viirya commented on code in PR #3685:
URL: https://github.com/apache/arrow-rs/pull/3685#discussion_r1101812613
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arrow/src/ffi.rs:
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@@ -1424,31 +1443,28 @@ mod tests {
let array = make_array(Int32Array::from(vec![1, 2, 3]).into_data());
// Assume two raw pointers provided by the consumer
- let out_array = Box::new(FFI_ArrowArray::empty());
- let out_schema = Box::new(FFI_ArrowSchema::empty());
- let out_array_ptr = Box::into_raw(out_array);
- let out_schema_ptr = Box::into_raw(out_schema);
-
- unsafe {
- export_array_into_raw(array, out_array_ptr, out_schema_ptr)?;
+ let mut out_array = FFI_ArrowArray::empty();
+ let mut out_schema = FFI_ArrowSchema::empty();
+
+ {
+ let out_array_ptr = addr_of_mut!(out_array);
+ let out_schema_ptr = addr_of_mut!(out_schema);
+ unsafe {
+ export_array_into_raw(array, out_array_ptr, out_schema_ptr)?;
+ }
}
// (simulate consumer) import it
- unsafe {
- let array = ArrowArray::try_from_raw(out_array_ptr,
out_schema_ptr).unwrap();
Review Comment:
Without `try_from_raw`, how do we import raw pointers into `ArrowArray`?
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