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| -rw-r--r-- | guides/source/active_record_migrations.md | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/guides/source/active_record_migrations.md b/guides/source/active_record_migrations.md index c8a31fe7b8..1a41fc8b4c 100644 --- a/guides/source/active_record_migrations.md +++ b/guides/source/active_record_migrations.md @@ -452,6 +452,8 @@ number of digits after the decimal point. are using a dynamic value (such as a date), the default will only be calculated the first time (i.e. on the date the migration is applied). * `index` Adds an index for the column. +* `required` Adds `required: true` for `belongs_to` associations and +`null: false` to the column in the migration. Some adapters may support additional options; see the adapter specific API docs for further information. |