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Avoid reading the entire file in ChunkedStore #4524

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metesynnada opened this issue Dec 6, 2022 · 0 comments · Fixed by #4525
Closed

Avoid reading the entire file in ChunkedStore #4524

metesynnada opened this issue Dec 6, 2022 · 0 comments · Fixed by #4525
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enhancement New feature or request

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@metesynnada
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Is your feature request related to a problem or challenge? Please describe what you are trying to do.
The current ChunkedStoreimplementation materializes the whole data in the memory before creating the Result<Byte>stream.

https://github.com/apache/arrow-datafusion/blob/740a4fa2c6ba4b85875a433bb86e5b00435a5969/datafusion/core/src/physical_plan/file_format/chunked_store.rs#L72-L91

Describe the solution you'd like
Change the get method.

Describe alternatives you've considered
NA

Additional context
NA
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Avoid reading the entire file in ChunkedStore
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@metesynnada