Macro refinery::embed_migrations

embed_migrations!() { /* proc-macro */ }

embeds sql migration files and inserts a function called runner that when called returns a Runner instance with the collected migration files

when called without arguments embed_migrations searches for migration files on a directory called migrations at the root level of your crate. if you want to specify anothe directory call embed_migrations! with it's location relative to the root level of your crate.

To be a valid migration module, it has to be named in the format V{1}__{2}.sql where {1} represents the migration version and {2} the name. For the name alphanumeric characters plus "_" are supported. the migration file must have valid sql instructions for the database you want it to run on.