During April 2025, contributed a key enhancement to the googleapis/google-cloud-go repository by expanding Spanner’s DDL capabilities. Developed support for DROP SEARCH INDEX and ALTER SEARCH INDEX statements, including the IF EXISTS clause and stored columns, within the spansql package. This work involved implementing new parsing logic and SQL generation paths in Go, focusing on backend development and compiler design principles. The changes improved the reliability and safety of schema changes by allowing conditional index alterations, streamlining database management for developers. No bugs were addressed during this period, with efforts concentrated on delivering robust new feature functionality in SQL environments.