Liduino Pedro developed core serialization support for LinkedLists and HashSets in SurrealDB’s query results, focusing on expanding the database’s ability to handle complex data structures. By implementing the SurrealValue and QueryResult traits in the surrealdb/surrealdb repository, Liduino enabled seamless serialization and deserialization of these collections, addressing previous limitations that required custom handling for such types. Working primarily in Rust and leveraging expertise in data structures and database development, Liduino’s contribution enhanced the expressiveness and usability of SurrealDB’s data model. The work demonstrated a focused, in-depth approach to improving native support for advanced data shapes within the database’s query system.