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Find Documents with a Query Filter Add a query filter to find only documents which meet the query criteria. constfilteredDocs=awaitcollection.find({a:3}).toArray();console.log('Found documents filtered by { a: 3 } =>',filteredDocs); ...
Find Documents with a Query Filter Add a query filter to find only documents which meet the query criteria. constfilteredDocs=awaitcollection.find({a:3}).toArray();console.log('Found documents filtered by { a: 3 } =>',filteredDocs); ...
如果你想了解数据库操作更详细的帮助命令,可以直接使用db.help(),如下所示: db.help() DB methods: db.adminCommand(nameOrDocument) - switches to 'admin' db, and runs command [ just calls db.runCommand(...) ] db.auth(username, password) db.cloneDatabase(fromhost) db.commandHelp(name) returns...
[ dn [ ? [attributes] [ ? [scope] [ ? [filter] [ ? [Extensions] ] ] ] ] ] 如果您的查询包含属性,则 mongod 会假定该查询检索此实体所属的 DN。 如果查询不包含属性,则 mongod 假定该查询检索用户所属的所有实体。 对于查询返回的每个 LDAP DN,mongod 都会在 admin 数据库中为授权用户分配相...
withFilter public CosmosDbMongoDbApiSource withFilter(Object filter) Set the filter property: Specifies selection filter using query operators. To return all documents in a collection, omit this parameter or pass an empty document ({}). Type: string (or Expression with resultType string)...
db.getCollectionInfos([filter])-returns a list that contains the names and optionsofthe db's collections db.getCollectionNames()db.getLastError()-just returns the err msg string db.getLastErrorObj()-returnfull status object db.getLogComponents()db.getMongo()getthe server connection object ...
varquery: Filter<Product> = { _id:'aaaaaaaa-0000-1111-2222-bbbbbbbbbbbb', category:'gear-surf-surfboards'};varresponse: WithId<Product> |null=awaitcollection.findOne(query); Query documents Perform a query over multiple items in a container usingcollection.find. This query finds all items ...
Support casting from an interface to a concrete type in a filter expression -CSHARP-4572 Support for BSON Binary Vector subtype that helps make MongoDB Vector Search more efficient and easy to work with -CSHARP-5202 Support for additional methods in LINQ, such as Append, OfType, Repeat, Seq...
The following bulkWrite() example runs operations on the pizzas collection and sets a "majority" write concern with a 100 millisecond timeout: try { db.pizzas.bulkWrite( [ { updateMany: { filter: { size: "medium" }, update: { $inc: { price: 0.1 } } } }, { updateMany: { filter...