diff options
Diffstat (limited to 'guides/source/active_record_migrations.md')
| -rw-r--r-- | guides/source/active_record_migrations.md | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/guides/source/active_record_migrations.md b/guides/source/active_record_migrations.md index a4a23395fb..83f4b951ee 100644 --- a/guides/source/active_record_migrations.md +++ b/guides/source/active_record_migrations.md @@ -12,7 +12,7 @@ After reading this guide, you will know: * The generators you can use to create them. * The methods Active Record provides to manipulate your database. -* The Rake tasks that manipulate migrations and your schema. +* The bin/rails tasks that manipulate migrations and your schema. * How migrations relate to `schema.rb`. -------------------------------------------------------------------------------- @@ -717,9 +717,9 @@ you will have to use `structure.sql` as dump method. See Running Migrations ------------------ -Rails provides a set of Rake tasks to run certain sets of migrations. +Rails provides a set of bin/rails tasks to run certain sets of migrations. -The very first migration related Rake task you will use will probably be +The very first migration related bin/rails task you will use will probably be `rails db:migrate`. In its most basic form it just runs the `change` or `up` method for all the migrations that have not yet been run. If there are no such migrations, it exits. It will run these migrations in order based @@ -772,7 +772,7 @@ if you need to go more than one version back, for example: $ bin/rails db:migrate:redo STEP=3 ``` -Neither of these Rake tasks do anything you could not do with `db:migrate`. They +Neither of these bin/rails tasks do anything you could not do with `db:migrate`. They are simply more convenient, since you do not need to explicitly specify the version to migrate to. @@ -784,7 +784,7 @@ it with the seed data. ### Resetting the Database The `rails db:reset` task will drop the database and set it up again. This is -functionally equivalent to `rake db:drop db:setup`. +functionally equivalent to `rails db:drop db:setup`. NOTE: This is not the same as running all the migrations. It will only use the contents of the current `db/schema.rb` or `db/structure.sql` file. If a migration can't be rolled back, @@ -809,7 +809,7 @@ Active Record believes that it has already been run. ### Running Migrations in Different Environments -By default running `rake db:migrate` will run in the `development` environment. +By default running `bin/rails db:migrate` will run in the `development` environment. To run migrations against another environment you can specify it using the `RAILS_ENV` environment variable while running the command. For example to run migrations against the `test` environment you could run: @@ -886,7 +886,7 @@ Occasionally you will make a mistake when writing a migration. If you have already run the migration then you cannot just edit the migration and run the migration again: Rails thinks it has already run the migration and so will do nothing when you run `rails db:migrate`. You must rollback the migration (for -example with `rake db:rollback`), edit your migration and then run +example with `bin/rails db:rollback`), edit your migration and then run `rails db:migrate` to run the corrected version. In general, editing existing migrations is not a good idea. You will be |