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| author | Abdelkader Boudih <terminale@gmail.com> | 2015-06-12 09:17:59 +0100 |
|---|---|---|
| committer | Abdelkader Boudih <terminale@gmail.com> | 2015-06-12 09:17:59 +0100 |
| commit | 40ffcd88a6a3129d8b9eb9f4dc077d8fd00aeb54 (patch) | |
| tree | 7b35f889fdf25e6f85d5d6d331b1601ac84cc0a6 | |
| parent | 0965be14e22c4d1fd6befda4fd3efb942e0701ca (diff) | |
| parent | 95de0f01e06564bad3d598824a8cf63d3756dc98 (diff) | |
| download | rails-40ffcd88a6a3129d8b9eb9f4dc077d8fd00aeb54.tar.gz rails-40ffcd88a6a3129d8b9eb9f4dc077d8fd00aeb54.tar.bz2 rails-40ffcd88a6a3129d8b9eb9f4dc077d8fd00aeb54.zip | |
Merge pull request #20526 from y-yagi/fix_doc_about_foreign_key_name
fix doc about foreign key name [ci skip]
| -rw-r--r-- | guides/source/active_record_migrations.md | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/guides/source/active_record_migrations.md b/guides/source/active_record_migrations.md index 80b1bde1c7..ad069a112e 100644 --- a/guides/source/active_record_migrations.md +++ b/guides/source/active_record_migrations.md @@ -475,7 +475,8 @@ column names can not be derived from the table names, you can use the `:column` and `:primary_key` options. Rails will generate a name for every foreign key starting with -`fk_rails_` followed by 10 random characters. +`fk_rails_` followed by 10 character which is deterministically +generated from the `from_table` and `column`. There is a `:name` option to specify a different name if needed. NOTE: Active Record only supports single column foreign keys. `execute` and |