Adds event enum column to DesignsVersions join tabledelete-designs-v2

Also adds index to support scopes and queries

This supports https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/14656

1 files changed, 27 insertions, 0 deletions

diff --git a/db/migrate/20190715140740_add_event_type_to_design_management_designs_versions.rb b/db/migrate/20190715140740_add_event_type_to_design_management_designs_versions.rb
new file mode 100644
index 00000000000..81a8b0a3271
--- /dev/null
+++ b/db/migrate/20190715140740_add_event_type_to_design_management_designs_versions.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+# This migration sets up a event enum on the DesignsVersions join table
+class AddEventTypeToDesignManagementDesignsVersions < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  # We disable these cops here because adding this column is safe. The table does not
+  # have any data in it.
+  # rubocop: disable Migration/AddIndex
+  # rubocop: disable Migration/AddColumn
+  def up
+    add_column(:design_management_designs_versions, :event, :integer,
+               limit: 2,
+               null: false,
+               default: 0)
+    add_index(:design_management_designs_versions, :event)
+  end
+
+  # rubocop: disable Migration/RemoveIndex
+  def down
+    remove_index(:design_management_designs_versions, :event)
+    remove_column(:design_management_designs_versions, :event)
+  end
+end