> ## Documentation Index > Fetch the complete documentation index at: https://docs.modelence.com/llms.txt > Use this file to discover all available pages before exploring further. # Store [API Reference](/api-reference/modelence/server/classes/../../../index) / [modelence](/api-reference/modelence/server/classes/../../index) / [server](/api-reference/modelence/server/classes/../index) / Store Defined in: [packages/modelence/src/data/store.ts:367](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L367) The Store class provides a type-safe interface for MongoDB collections with built-in schema validation and helper methods. ## Example ```ts theme={null} const dbTodos = new Store('todos', { schema: { title: schema.string(), completed: schema.boolean(), dueDate: schema.date().optional(), userId: schema.userId(), }, methods: { isOverdue() { return this.dueDate < new Date(); } } }); ``` ## Type Parameters | Type Parameter | Description | | ---------------------------------------------------------------------- | ---------------------------------------------- | | `TSchema` *extends* `ModelSchema` | The document schema type | | `TMethods` *extends* `Record`\<`string`, (`this`, ...`args`) => `any`> | Custom methods that will be added to documents | ## Constructors ### Constructor > **new Store**\<`TSchema`, `TMethods`>(`name`, `options`): `Store`\<`TSchema`, `TMethods`> Defined in: [packages/modelence/src/data/store.ts:403](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L403) Creates a new Store instance #### Parameters | Parameter | Type | Description | | ---------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------ | | `name` | `string` | The collection name in MongoDB | | `options` | \{ `indexCreationMode?`: `IndexCreationMode`; `indexes`: `IndexDescription`\[]; `methods?`: `TMethods`; `schema`: `TSchema`; `searchIndexes?`: `SearchIndexDescription`\[]; } | Store configuration (schema, indexes, methods, search indexes, and optional index creation mode) | | `options.indexCreationMode?` | `IndexCreationMode` | Whether index creation should block startup or run in background (default: 'background') | | `options.indexes` | `IndexDescription`\[] | MongoDB indexes to create | | `options.methods?` | `TMethods` | Custom methods to add to documents | | `options.schema` | `TSchema` | Document schema using Modelence schema types | | `options.searchIndexes?` | `SearchIndexDescription`\[] | MongoDB Atlas Search | #### Returns `Store`\<`TSchema`, `TMethods`> ## Properties | Property | Modifier | Type | Defined in | | -------------------- | ---------- | --------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `Doc` | `readonly` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods` | [packages/modelence/src/data/store.ts:382](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L382) | ## Methods ### aggregate() > **aggregate**(`pipeline`, `options?`): `AggregationCursor`\<`Document`> Defined in: [packages/modelence/src/data/store.ts:1147](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1147) Aggregates documents using MongoDB's aggregation framework #### Parameters | Parameter | Type | Description | | ---------- | ------------------ | ------------------------ | | `pipeline` | `Document`\[] | The aggregation pipeline | | `options?` | `AggregateOptions` | Optional options | #### Returns `AggregationCursor`\<`Document`> The aggregation cursor *** ### bulkWrite() > **bulkWrite**(`operations`): `Promise`\<`BulkWriteResult`> Defined in: [packages/modelence/src/data/store.ts:1157](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1157) Performs a bulk write operation on the collection #### Parameters | Parameter | Type | Description | | ------------ | ------------------------------------------------------------ | ------------------------- | | `operations` | `AnyBulkWriteOperation`\<`InferDocumentType`\<`TSchema`>>\[] | The operations to perform | #### Returns `Promise`\<`BulkWriteResult`> The result of the bulk write operation *** ### countDocuments() > **countDocuments**(`query`): `Promise`\<`number`> Defined in: [packages/modelence/src/data/store.ts:869](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L869) Counts the number of documents that match a query #### Parameters | Parameter | Type | Description | | --------- | ----------------------------------------------- | ----------------------------- | | `query` | `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The query to filter documents | #### Returns `Promise`\<`number`> The number of documents that match the query *** ### deleteMany() > **deleteMany**(`selector`, `options?`): `Promise`\<`DeleteResult`> Defined in: [packages/modelence/src/data/store.ts:1022](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1022) Deletes multiple documents #### Parameters | Parameter | Type | Description | | ------------------ | ----------------------------------------------- | -------------------------------------------- | | `selector` | `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the documents to delete | | `options?` | \{ `session?`: `ClientSession`; } | - | | `options.session?` | `ClientSession` | - | #### Returns `Promise`\<`DeleteResult`> The result of the delete operation *** ### deleteOne() > **deleteOne**(`selector`, `options?`): `Promise`\<`DeleteResult`> Defined in: [packages/modelence/src/data/store.ts:1009](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1009) Deletes a single document #### Parameters | Parameter | Type | Description | | ------------------ | ----------------------------------------------- | ------------------------------------------- | | `selector` | `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the document to delete | | `options?` | \{ `session?`: `ClientSession`; } | - | | `options.session?` | `ClientSession` | - | #### Returns `Promise`\<`DeleteResult`> The result of the delete operation *** ### distinct() > **distinct**\<`K`>(`key`, `filter?`, `options?`): `Promise`\<`Flatten`\<`WithId`\<`InferDocumentType`\<`TSchema`>>\[`K`]>\[]> Defined in: [packages/modelence/src/data/store.ts:1118](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1118) Returns an array of distinct values for a field across the collection #### Type Parameters | Type Parameter | | ---------------------- | | `K` *extends* `string` | #### Parameters | Parameter | Type | Description | | ---------- | ----------------------------------------------- | -------------------------------------------------------- | | `key` | `K` | The field name (supports dot notation for nested fields) | | `filter?` | `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | Optional filter to narrow the documents | | `options?` | `DistinctOptions` | Optional distinct options | #### Returns `Promise`\<`Flatten`\<`WithId`\<`InferDocumentType`\<`TSchema`>>\[`K`]>\[]> An array of distinct values *** ### extend() > **extend**\<`TExtendedSchema`, `TExtendedMethods`>(`config`): `Store`\<`TSchema` & `TExtendedSchema`, `PreserveMethodsForExtendedSchema`\<`TMethods`, `TSchema` & `TExtendedSchema`> & `TExtendedMethods`> Defined in: [packages/modelence/src/data/store.ts:506](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L506) Extends the store with additional schema fields, indexes, methods, and search indexes. Returns a new Store instance with the extended schema and updated types. Methods from the original store are preserved with updated type signatures. #### Example ```ts theme={null} // Extend the users collection export const dbUsers = baseUsersCollection.extend({ schema: { firstName: schema.string(), lastName: schema.string(), companyId: schema.objectId().optional(), }, indexes: [ { key: { companyId: 1 } }, { key: { lastName: 1, firstName: 1 } }, ], methods: { getFullName() { return `${this.firstName} ${this.lastName}`; } } }); // Now fully typed with new fields const user = await dbUsers.findOne({ firstName: 'John' }); console.log(user?.getFullName()); ``` #### Type Parameters | Type Parameter | Default type | | ------------------------------------------------------------ | ---------------------------- | | `TExtendedSchema` *extends* `ModelSchema` | - | | `TExtendedMethods` *extends* `Record`\<`string`, `Function`> | `Record`\<`string`, `never`> | #### Parameters | Parameter | Type | Description | | --------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- | | `config` | \{ `indexCreationMode?`: `IndexCreationMode`; `indexes?`: `IndexDescription`\[]; `methods?`: `TExtendedMethods`; `schema?`: `TExtendedSchema`; `searchIndexes?`: `SearchIndexDescription`\[]; } | Additional schema fields, indexes, methods, search indexes, and optional index creation mode to add | | `config.indexCreationMode?` | `IndexCreationMode` | Whether index creation should block startup or run in background | | `config.indexes?` | `IndexDescription`\[] | - | | `config.methods?` | `TExtendedMethods` | - | | `config.schema?` | `TExtendedSchema` | - | | `config.searchIndexes?` | `SearchIndexDescription`\[] | - | #### Returns `Store`\<`TSchema` & `TExtendedSchema`, `PreserveMethodsForExtendedSchema`\<`TMethods`, `TSchema` & `TExtendedSchema`> & `TExtendedMethods`> A new Store instance with the extended schema *** ### fetch() > **fetch**(`query`, `options?`): `Promise`\<`EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`\[]> Defined in: [packages/modelence/src/data/store.ts:899](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L899) Fetches multiple documents, equivalent to Node.js MongoDB driver's `find` and `toArray` methods combined. #### Example ```ts theme={null} // Include only selected fields const docs = await store.fetch( { userId: user.id }, { projection: { framework: 1, title: 1 }, sort: { createdAt: -1 }, limit: 50 } ); // Exclude large fields when not needed const chunks = await store.fetch( { documentId }, { projection: { embedding: 0 } } ); ``` #### Parameters | Parameter | Type | Description | | ---------- | ------------------------------------------------ | ----------------------------- | | `query` | `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The query to filter documents | | `options?` | `FetchOptions`\<`InferDocumentType`\<`TSchema`>> | Optional fetch options | #### Returns `Promise`\<`EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`\[]> The documents *** ### findById() > **findById**(`id`): `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> Defined in: [packages/modelence/src/data/store.ts:841](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L841) Fetches a single document by its ID #### Parameters | Parameter | Type | Description | | --------- | ---------------------- | ------------------------------ | | `id` | `string` \| `ObjectId` | The ID of the document to find | #### Returns `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> The document, or null if not found *** ### findOne() > **findOne**(`query`, `options?`): `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> Defined in: [packages/modelence/src/data/store.ts:798](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L798) Finds a single document matching the query #### Example ```ts theme={null} // ✅ Valid queries: await store.findOne({ name: 'John' }) await store.findOne({ age: { $gt: 18 } }) await store.findOne({ _id: new ObjectId('...') }) await store.findOne({ tags: { $in: ['typescript', 'mongodb'] } }) await store.findOne({ $or: [{ name: 'John' }, { name: 'Jane' }] }) await store.findOne({ 'emails.address': 'test@example.com' }) // dot notation // ❌ TypeScript error - 'id' is not in schema: await store.findOne({ id: '123' }) ``` #### Parameters | Parameter | Type | Description | | ---------- | ----------------------------------------------- | -------------------------------------------------------------------------------------------- | | `query` | `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | Type-safe query filter. Only schema fields, MongoDB operators, and dot notation are allowed. | | `options?` | `FindOptions`\<`Document`> | Find options | #### Returns `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> The document, or null if not found *** ### findOneAndDelete() > **findOneAndDelete**(`selector`, `options?`): `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> Defined in: [packages/modelence/src/data/store.ts:1057](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1057) Atomically finds a document and deletes it, returning the deleted document #### Parameters | Parameter | Type | Description | | ---------- | ------------------------------------------------------------------------- | ----------------------------------------------- | | `selector` | `string` \| `ObjectId` \| `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the document | | `options?` | `Omit`\<`FindOneAndDeleteOptions`, `"includeResultMetadata"`> | Options including `session`, `projection`, etc. | #### Returns `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> The deleted document, or null if not found *** ### findOneAndReplace() > **findOneAndReplace**(`selector`, `replacement`, `options?`): `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> Defined in: [packages/modelence/src/data/store.ts:1076](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1076) Atomically finds a document and replaces it, returning the document #### Parameters | Parameter | Type | Description | | ------------- | ------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- | | `selector` | `string` \| `ObjectId` \| `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the document | | `replacement` | `WithoutId`\<`this`\[`"_type"`]> | The replacement document | | `options?` | `Omit`\<`FindOneAndReplaceOptions`, `"includeResultMetadata"`> | Options including `returnDocument` ('before' or 'after'), `upsert`, `session`, etc. | #### Returns `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> The document (before or after replacement, depending on options), or null if not found *** ### findOneAndUpdate() > **findOneAndUpdate**(`selector`, `update`, `options?`): `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> Defined in: [packages/modelence/src/data/store.ts:1037](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1037) Atomically finds a document and updates it, returning the document #### Parameters | Parameter | Type | Description | | ---------- | ------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- | | `selector` | `string` \| `ObjectId` \| `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the document | | `update` | `UpdateFilter`\<`InferDocumentType`\<`TSchema`>> | The update to apply | | `options?` | `Omit`\<`FindOneAndUpdateOptions`, `"includeResultMetadata"`> | Options including `returnDocument` ('before' or 'after'), `upsert`, `session`, etc. | #### Returns `Promise`\<`null` | `EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> The document (before or after update, depending on options), or null if not found *** ### getDatabase() > **getDatabase**(): `Db` Defined in: [packages/modelence/src/data/store.ts:1166](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1166) Returns the raw MongoDB database instance for advanced operations #### Returns `Db` The MongoDB database instance #### Throws Error if the store is not provisioned *** ### getIndexCreationMode() > **getIndexCreationMode**(): `IndexCreationMode` Defined in: [packages/modelence/src/data/store.ts:431](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L431) #### Returns `IndexCreationMode` *** ### getName() > **getName**(): `string` Defined in: [packages/modelence/src/data/store.ts:427](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L427) #### Returns `string` *** ### insertMany() > **insertMany**(`documents`, `options?`): `Promise`\<`InsertManyResult`\<`Document`>> Defined in: [packages/modelence/src/data/store.ts:926](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L926) Inserts multiple documents #### Parameters | Parameter | Type | Description | | ------------------ | --------------------------------------------------------------- | ----------------------- | | `documents` | `OptionalUnlessRequiredId`\<`InferDocumentType`\<`TSchema`>>\[] | The documents to insert | | `options?` | \{ `session?`: `ClientSession`; } | - | | `options.session?` | `ClientSession` | - | #### Returns `Promise`\<`InsertManyResult`\<`Document`>> The result of the insert operation *** ### insertOne() > **insertOne**(`document`, `options?`): `Promise`\<`InsertOneResult`\<`Document`>> Defined in: [packages/modelence/src/data/store.ts:913](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L913) Inserts a single document #### Parameters | Parameter | Type | Description | | ------------------ | ------------------------------------------------------------ | ---------------------- | | `document` | `OptionalUnlessRequiredId`\<`InferDocumentType`\<`TSchema`>> | The document to insert | | `options?` | \{ `session?`: `ClientSession`; } | - | | `options.session?` | `ClientSession` | - | #### Returns `Promise`\<`InsertOneResult`\<`Document`>> The result of the insert operation *** ### rawCollection() > **rawCollection**(): `Collection`\<`InferDocumentType`\<`TSchema`>> Defined in: [packages/modelence/src/data/store.ts:1175](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1175) Returns the raw MongoDB collection instance for advanced operations #### Returns `Collection`\<`InferDocumentType`\<`TSchema`>> The MongoDB collection instance #### Throws Error if the store is not provisioned *** ### renameFrom() > **renameFrom**(`oldName`, `options?`): `Promise`\<`void`> Defined in: [packages/modelence/src/data/store.ts:1184](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1184) Renames an existing collection to this store's name, used for migrations #### Parameters | Parameter | Type | Description | | ------------------ | --------------------------------- | ----------------------------------- | | `oldName` | `string` | The previous name of the collection | | `options?` | \{ `session?`: `ClientSession`; } | - | | `options.session?` | `ClientSession` | - | #### Returns `Promise`\<`void`> #### Throws Error if the old collection doesn't exist or if this store's collection already exists *** ### replaceOne() > **replaceOne**(`selector`, `replacement`, `options?`): `Promise`\<`UpdateResult`\<`Document`>> Defined in: [packages/modelence/src/data/store.ts:1097](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1097) Replaces a single document #### Parameters | Parameter | Type | Description | | ------------- | ------------------------------------------------------------------------- | ------------------------------------------------------------ | | `selector` | `string` \| `ObjectId` \| `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the document to replace | | `replacement` | `WithoutId`\<`this`\[`"_type"`]> | The replacement document (must not contain update operators) | | `options?` | `ReplaceOptions` | Options including `upsert`, `session`, etc. | #### Returns `Promise`\<`UpdateResult`\<`Document`>> The result of the replace operation *** ### requireById() > **requireById**(`id`, `errorHandler?`): `Promise`\<`EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> Defined in: [packages/modelence/src/data/store.ts:853](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L853) Fetches a single document by its ID, or throws an error if not found #### Parameters | Parameter | Type | Description | | --------------- | ---------------------- | ---------------------------------------------------------------------------- | | `id` | `string` \| `ObjectId` | The ID of the document to find | | `errorHandler?` | () => `Error` | Optional error handler to return a custom error if the document is not found | #### Returns `Promise`\<`EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> The document *** ### requireOne() > **requireOne**(`query`, `options?`, `errorHandler?`): `Promise`\<`EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> Defined in: [packages/modelence/src/data/store.ts:806](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L806) #### Parameters | Parameter | Type | | --------------- | ----------------------------------------------- | | `query` | `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | | `options?` | `FindOptions`\<`Document`> | | `errorHandler?` | () => `Error` | #### Returns `Promise`\<`EnhancedOmit`\<`InferDocumentType`\<`TSchema`>, `"_id"`> & `object` & `TMethods`> *** ### updateMany() > **updateMany**(`selector`, `update`, `options?`): `Promise`\<`UpdateResult`\<`Document`>> Defined in: [packages/modelence/src/data/store.ts:973](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L973) Updates multiple documents #### Parameters | Parameter | Type | Description | | ------------------ | ------------------------------------------------ | ---------------------------------------------- | | `selector` | `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the documents to update | | `update` | `UpdateFilter`\<`InferDocumentType`\<`TSchema`>> | The MongoDB modifier to apply to the documents | | `options?` | \{ `session?`: `ClientSession`; } | - | | `options.session?` | `ClientSession` | - | #### Returns `Promise`\<`UpdateResult`\<`Document`>> The result of the update operation *** ### updateOne() > **updateOne**(`selector`, `update`, `options?`): `Promise`\<`UpdateResult`\<`Document`>> Defined in: [packages/modelence/src/data/store.ts:940](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L940) Updates a single document #### Parameters | Parameter | Type | Description | | ------------------ | ------------------------------------------------------------------------- | ------------------------------------------- | | `selector` | `string` \| `ObjectId` \| `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the document to update | | `update` | `UpdateFilter`\<`InferDocumentType`\<`TSchema`>> | The update to apply to the document | | `options?` | \{ `session?`: `ClientSession`; } | - | | `options.session?` | `ClientSession` | - | #### Returns `Promise`\<`UpdateResult`\<`Document`>> The result of the update operation *** ### upsertMany() > **upsertMany**(`selector`, `update`, `options?`): `Promise`\<`UpdateResult`\<`Document`>> Defined in: [packages/modelence/src/data/store.ts:992](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L992) Updates multiple documents, or inserts them if they don't exist #### Parameters | Parameter | Type | Description | | ------------------ | ------------------------------------------------ | ---------------------------------------------- | | `selector` | `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the documents to update | | `update` | `UpdateFilter`\<`InferDocumentType`\<`TSchema`>> | The MongoDB modifier to apply to the documents | | `options?` | \{ `session?`: `ClientSession`; } | - | | `options.session?` | `ClientSession` | - | #### Returns `Promise`\<`UpdateResult`\<`Document`>> The result of the update operation *** ### upsertOne() > **upsertOne**(`selector`, `update`, `options?`): `Promise`\<`UpdateResult`\<`Document`>> Defined in: [packages/modelence/src/data/store.ts:955](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L955) Updates a single document, or inserts it if it doesn't exist #### Parameters | Parameter | Type | Description | | ------------------ | ------------------------------------------------------------------------- | --------------------------------------------- | | `selector` | `string` \| `ObjectId` \| `TypedFilter`\<`InferDocumentType`\<`TSchema`>> | The selector to find the document to update | | `update` | `UpdateFilter`\<`InferDocumentType`\<`TSchema`>> | The MongoDB modifier to apply to the document | | `options?` | \{ `session?`: `ClientSession`; } | - | | `options.session?` | `ClientSession` | - | #### Returns `Promise`\<`UpdateResult`\<`Document`>> The result of the update operation *** ### vectorSearch() > **vectorSearch**(`params`): `Promise`\<`AggregationCursor`\<`Document`>> Defined in: [packages/modelence/src/data/store.ts:1229](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1229) Performs a vector similarity search using MongoDB Atlas Vector Search #### Example ```ts theme={null} const results = await store.vectorSearch({ field: 'embedding', embedding: [0.1, 0.2, 0.3, ...], numCandidates: 100, limit: 10, projection: { title: 1, description: 1 } }); ``` #### Parameters | Parameter | Type | Description | | ----------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------ | | `params` | \{ `embedding`: `number`\[]; `field`: `string`; `indexName?`: `string`; `limit?`: `number`; `numCandidates?`: `number`; `projection?`: `Document`; } | Vector search parameters | | `params.embedding` | `number`\[] | The query vector to search for | | `params.field` | `string` | The field name containing the vector embeddings | | `params.indexName?` | `string` | Name of index (default: field + VectorSearch) | | `params.limit?` | `number` | Maximum number of results to return (default: 10) | | `params.numCandidates?` | `number` | Number of nearest neighbors to consider (default: 100) | | `params.projection?` | `Document` | Additional fields to include in the results | #### Returns `Promise`\<`AggregationCursor`\<`Document`>> An aggregation cursor with search results and scores *** ### watch() > **watch**(`pipeline?`, `options?`): `ChangeStream` Defined in: [packages/modelence/src/data/store.ts:1136](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1136) Opens a change stream on the collection to watch for real-time changes #### Parameters | Parameter | Type | Description | | ----------- | --------------------- | --------------------------------------------------------------- | | `pipeline?` | `Document`\[] | Optional aggregation pipeline to filter/transform change events | | `options?` | `ChangeStreamOptions` | Optional change stream options | #### Returns `ChangeStream` A ChangeStream instance *** ### vectorIndex() > `static` **vectorIndex**(`params`): `object` Defined in: [packages/modelence/src/data/store.ts:1292](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1292) Creates a MongoDB Atlas Vector Search index definition #### Example ```ts theme={null} const store = new Store('documents', { schema: { title: schema.string(), embedding: schema.array(schema.number()), }, indexes: [], searchIndexes: [ Store.vectorIndex({ field: 'embedding', dimensions: 1536, similarity: 'cosine' }) ] }); ``` #### Parameters | Parameter | Type | Description | | -------------------- | ------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------- | | `params` | \{ `dimensions`: `number`; `field`: `string`; `indexName?`: `string`; `similarity?`: `"cosine"` \| `"euclidean"` \| `"dotProduct"`; } | Vector index parameters | | `params.dimensions` | `number` | The number of dimensions in the vector embeddings | | `params.field` | `string` | The field name to create the vector index on | | `params.indexName?` | `string` | Name of index (default: field + VectorSearch) | | `params.similarity?` | `"cosine"` \| `"euclidean"` \| `"dotProduct"` | The similarity metric to use (default: 'cosine') | #### Returns `object` A search index description object | Name | Type | Default value | Defined in | | ------------------- | ----------- | ---------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `definition` | `object` | - | [packages/modelence/src/data/store.ts:1306](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1306) | | `definition.fields` | `object`\[] | - | [packages/modelence/src/data/store.ts:1307](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1307) | | `name` | `string` | - | [packages/modelence/src/data/store.ts:1305](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1305) | | `type` | `string` | `'vectorSearch'` | [packages/modelence/src/data/store.ts:1304](https://github.com/modelence/modelence/blob/dcea4170315a023a7e8f0c3c5d551c26b7adecf3/packages/modelence/src/data/store.ts#L1304) |