Allow streaming batches of data from a DataFrame #75
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This returns a new RecordBatchStream class that acts similarly to ArrowReader but record batches can be retrieved asynchronously.
jimexist
reviewed
Sep 1, 2023
jimexist
reviewed
Sep 1, 2023
jimexist
reviewed
Sep 1, 2023
jimexist
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Sep 2, 2023
jimexist
reviewed
Sep 2, 2023
jimexist
reviewed
Sep 2, 2023
jimexist
reviewed
Sep 2, 2023
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Fixes #67
This exposes the
execute_streammethod from Rust. Rather than serializing the data to the IPC format like in thecollectmethod, I've used the Arrow C Data Interface to avoid extra copying of the data. The newRecordBatchStreamclass that's returned fromexecuteStreamacts like theArrowReaderclass but with an asynchronousloadNextBatchmethod.