Add migrations for productivity analytics

db/migrate/20190627100221_add_mr_productivity_metrics.rb

+# frozen_string_literal: true
+
+class AddMrProductivityMetrics < ActiveRecord::Migration[5.1]
+  DOWNTIME = false
+
+  def change
+    add_column :merge_request_metrics, :first_comment_at, :datetime_with_timezone
+    add_column :merge_request_metrics, :first_commit_at, :datetime_with_timezone
+    add_column :merge_request_metrics, :last_commit_at, :datetime_with_timezone
+    add_column :merge_request_metrics, :diff_size, :integer
+    add_column :merge_request_metrics, :modified_paths_size, :integer
+    add_column :merge_request_metrics, :commits_count, :integer
+  end
+end

db/schema.rb

@@ -1979,6 +1979,12 @@ ActiveRecord::Schema.define(version: 2019_08_02_012622) do
     t.integer "merged_by_id"
     t.integer "latest_closed_by_id"
     t.datetime_with_timezone "latest_closed_at"
+    t.datetime_with_timezone "first_comment_at"
+    t.datetime_with_timezone "first_commit_at"
+    t.datetime_with_timezone "last_commit_at"
+    t.integer "diff_size"
+    t.integer "modified_paths_size"
+    t.integer "commits_count"
     t.index ["first_deployed_to_production_at"], name: "index_merge_request_metrics_on_first_deployed_to_production_at"
     t.index ["latest_closed_at"], name: "index_merge_request_metrics_on_latest_closed_at", where: "(latest_closed_at IS NOT NULL)"
     t.index ["latest_closed_by_id"], name: "index_merge_request_metrics_on_latest_closed_by_id"