Express_Crud_Example/node_modules/mongodb/lib/operations/indexes.js
2022-01-28 22:33:42 +01:00

297 lines
12 KiB
JavaScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.IndexInformationOperation = exports.IndexExistsOperation = exports.ListIndexesCursor = exports.ListIndexesOperation = exports.DropIndexesOperation = exports.DropIndexOperation = exports.EnsureIndexOperation = exports.CreateIndexOperation = exports.CreateIndexesOperation = exports.IndexesOperation = void 0;
const abstract_cursor_1 = require("../cursor/abstract_cursor");
const error_1 = require("../error");
const read_preference_1 = require("../read_preference");
const utils_1 = require("../utils");
const command_1 = require("./command");
const common_functions_1 = require("./common_functions");
const execute_operation_1 = require("./execute_operation");
const operation_1 = require("./operation");
const LIST_INDEXES_WIRE_VERSION = 3;
const VALID_INDEX_OPTIONS = new Set([
'background',
'unique',
'name',
'partialFilterExpression',
'sparse',
'hidden',
'expireAfterSeconds',
'storageEngine',
'collation',
'version',
// text indexes
'weights',
'default_language',
'language_override',
'textIndexVersion',
// 2d-sphere indexes
'2dsphereIndexVersion',
// 2d indexes
'bits',
'min',
'max',
// geoHaystack Indexes
'bucketSize',
// wildcard indexes
'wildcardProjection'
]);
function makeIndexSpec(indexSpec, options) {
const indexParameters = (0, utils_1.parseIndexOptions)(indexSpec);
// Generate the index name
const name = typeof options.name === 'string' ? options.name : indexParameters.name;
// Set up the index
const finalIndexSpec = { name, key: indexParameters.fieldHash };
// merge valid index options into the index spec
for (const optionName in options) {
if (VALID_INDEX_OPTIONS.has(optionName)) {
finalIndexSpec[optionName] = options[optionName];
}
}
return finalIndexSpec;
}
/** @internal */
class IndexesOperation extends operation_1.AbstractOperation {
constructor(collection, options) {
super(options);
this.options = options;
this.collection = collection;
}
execute(server, session, callback) {
const coll = this.collection;
const options = this.options;
(0, common_functions_1.indexInformation)(coll.s.db, coll.collectionName, { full: true, ...options, readPreference: this.readPreference, session }, callback);
}
}
exports.IndexesOperation = IndexesOperation;
/** @internal */
class CreateIndexesOperation extends command_1.CommandOperation {
constructor(parent, collectionName, indexes, options) {
super(parent, options);
this.options = options !== null && options !== void 0 ? options : {};
this.collectionName = collectionName;
this.indexes = indexes;
}
execute(server, session, callback) {
const options = this.options;
const indexes = this.indexes;
const serverWireVersion = (0, utils_1.maxWireVersion)(server);
// Ensure we generate the correct name if the parameter is not set
for (let i = 0; i < indexes.length; i++) {
// Did the user pass in a collation, check if our write server supports it
if (indexes[i].collation && serverWireVersion < 5) {
callback(new error_1.MongoCompatibilityError(`Server ${server.name}, which reports wire version ${serverWireVersion}, ` +
'does not support collation'));
return;
}
if (indexes[i].name == null) {
const keys = [];
for (const name in indexes[i].key) {
keys.push(`${name}_${indexes[i].key[name]}`);
}
// Set the name
indexes[i].name = keys.join('_');
}
}
const cmd = { createIndexes: this.collectionName, indexes };
if (options.commitQuorum != null) {
if (serverWireVersion < 9) {
callback(new error_1.MongoCompatibilityError('Option `commitQuorum` for `createIndexes` not supported on servers < 4.4'));
return;
}
cmd.commitQuorum = options.commitQuorum;
}
// collation is set on each index, it should not be defined at the root
this.options.collation = undefined;
super.executeCommand(server, session, cmd, err => {
if (err) {
callback(err);
return;
}
const indexNames = indexes.map(index => index.name || '');
callback(undefined, indexNames);
});
}
}
exports.CreateIndexesOperation = CreateIndexesOperation;
/** @internal */
class CreateIndexOperation extends CreateIndexesOperation {
constructor(parent, collectionName, indexSpec, options) {
// createIndex can be called with a variety of styles:
// coll.createIndex('a');
// coll.createIndex({ a: 1 });
// coll.createIndex([['a', 1]]);
// createIndexes is always called with an array of index spec objects
super(parent, collectionName, [makeIndexSpec(indexSpec, options)], options);
}
execute(server, session, callback) {
super.execute(server, session, (err, indexNames) => {
if (err || !indexNames)
return callback(err);
return callback(undefined, indexNames[0]);
});
}
}
exports.CreateIndexOperation = CreateIndexOperation;
/** @internal */
class EnsureIndexOperation extends CreateIndexOperation {
constructor(db, collectionName, indexSpec, options) {
super(db, collectionName, indexSpec, options);
this.readPreference = read_preference_1.ReadPreference.primary;
this.db = db;
this.collectionName = collectionName;
}
execute(server, session, callback) {
const indexName = this.indexes[0].name;
const cursor = this.db.collection(this.collectionName).listIndexes({ session });
cursor.toArray((err, indexes) => {
/// ignore "NamespaceNotFound" errors
if (err && err.code !== error_1.MONGODB_ERROR_CODES.NamespaceNotFound) {
return callback(err);
}
if (indexes) {
indexes = Array.isArray(indexes) ? indexes : [indexes];
if (indexes.some(index => index.name === indexName)) {
callback(undefined, indexName);
return;
}
}
super.execute(server, session, callback);
});
}
}
exports.EnsureIndexOperation = EnsureIndexOperation;
/** @internal */
class DropIndexOperation extends command_1.CommandOperation {
constructor(collection, indexName, options) {
super(collection, options);
this.options = options !== null && options !== void 0 ? options : {};
this.collection = collection;
this.indexName = indexName;
}
execute(server, session, callback) {
const cmd = { dropIndexes: this.collection.collectionName, index: this.indexName };
super.executeCommand(server, session, cmd, callback);
}
}
exports.DropIndexOperation = DropIndexOperation;
/** @internal */
class DropIndexesOperation extends DropIndexOperation {
constructor(collection, options) {
super(collection, '*', options);
}
execute(server, session, callback) {
super.execute(server, session, err => {
if (err)
return callback(err, false);
callback(undefined, true);
});
}
}
exports.DropIndexesOperation = DropIndexesOperation;
/** @internal */
class ListIndexesOperation extends command_1.CommandOperation {
constructor(collection, options) {
super(collection, options);
this.options = options !== null && options !== void 0 ? options : {};
this.collectionNamespace = collection.s.namespace;
}
execute(server, session, callback) {
const serverWireVersion = (0, utils_1.maxWireVersion)(server);
if (serverWireVersion < LIST_INDEXES_WIRE_VERSION) {
const systemIndexesNS = this.collectionNamespace.withCollection('system.indexes');
const collectionNS = this.collectionNamespace.toString();
server.query(systemIndexesNS, { query: { ns: collectionNS } }, { ...this.options, readPreference: this.readPreference }, callback);
return;
}
const cursor = this.options.batchSize ? { batchSize: this.options.batchSize } : {};
super.executeCommand(server, session, { listIndexes: this.collectionNamespace.collection, cursor }, callback);
}
}
exports.ListIndexesOperation = ListIndexesOperation;
/** @public */
class ListIndexesCursor extends abstract_cursor_1.AbstractCursor {
constructor(collection, options) {
super((0, utils_1.getTopology)(collection), collection.s.namespace, options);
this.parent = collection;
this.options = options;
}
clone() {
return new ListIndexesCursor(this.parent, {
...this.options,
...this.cursorOptions
});
}
/** @internal */
_initialize(session, callback) {
const operation = new ListIndexesOperation(this.parent, {
...this.cursorOptions,
...this.options,
session
});
(0, execute_operation_1.executeOperation)((0, utils_1.getTopology)(this.parent), operation, (err, response) => {
if (err || response == null)
return callback(err);
// TODO: NODE-2882
callback(undefined, { server: operation.server, session, response });
});
}
}
exports.ListIndexesCursor = ListIndexesCursor;
/** @internal */
class IndexExistsOperation extends operation_1.AbstractOperation {
constructor(collection, indexes, options) {
super(options);
this.options = options;
this.collection = collection;
this.indexes = indexes;
}
execute(server, session, callback) {
const coll = this.collection;
const indexes = this.indexes;
(0, common_functions_1.indexInformation)(coll.s.db, coll.collectionName, { ...this.options, readPreference: this.readPreference, session }, (err, indexInformation) => {
// If we have an error return
if (err != null)
return callback(err);
// Let's check for the index names
if (!Array.isArray(indexes))
return callback(undefined, indexInformation[indexes] != null);
// Check in list of indexes
for (let i = 0; i < indexes.length; i++) {
if (indexInformation[indexes[i]] == null) {
return callback(undefined, false);
}
}
// All keys found return true
return callback(undefined, true);
});
}
}
exports.IndexExistsOperation = IndexExistsOperation;
/** @internal */
class IndexInformationOperation extends operation_1.AbstractOperation {
constructor(db, name, options) {
super(options);
this.options = options !== null && options !== void 0 ? options : {};
this.db = db;
this.name = name;
}
execute(server, session, callback) {
const db = this.db;
const name = this.name;
(0, common_functions_1.indexInformation)(db, name, { ...this.options, readPreference: this.readPreference, session }, callback);
}
}
exports.IndexInformationOperation = IndexInformationOperation;
(0, operation_1.defineAspects)(ListIndexesOperation, [
operation_1.Aspect.READ_OPERATION,
operation_1.Aspect.RETRYABLE,
operation_1.Aspect.CURSOR_CREATING
]);
(0, operation_1.defineAspects)(CreateIndexesOperation, [operation_1.Aspect.WRITE_OPERATION]);
(0, operation_1.defineAspects)(CreateIndexOperation, [operation_1.Aspect.WRITE_OPERATION]);
(0, operation_1.defineAspects)(EnsureIndexOperation, [operation_1.Aspect.WRITE_OPERATION]);
(0, operation_1.defineAspects)(DropIndexOperation, [operation_1.Aspect.WRITE_OPERATION]);
(0, operation_1.defineAspects)(DropIndexesOperation, [operation_1.Aspect.WRITE_OPERATION]);
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