Symphony nightly migration foreign key error

CHANGELOG.md

@@ -6,6 +6,11 @@ and releases in Discovery project adheres to [Semantic Versioning](http://semver
 
 ## [Unreleased]
 
+## [3.5.7] - 2021-01-15
+
+### Fixed
+- symphony_nightly migration foreign key error [2142](https://github.com/ualbertalib/discovery/issues/2142)
+
 ## [3.5.6] - 2021-01-05
 
 ### Changed

config/application.rb

@@ -8,7 +8,7 @@
 Bundler.require(*Rails.groups)
 
 module Discovery
-  VERSION = '3.5.6'.freeze # used in application layout meta generator tag
+  VERSION = '3.5.7'.freeze # used in application layout meta generator tag
 
   class Application < Rails::Application
     # Settings in config/environments/* take precedence over those specified here.

docker-compose.lightweight.yml

@@ -12,7 +12,7 @@ volumes:
 
 services:
   mysql:
-    image: mysql:5.7
+    image: mysql:5.5 # matches staging/production
     environment:
       MYSQL_ROOT_PASSWORD: mysecretpassword
     volumes:

lib/generators/symphony_nightly/templates/update_symphony_nightly.erb

@@ -16,8 +16,8 @@ class UpdateSymphonyNightly<%= Time.now.strftime('%Y%m%d') %> < ActiveRecord::Mi
     # Creating the locations table later on without this gives errors that were
     # difficult to to make sense of.
     foreign_keys('backup_locations').each do |fkey|
+      remove_foreign_key fkey.from_table, column: fkey.options[:column]
       rename_column      fkey.from_table, fkey.options[:column], 'backup_' + fkey.options[:column]
-      remove_foreign_key fkey.from_table, fkey.to_table
       add_foreign_key    fkey.from_table, fkey.to_table
     end
 
@@ -56,8 +56,8 @@ class UpdateSymphonyNightly<%= Time.now.strftime('%Y%m%d') %> < ActiveRecord::Mi
     end
 
     foreign_keys('locations').each do |fkey|
+      remove_foreign_key fkey.from_table, column: fkey.options[:column]
       rename_column      fkey.from_table, fkey.options[:column], fkey.options[:column].gsub('backup_', '')
-      remove_foreign_key fkey.from_table, fkey.to_table
       add_foreign_key    fkey.from_table, fkey.to_table
     end