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Class: SimpleMongoReader

Read in from MongoDB

Implements​

Constructors​

new SimpleMongoReader()​

new SimpleMongoReader(client): SimpleMongoReader

Parameters​

• client: MongoClient

Returns​

SimpleMongoReader

Defined in​

packages/llamaindex/src/readers/SimpleMongoReader.ts:12

Methods​

loadData()​

loadData(dbName, collectionName, fieldNames, separator, filterQuery, maxDocs, metadataNames?): Promise<Document<Metadata>[]>

Loads data from MongoDB collection

Parameters​

• dbName: string

The name of the database to load.

• collectionName: string

The name of the collection to load.

• fieldNames: string[] = ...

An array of field names to retrieve from each document. Defaults to ["text"].

• separator: string = ""

The separator to join multiple field values. Defaults to an empty string.

• filterQuery: Record<string, any> = {}

Specific query, as specified by MongoDB NodeJS documentation.

• maxDocs: number = 0

The maximum number of documents to retrieve. Defaults to 0 (retrieve all documents).

• metadataNames?: string[]

An optional array of metadata field names. If specified extracts this information as metadata.

Returns​

Promise<Document<Metadata>[]>

Throws​

If a field specified in fieldNames or metadataNames is not found in a MongoDB document.

Implementation of​

BaseReader.loadData

Defined in​

packages/llamaindex/src/readers/SimpleMongoReader.ts:41