sunchao commented on a change in pull request #1449:
URL: https://github.com/apache/arrow-rs/pull/1449#discussion_r827672997
##########
File path: arrow/src/ffi.rs
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@@ -781,11 +781,19 @@ impl ArrowArray {
.to_string(),
));
};
- let ffi_array = (*array).clone();
- let ffi_schema = (*schema).clone();
+
+ let array_mut = array as *mut FFI_ArrowArray;
+ let schema_mut = schema as *mut FFI_ArrowSchema;
+
+ let array_data = std::ptr::replace(array_mut, FFI_ArrowArray::empty());
Review comment:
Hmm can you do this? `out_schema` and `out_array` are allocated on the
stack in this case, right?
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