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| -rw-r--r-- | guides/source/association_basics.md | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/guides/source/association_basics.md b/guides/source/association_basics.md index 498bc449d2..abac54d22d 100644 --- a/guides/source/association_basics.md +++ b/guides/source/association_basics.md @@ -146,14 +146,15 @@ class CreateSuppliers < ActiveRecord::Migration end ``` -If you happen to want to create a unique index with foreign key constraint... -Then I would suggest using this for creating the accounts table instead: +Depending on the use case, you might also need to create a unique index and/or +a foreign key constraint on the supplier column for the accounts table. In this +case, the column definition might look like this: ```ruby - create_table :accounts do |t| - t.belongs_to :supplier, index: true, unique: true, foreign_key: true - # ... - end +create_table :accounts do |t| + t.belongs_to :supplier, index: true, unique: true, foreign_key: true + # ... +end ``` ### The `has_many` Association |