tustvold commented on issue #1927:
URL: https://github.com/apache/arrow-rs/issues/1927#issuecomment-1164681563
`InMemoryWriteableCursor` still exists it is just deprecated? You also can
just use `std::Vec` directly
```
fn batch_to_bytes(batch: &RecordBatch) -> Result<Vec<u8>> {
let mut buffer = Vec::new();
let mut writer = ArrowWriter::try_new(&mut buffer, batch.schema(),
None)?;
writer.write(&batch)?;
writer.close()?;
Ok(buffer)
}
```
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