Developed citext support for pg_search in the paradedb/paradedb repository, enabling efficient indexing and case-insensitive querying of citext columns within PostgreSQL. The work involved implementing citext OID detection and integrating it across schema resolution, datum conversion, query construction, and Arrow ingestion, ensuring seamless handling of case-insensitive text data. A lowercase normalizer was applied to maintain citext semantics during both queries and indexing. End-to-end validation was performed on PostgreSQL 18, including manual tests for index creation and query planning to confirm index utilization. This feature was delivered using Rust and database management skills, expanding PostgreSQL compatibility for text-intensive workloads.