coderfender commented on code in PR #21030:
URL: https://github.com/apache/datafusion/pull/21030#discussion_r2985713395
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datafusion-examples/examples/ffi/ffi_module_interface/src/lib.rs:
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@@ -15,36 +15,17 @@
// specific language governing permissions and limitations
// under the License.
-use abi_stable::{
- StableAbi, declare_root_module_statics,
- library::{LibraryError, RootModule},
- package_version_strings,
- sabi_types::VersionStrings,
-};
use datafusion_ffi::proto::logical_extension_codec::FFI_LogicalExtensionCodec;
use datafusion_ffi::table_provider::FFI_TableProvider;
-#[repr(C)]
-#[derive(StableAbi)]
-#[sabi(kind(Prefix(prefix_ref = TableProviderModuleRef)))]
/// This struct defines the module interfaces. It is to be shared by
/// both the module loading program and library that implements the
/// module. It is possible to move this definition into the loading
/// program and reference it in the modules, but this example shows
/// how a user may wish to separate these concerns.
+#[repr(C)]
Review Comment:
Yes `repr[c]` was my simpler approach to avoid implementing IStable trait to
support raw pointers and fn pointers
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