### Version 1.29.0 ### What happened?  The mysql driver is converted normally. Found this issue only on pgsql. ### Relevant log output ```shell ``` ### Database schema ```sql CREATE TABLE users( id BIGSERIAL PRIMARY KEY, username text NOT NULL UNIQUE, password text NOT NULL, created_at timestamp NOT NULL DEFAULT NOW() ); ``` ### SQL queries ```sql ``` ### Configuration ```yaml ``` ### Playground URL https://play.sqlc.dev/p/ade9f663d29b7e6545cccfdc9a2e6f4f322d3c71b8ebfb6e98c46e2c0f0c5d1c ### What operating system are you using? Windows ### What database engines are you using? PostgreSQL ### What type of code are you generating? Go