fk: `foreign_keys`, `add_foreign_key` and `remove_foreign_key` for MySQL

1 files changed, 0 insertions, 14 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb
index 724e3fa1ee..0867e5ef54 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_definitions.rb
@@ -89,20 +89,6 @@ module ActiveRecord
         attr_accessor :array
       end
 
-      class ForeignKeyDefinition < Struct.new(:from_table, :to_table, :options)
-        def name
-          options[:name]
-        end
-
-        def column
-          options[:column]
-        end
-
-        def primary_key
-          options[:primary_key]
-        end
-      end
-
       class TableDefinition < ActiveRecord::ConnectionAdapters::TableDefinition
         include ColumnMethods