Generate consistent names for foreign keys

1 files changed, 5 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 f905669a24..ed32997d25 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -1,4 +1,6 @@
 require 'active_record/migration/join_table'
+require 'active_support/core_ext/string/access'
+require 'digest'
 
 module ActiveRecord
   module ConnectionAdapters # :nodoc:
@@ -990,8 +992,10 @@ module ActiveRecord
       end
 
       def foreign_key_name(table_name, options) # :nodoc:
+        identifier = "#{table_name}_#{options.fetch(:column)}_fk"
+        hashed_identifier = Digest::SHA256.hexdigest(identifier).first(10)
         options.fetch(:name) do
-          "fk_rails_#{SecureRandom.hex(5)}"
+          "fk_rails_#{hashed_identifier}"
         end
       end