aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/lib/active_record/connection_adapters
diff options
context:
space:
mode:
authorRich <jychen7@users.noreply.github.com>2018-08-06 14:00:22 +0800
committerRich <jychen7@users.noreply.github.com>2018-08-14 21:52:11 +0800
commit6b9948c85e174b77b4e4e4a904c2b6fcf1083628 (patch)
tree19b6ae0b19077d92c4f5faf6f1ccaa9f876fea22 /activerecord/lib/active_record/connection_adapters
parentffc4703f22888dce0394fe0ab524a9e6cdc3c7e5 (diff)
downloadrails-6b9948c85e174b77b4e4e4a904c2b6fcf1083628.tar.gz
rails-6b9948c85e174b77b4e4e4a904c2b6fcf1083628.tar.bz2
rails-6b9948c85e174b77b4e4e4a904c2b6fcf1083628.zip
Allow `to_table` in `invert_remove_foreign_key`
remove_foreign_key supports - remove_foreign_key :accounts, :branches - remove_foreign_key :accounts, to_table: :branches but the second one is not reversible. This branch is to fix and allow second one to be reversible. [Nikolay Epifanov, Rich Chen]
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters')
-rw-r--r--activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb9
1 files changed, 8 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 3be0906f2a..fd9bf48ab5 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -980,11 +980,18 @@ module ActiveRecord
#
# remove_foreign_key :accounts, column: :owner_id
#
+ # Removes the foreign key on +accounts.owner_id+. in a reversible manner
+ #
+ # remove_foreign_key :accounts, column: :owner_id, to_table: :owners
+ #
# Removes the foreign key named +special_fk_name+ on the +accounts+ table.
#
# remove_foreign_key :accounts, name: :special_fk_name
#
- # The +options+ hash accepts the same keys as SchemaStatements#add_foreign_key.
+ # The +options+ hash accepts the same keys as SchemaStatements#add_foreign_key
+ # with an addition of
+ # [<tt>:to_table</tt>]
+ # The table contains the referenced primary key.
def remove_foreign_key(from_table, options_or_to_table = {})
return unless supports_foreign_keys?