I answered your question over in Stack Overflow https://stackoverflow.com/questions/60456450/liquibase-formatted-sql-auto-generated-id/60458007#60458007
As mentioned in my comment over there - can you explain what problem you are trying to solve or what you end goal is?
Steve Donie
Principal Software Engineer
Liquibase Community Engagement
Datical, Inc. http://www.datical.com/