Writes the migration of the table where Masu.Views.Ecto keeps
people's views of grids.
$ mix masu.gen.views
$ mix masu.gen.views --table grid_views --migrations-path priv/other_repo/migrations
Then run mix ecto.migrate.
Options
--table- the table's name,masu_viewsunless given (pass the sametabletouse Masu.Views.Ecto).--migrations-path- where to write it,priv/repo/migrationsunless given.