61 lines
2.1 KiB
JavaScript
61 lines
2.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.DistinctOperation = void 0;
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const responses_1 = require("../cmap/wire_protocol/responses");
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const command_1 = require("./command");
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const operation_1 = require("./operation");
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/**
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* Return a list of distinct values for the given key across a collection.
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* @internal
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*/
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class DistinctOperation extends command_1.CommandOperation {
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/**
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* Construct a Distinct operation.
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*
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* @param collection - Collection instance.
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* @param key - Field of the document to find distinct values for.
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* @param query - The query for filtering the set of documents to which we apply the distinct filter.
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* @param options - Optional settings. See Collection.prototype.distinct for a list of options.
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*/
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constructor(collection, key, query, options) {
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super(collection, options);
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this.SERVER_COMMAND_RESPONSE_TYPE = responses_1.MongoDBResponse;
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this.options = options ?? {};
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this.collection = collection;
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this.key = key;
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this.query = query;
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}
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get commandName() {
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return 'distinct';
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}
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buildCommandDocument(_connection) {
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const command = {
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distinct: this.collection.collectionName,
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key: this.key,
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query: this.query
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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 (this.options.comment !== undefined) {
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command.comment = this.options.comment;
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}
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if (this.options.hint != null) {
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command.hint = this.options.hint;
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}
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return command;
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}
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handleOk(response) {
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if (this.explain) {
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return response.toObject(this.bsonOptions);
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}
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return response.toObject(this.bsonOptions).values;
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}
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}
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exports.DistinctOperation = DistinctOperation;
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(0, operation_1.defineAspects)(DistinctOperation, [
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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.SUPPORTS_RAW_DATA
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]);
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//# sourceMappingURL=distinct.js.map
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