" cannot be used on an aggregate call with readConcern/writeConcern'
- );
- }
-
- if (options.cursor != null && typeof options.cursor !== 'object') {
- throw new MongoError('cursor options must be an object');
- }
- }
-
- get canRetryRead() {
- return !this.hasWriteStage;
- }
-
- addToPipeline(stage) {
- this.pipeline.push(stage);
- }
-
- execute(server, callback) {
- const options = this.options;
- const serverWireVersion = maxWireVersion(server);
- const command = { aggregate: this.target, pipeline: this.pipeline };
-
- if (this.hasWriteStage && serverWireVersion < MIN_WIRE_VERSION_$OUT_READ_CONCERN_SUPPORT) {
- this.readConcern = null;
- }
-
- if (serverWireVersion >= 5) {
- if (this.hasWriteStage && this.writeConcern) {
- Object.assign(command, { writeConcern: this.writeConcern });
- }
- }
-
- if (options.bypassDocumentValidation === true) {
- command.bypassDocumentValidation = options.bypassDocumentValidation;
- }
-
- if (typeof options.allowDiskUse === 'boolean') {
- command.allowDiskUse = options.allowDiskUse;
- }
-
- if (options.hint) {
- command.hint = options.hint;
- }
-
- if (options.explain) {
- options.full = false;
- command.explain = options.explain;
- }
-
- command.cursor = options.cursor || {};
- if (options.batchSize && !this.hasWriteStage) {
- command.cursor.batchSize = options.batchSize;
- }
-
- super.executeCommand(server, command, callback);
- }
-}
-
-defineAspects(AggregateOperation, [
- Aspect.READ_OPERATION,
- Aspect.RETRYABLE,
- Aspect.EXECUTE_WITH_SELECTION
-]);
-
-module.exports = AggregateOperation;