![]() You need to load the schema definition when your application is starting up. In order to get an always-up-to-date database schema in development and test environments ![]() Documentation for schema analysis DSL can be found ( scribe remembers the current schema of the database and exposes itĪt. It is available after the schema was applied by DbSchema With #define_method for each enum value) you can use DbSchema.current_schema - it returnsĪ cached copy of the database structure as a DbSchema::Definitions::Schema object which youĬan query in different ways. If you want to analyze your database structure in any way from your app (e.g. timestamptz :updated_at end endĭatabase schema definition DSL is documented here. ![]() varchar :email, null: false, unique: true t. InstallationĪdd these lines to your application's Gemfile: That doesn't define table A then you lose that table with all the data in it.īut you would lose it even with manual migrations. Of course if you are switching from a branch that defines table A to a branch So it seamlessly changes the schema to the one defined in the branch you switched to. You need to make sure it won't get discarded so a simple git reset -hard won't do.Įvery migration or rollback loads the whole app, resulting in 10+ seconds wasted.Īnd at the end of it all you are trying to recall why did you everĭbSchema does not rely on migration files and/or schema_migrations table in the database If you already wrote some code to be committed to the new branch Then switch the branch again and migrate these down migrations. Roll back every migration up to that NO FILE,ĭiscard all changes in schema.rb/ structure.sql (and model annotations if you have any), Yeah, you must remember the oldest NO FILE migration, To a different branch only to see something like this?
0 Comments
Leave a Reply. |
Details
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |