generates a knex schema createTable calls from your exisitng Postgre database. Useful when you want to start using knex for instrumenting your DB in tests for example. Sure you could just make a dump of your schema, but if you want to keep changing the DB schema you'd have to either manually change the SQL dump or you'd have to make a new dump every time. Having the DB instrumentation in JS makes it much more maintainable in the long run.
import schemaGenerator from './schema-gen'
const schemaCode = await schemaGenerator(db) // schema is a string with calls for all tables
const schemaCode = await schemaGenerator(db, 'my_uber_table') // optionally you can call with second argument to limit for just one table