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Class: SubQuestionQueryEngine

SubQuestionQueryEngine decomposes a question into subquestions and then

Extends​

Constructors​

new SubQuestionQueryEngine()​

new SubQuestionQueryEngine(init): SubQuestionQueryEngine

Parameters​

• init

• init.queryEngineTools: BaseTool<any>[]

• init.questionGen: BaseQuestionGenerator

• init.responseSynthesizer: BaseSynthesizer

Returns​

SubQuestionQueryEngine

Overrides​

BaseQueryEngine.constructor

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:25

Properties​

metadatas​

metadatas: ToolMetadata[]

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:23

queryEngines​

queryEngines: BaseTool<any>[]

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:22

questionGen​

questionGen: BaseQuestionGenerator

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:21

responseSynthesizer​

responseSynthesizer: BaseSynthesizer

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:20

Methods​

_getPromptModules()​

protected _getPromptModules(): Record<string, any>

Return a dictionary of sub-modules within the current module that also implement PromptMixin (so that their prompts can also be get/set).

Can be blank if no sub-modules.

Returns​

Record<string, any>

Overrides​

BaseQueryEngine._getPromptModules

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:85

_getPrompts()​

protected _getPrompts(): PromptsRecord

Returns​

PromptsRecord

Overrides​

BaseQueryEngine._getPrompts

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:78

_query()​

_query(strOrQueryBundle, stream?): Promise<EngineResponse | AsyncIterable<EngineResponse, any, any>>

Parameters​

• strOrQueryBundle: QueryType

• stream?: boolean

Returns​

Promise<EngineResponse | AsyncIterable<EngineResponse, any, any>>

Overrides​

BaseQueryEngine._query

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:39

_updatePrompts()​

protected _updatePrompts(): void

Returns​

void

Overrides​

BaseQueryEngine._updatePrompts

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:82

getPrompts()​

getPrompts(): PromptsRecord

Returns​

PromptsRecord

Inherited from​

BaseQueryEngine.getPrompts

Defined in​

packages/core/prompts/dist/index.d.ts:58

query()​

query(params)​

query(params): Promise<AsyncIterable<EngineResponse, any, any>>

Parameters​

• params: StreamingQueryParams

Returns​

Promise<AsyncIterable<EngineResponse, any, any>>

Inherited from​

BaseQueryEngine.query

Defined in​

packages/core/query-engine/dist/index.d.ts:32

query(params)​

query(params): Promise<EngineResponse>

Parameters​

• params: NonStreamingQueryParams

Returns​

Promise<EngineResponse>

Inherited from​

BaseQueryEngine.query

Defined in​

packages/core/query-engine/dist/index.d.ts:33

retrieve()​

retrieve(params): Promise<NodeWithScore<Metadata>[]>

Parameters​

• params: QueryType

Returns​

Promise<NodeWithScore<Metadata>[]>

Inherited from​

BaseQueryEngine.retrieve

Defined in​

packages/core/query-engine/dist/index.d.ts:31

updatePrompts()​

updatePrompts(prompts): void

Parameters​

• prompts: PromptsRecord

Returns​

void

Inherited from​

BaseQueryEngine.updatePrompts

Defined in​

packages/core/prompts/dist/index.d.ts:59

validatePrompts()​

validatePrompts(promptsDict, moduleDict): void

Parameters​

• promptsDict: PromptsRecord

• moduleDict: ModuleRecord

Returns​

void

Inherited from​

BaseQueryEngine.validatePrompts

Defined in​

packages/core/prompts/dist/index.d.ts:57

fromDefaults()​

static fromDefaults(init): SubQuestionQueryEngine

Parameters​

• init

• init.queryEngineTools: BaseTool<any>[]

• init.questionGen?: BaseQuestionGenerator

• init.responseSynthesizer?: BaseSynthesizer

• init.serviceContext?: ServiceContext

Returns​

SubQuestionQueryEngine

Defined in​

packages/llamaindex/src/engines/query/SubQuestionQueryEngine.ts:92