How do placeholders work in Flyway?
问题 I'm evaluating Flyway for use in my project. Our current SQL scripts contain placeholders for things like URLs which will have a different domain names depending on the environment (dev, qa, prod). Specifically, we might have INSERT statements like INSERT INTO FEED VALUES ('app.${env.token}.company.org/feed1', 'My Feed'); ${env.token} needs to be replaced with 'dev', 'qa', or 'prod'. We have about 50 different properties that could potentially need replacement in SQL scripts. The properties