diff options
Diffstat (limited to 'db/migrate/20161018024215_migrate_labels_priority.rb')
-rw-r--r-- | db/migrate/20161018024215_migrate_labels_priority.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/db/migrate/20161018024215_migrate_labels_priority.rb b/db/migrate/20161018024215_migrate_labels_priority.rb new file mode 100644 index 00000000000..22bec2382f4 --- /dev/null +++ b/db/migrate/20161018024215_migrate_labels_priority.rb @@ -0,0 +1,36 @@ +class MigrateLabelsPriority < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + DOWNTIME = true + DOWNTIME_REASON = 'Prioritized labels will not work as expected until this migration is complete.' + + disable_ddl_transaction! + + def up + execute <<-EOF.strip_heredoc + INSERT INTO label_priorities (project_id, label_id, priority, created_at, updated_at) + SELECT labels.project_id, labels.id, labels.priority, NOW(), NOW() + FROM labels + WHERE labels.project_id IS NOT NULL + AND labels.priority IS NOT NULL; + EOF + end + + def down + if Gitlab::Database.mysql? + execute <<-EOF.strip_heredoc + UPDATE labels + INNER JOIN label_priorities ON labels.id = label_priorities.label_id AND labels.project_id = label_priorities.project_id + SET labels.priority = label_priorities.priority; + EOF + else + execute <<-EOF.strip_heredoc + UPDATE labels + SET priority = label_priorities.priority + FROM label_priorities + WHERE labels.id = label_priorities.label_id + AND labels.project_id = label_priorities.project_id; + EOF + end + end +end |