First version

src/utils/serialization.cpp

@@ -0,0 +1,49 @@
+#include "utils/serialization.hpp"
+
+#include "duckdb/common/serializer/deserializer.hpp"
+#include "duckdb/common/serializer/serializer.hpp"
+
+namespace duckdb {
+namespace ui {
+
+void EmptyResult::Serialize(Serializer &) const {
+}
+
+void TokenizeResult::Serialize(Serializer &serializer) const {
+	serializer.WriteProperty(100, "offsets", offsets);
+	serializer.WriteProperty(101, "types", types);
+}
+
+// Adapted from parts of DataChunk::Serialize
+void ColumnNamesAndTypes::Serialize(Serializer &serializer) const {
+	serializer.WriteProperty(100, "names", names);
+	serializer.WriteProperty(101, "types", types);
+}
+
+// Adapted from parts of DataChunk::Serialize
+void Chunk::Serialize(Serializer &serializer) const {
+	serializer.WriteProperty(100, "row_count", row_count);
+	serializer.WriteList(101, "vectors", vectors.size(), [&](Serializer::List &list, idx_t i) {
+		list.WriteObject([&](Serializer &object) {
+			// Reference the vector to avoid potentially mutating it during serialization
+			Vector serialized_vector(vectors[i].GetType());
+			serialized_vector.Reference(vectors[i]);
+			serialized_vector.Serialize(object, row_count);
+		});
+	});
+}
+
+void SuccessResult::Serialize(Serializer &serializer) const {
+	serializer.WriteProperty(100, "success", true);
+	serializer.WriteProperty(101, "column_names_and_types", column_names_and_types);
+	serializer.WriteList(102, "chunks", chunks.size(),
+	                     [&](Serializer::List &list, idx_t i) { list.WriteElement(chunks[i]); });
+}
+
+void ErrorResult::Serialize(Serializer &serializer) const {
+	serializer.WriteProperty(100, "success", false);
+	serializer.WriteProperty(101, "error", error);
+}
+
+} // namespace ui
+} // namespace duckdb