refactor: use next_blob_param helper also in execute

Author: pacman82

odbc-api/src/execute.rs

@@ -109,10 +109,7 @@ where
         if need_data {
             // Check if any delayed parameters have been bound which stream data to the database at
             // statement execution time. Loops over each bound stream.
-            while let Some(blob_ptr) = stmt.param_data().into_result(&stmt)? {
-                // The safe interfaces currently exclusively bind pointers to `Blob` trait objects
-                let blob_ptr: *mut &mut dyn Blob = transmute(blob_ptr);
-                let blob_ref = &mut *blob_ptr;
+            while let Some(blob_ref) = next_blob_param(&mut stmt)? {
                 // Loop over all batches within each blob
                 while let Some(batch) = blob_ref.next_batch().map_err(Error::FailedReadingInput)? {
                     stmt.put_binary_batch(batch).into_result(&stmt)?;
@@ -194,7 +191,7 @@ unsafe fn next_blob_param<'a>(
     let maybe_ptr = stmt.param_data().into_result(stmt)?;
     if let Some(blob_ptr) = maybe_ptr {
         // The safe interfaces currently exclusively bind pointers to `Blob` trait objects
-        let blob_ptr: *mut &mut dyn Blob = unsafe { std::mem::transmute(blob_ptr) };
+        let blob_ptr: *mut &mut dyn Blob = unsafe { transmute(blob_ptr) };
         let blob_ref = unsafe { &mut *blob_ptr };
         Ok(Some(*blob_ref))
     } else {