diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb index dd7dcb9cdd..a89886721a 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb @@ -777,7 +777,10 @@ module ActiveRecord execute schema_creation.accept(at) end - # Removes the given foreign key from the table. + # Removes the given foreign key from the table. Any options parameters provided + # will be used to re-add the foreign key in case of a migration reversion. + # It is recommended that you provide any options used when creating the foreign + # key so that the migration can be reverted properly. # # Removes the foreign key on +accounts.branch_id+. # @@ -791,6 +794,8 @@ module ActiveRecord # # remove_foreign_key :accounts, name: :special_fk_name # + # The +options+ hash can include all keys that can be used in add_foreign_key. + # Please refer to the add_foreign_key documentation for a full list def remove_foreign_key(from_table, options_or_to_table = {}) return unless supports_foreign_keys? |