Go Database Driver Mechanics

This skill should be used when the user asks to "configure a Go database connection pool", "use database/sql in Go", "set up pgxpool", "why is my Go app running out of connections", "scan rows into a Go struct", "handle sql.ErrNoRows", or writes Go code that opens, pools, queries, or scans a PostgreSQL/MySQL connection via database/sql or pgx. postgres-patterns and mysql-patterns cover the SQL/schema layer (indexes, data types, query shape); database-migrations covers schema evolution; this skill covers the Go driver/pool mechanics between your code and either one. For hotel_id-partitioned tables, apply postgres-hotel-partitioning's filtering rules to every query this ski…