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Class: KeywordTableIndex

The KeywordTableIndex, an index that extracts keywords from each Node and builds a mapping from each keyword to the corresponding Nodes of that keyword.

Extends​

Constructors​

new KeywordTableIndex()​

new KeywordTableIndex(init): KeywordTableIndex

Parameters​

• init: BaseIndexInit<KeywordTable>

Returns​

KeywordTableIndex

Overrides​

BaseIndex.constructor

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:155

Properties​

docStore​

docStore: BaseDocumentStore

Inherited from​

BaseIndex.docStore

Defined in​

packages/llamaindex/src/indices/BaseIndex.ts:60

indexStore?​

optional indexStore: BaseIndexStore

Inherited from​

BaseIndex.indexStore

Defined in​

packages/llamaindex/src/indices/BaseIndex.ts:61

indexStruct​

indexStruct: KeywordTable

Inherited from​

BaseIndex.indexStruct

Defined in​

packages/llamaindex/src/indices/BaseIndex.ts:62

serviceContext?​

optional serviceContext: ServiceContext

Inherited from​

BaseIndex.serviceContext

Defined in​

packages/llamaindex/src/indices/BaseIndex.ts:58

storageContext​

storageContext: StorageContext

Inherited from​

BaseIndex.storageContext

Defined in​

packages/llamaindex/src/indices/BaseIndex.ts:59

Methods​

asQueryEngine()​

asQueryEngine(options?): QueryEngine

Create a new query engine from the index. It will also create a retriever and response synthezier if they are not provided.

Parameters​

• options?

you can supply your own custom Retriever and ResponseSynthesizer

• options.nodePostprocessors?: BaseNodePostprocessor[]

• options.preFilters?: unknown

• options.responseSynthesizer?: BaseSynthesizer

• options.retriever?: BaseRetriever

Returns​

QueryEngine

Overrides​

BaseIndex.asQueryEngine

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:235

asRetriever()​

asRetriever(options?): BaseRetriever

Create a new retriever from the index.

Parameters​

• options?: any

Returns​

BaseRetriever

Overrides​

BaseIndex.asRetriever

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:224

deleteNode()​

deleteNode(nodeId): void

Parameters​

• nodeId: string

Returns​

void

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:332

deleteNodes()​

deleteNodes(nodeIds, deleteFromDocStore): Promise<void>

Parameters​

• nodeIds: string[]

• deleteFromDocStore: boolean

Returns​

Promise<void>

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:350

deleteRefDoc()​

deleteRefDoc(refDocId, deleteFromDocStore?): Promise<void>

Parameters​

• refDocId: string

• deleteFromDocStore?: boolean

Returns​

Promise<void>

Overrides​

BaseIndex.deleteRefDoc

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:364

insert()​

insert(document): Promise<void>

Insert a document into the index.

Parameters​

• document: Document<Metadata>

Returns​

Promise<void>

Inherited from​

BaseIndex.insert

Defined in​

packages/llamaindex/src/indices/BaseIndex.ts:92

insertNodes()​

insertNodes(nodes): Promise<void>

Parameters​

• nodes: BaseNode<Metadata>[]

Returns​

Promise<void>

Overrides​

BaseIndex.insertNodes

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:322

buildIndexFromNodes()​

static buildIndexFromNodes(nodes, docStore, serviceContext?): Promise<KeywordTable>

Get keywords for nodes and place them into the index.

Parameters​

• nodes: BaseNode<Metadata>[]

• docStore: BaseDocumentStore

• serviceContext?: ServiceContext

Returns​

Promise<KeywordTable>

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:305

extractKeywords()​

static extractKeywords(text, serviceContext?): Promise<Set<string>>

Parameters​

• text: string

• serviceContext?: ServiceContext

Returns​

Promise<Set<string>>

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:250

fromDocuments()​

static fromDocuments(documents, args): Promise<KeywordTableIndex>

High level API: split documents, get keywords, and build index.

Parameters​

• documents: Document<Metadata>[]

• args = {}

• args.serviceContext?: ServiceContext

• args.storageContext?: StorageContext

Returns​

Promise<KeywordTableIndex>

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:272

init()​

static init(options): Promise<KeywordTableIndex>

Parameters​

• options: KeywordIndexOptions

Returns​

Promise<KeywordTableIndex>

Defined in​

packages/llamaindex/src/indices/keyword/index.ts:159