snapshot of https://github.com/TanStack/query.git (main, 2026-09-16; blobs > 131072B omitted)
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---
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id: experimental_streamedQuery
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title: experimental_streamedQuery
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redirect_from:
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- reference/streamedQuery
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---
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```ts
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function experimental_streamedQuery<TQueryFnData, TData, TQueryKey>(streamFn): QueryFunction<TData, TQueryKey>;
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```
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Defined in: [packages/query-core/src/streamedQuery.ts:75](https://github.com/TanStack/query/blob/main/packages/query-core/src/streamedQuery.ts#L75)
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This is a helper function to create a query function that streams data from an AsyncIterable.
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Data will be an Array of all the chunks received.
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The query will be in a 'pending' state until the first chunk of data is received, but will go to 'success' after that.
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The query will stay in fetchStatus 'fetching' until the stream ends.
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## Type Parameters
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### TQueryFnData
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`TQueryFnData` = `unknown`
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### TData
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`TData` = `TQueryFnData`[]
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### TQueryKey
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`TQueryKey` *extends* readonly `unknown`[] = readonly `unknown`[]
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## Parameters
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### streamFn
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`StreamedQueryParams`\<`TQueryFnData`, `TData`, `TQueryKey`\>
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The function that returns an AsyncIterable to stream data from.
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## Returns
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[`QueryFunction`](../type-aliases/QueryFunction.md)\<`TData`, `TQueryKey`\>
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## Example
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```ts
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await queryClient.query({
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queryKey: ['data'],
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queryFn: streamedQuery({
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streamFn: fetchDataInChunks,
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}),
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})
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```
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