Test on checked sizes

src/common/row_operations/row_external.cpp

@@ -23,6 +23,7 @@ void RowOperations::SwizzleColumns(const RowLayout &layout, const data_ptr_t bas
 		data_ptr_t heap_ptr_ptr = row_ptr + layout.GetHeapOffset();
 		for (idx_t i = 0; i < next; i++) {
 			heap_row_ptrs[i] = Load<data_ptr_t>(heap_ptr_ptr);
+			static_assert(sizeof(data_ptr_t) == 8, "data_ptr_t are 8 bytes");
 			heap_ptr_ptr += row_width;
 		}
 		// Loop through the blob columns

src/common/serializer/binary_serializer.cpp

@@ -9,6 +9,7 @@ namespace duckdb {
 void BinarySerializer::OnPropertyBegin(const field_id_t field_id, const char *tag) {
 	// Just write the field id straight up
 	Write<field_id_t>(field_id);
+	static_assert(sizeof(field_id_t) == 2, "field_id_t should be 2 bytes");
 #ifdef DEBUG
 	// First of check that we are inside an object
 	if (debug_stack.empty()) {
@@ -93,6 +94,7 @@ void BinarySerializer::WriteNull() {
 
 void BinarySerializer::WriteValue(bool value) {
 	Write<uint8_t>(value);
+	static_assert(sizeof(uint8_t) == 1, "uint8_t should be 1 bytes");
 }
 
 void BinarySerializer::WriteValue(uint8_t value) {

src/transaction/duck_transaction.cpp

@@ -62,6 +62,7 @@ void DuckTransaction::PushCatalogEntry(CatalogEntry &entry, data_ptr_t extra_dat
 	auto baseptr = undo_buffer.CreateEntry(UndoFlags::CATALOG_ENTRY, alloc_size);
 	// store the pointer to the catalog entry
 	Store<CatalogEntry *>(&entry, baseptr);
+	static_assert(sizeof(CatalogEntry *) == 8, "Pointer have size 8");
 	if (extra_data_size > 0) {
 		// copy the extra data behind the catalog entry pointer (if any)
 		baseptr += sizeof(CatalogEntry *);