diff options
| -rw-r--r-- | changelogs/unreleased/remove-unused-updated-by-column.yml | 5 | ||||
| -rw-r--r-- | db/migrate/20171002160123_remove_never_used_updated_by.rb | 38 |
2 files changed, 43 insertions, 0 deletions
diff --git a/changelogs/unreleased/remove-unused-updated-by-column.yml b/changelogs/unreleased/remove-unused-updated-by-column.yml new file mode 100644 index 00000000000..9a890912f4a --- /dev/null +++ b/changelogs/unreleased/remove-unused-updated-by-column.yml @@ -0,0 +1,5 @@ +--- +title: Remove never-used appearances.updated_by column +merge_request: +author: +type: fixed diff --git a/db/migrate/20171002160123_remove_never_used_updated_by.rb b/db/migrate/20171002160123_remove_never_used_updated_by.rb new file mode 100644 index 00000000000..1c1865e2ae4 --- /dev/null +++ b/db/migrate/20171002160123_remove_never_used_updated_by.rb @@ -0,0 +1,38 @@ +# See http://doc.gitlab.com/ce/development/migration_style_guide.html +# for more information on how to write migrations for GitLab. + +class RemoveNeverUsedUpdatedBy < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + # Set this constant to true if this migration requires downtime. + DOWNTIME = false + + # When a migration requires downtime you **must** uncomment the following + # constant and define a short and easy to understand explanation as to why the + # migration requires downtime. + # DOWNTIME_REASON = '' + + # When using the methods "add_concurrent_index", "remove_concurrent_index" or + # "add_column_with_default" you must disable the use of transactions + # as these methods can not run in an existing transaction. + # When using "add_concurrent_index" or "remove_concurrent_index" methods make sure + # that either of them is the _only_ method called in the migration, + # any other changes should go in a separate migration. + # This ensures that upon failure _only_ the index creation or removing fails + # and can be retried or reverted easily. + # + # To disable transactions uncomment the following line and remove these + # comments: + # disable_ddl_transaction! + + def up + return unless column_exists? :appearances, :updated_by + remove_column :appearances, :updated_by + end + + # This column may or may not have existed prior to the migration + # depending on the schema that the database was installed with. + def down + add_column :appearances, :updated_by, :integer + end +end |