Add build eraseable columns to ci builds table

app/models/ci/build.rb

@@ -31,6 +31,9 @@
 #  artifacts_file     :text
 #  gl_project_id      :integer
 #  artifacts_metadata :text
+#  erased             :boolean          default(FALSE)
+#  erased_by_id       :integer
+#  erased_at          :datetime
 #
 
 module Ci

db/migrate/20160202091601_add_eraseable_to_ci_build.rb

+class AddEraseableToCiBuild < ActiveRecord::Migration
+  def change
+    add_column :ci_builds, :erased, :boolean, default: false
+    add_reference :ci_builds, :erased_by, references: :users, index: true
+    add_foreign_key :ci_builds, :users, column: :erased_by_id
+    add_column :ci_builds, :erased_at, :datetime
+  end
+end

db/schema.rb

@@ -129,6 +129,9 @@ ActiveRecord::Schema.define(version: 20160209130428) do
     t.text     "artifacts_file"
     t.integer  "gl_project_id"
     t.text     "artifacts_metadata"
+    t.boolean  "erased",             default: false
+    t.integer  "erased_by_id"
+    t.datetime "erased_at"
   end
 
   add_index "ci_builds", ["commit_id", "stage_idx", "created_at"], name: "index_ci_builds_on_commit_id_and_stage_idx_and_created_at", using: :btree
@@ -136,6 +139,7 @@ ActiveRecord::Schema.define(version: 20160209130428) do
   add_index "ci_builds", ["commit_id", "type", "name", "ref"], name: "index_ci_builds_on_commit_id_and_type_and_name_and_ref", using: :btree
   add_index "ci_builds", ["commit_id", "type", "ref"], name: "index_ci_builds_on_commit_id_and_type_and_ref", using: :btree
   add_index "ci_builds", ["commit_id"], name: "index_ci_builds_on_commit_id", using: :btree
+  add_index "ci_builds", ["erased_by_id"], name: "index_ci_builds_on_erased_by_id", using: :btree
   add_index "ci_builds", ["gl_project_id"], name: "index_ci_builds_on_gl_project_id", using: :btree
   add_index "ci_builds", ["project_id", "commit_id"], name: "index_ci_builds_on_project_id_and_commit_id", using: :btree
   add_index "ci_builds", ["project_id"], name: "index_ci_builds_on_project_id", using: :btree
@@ -919,4 +923,5 @@ ActiveRecord::Schema.define(version: 20160209130428) do
   add_index "web_hooks", ["created_at", "id"], name: "index_web_hooks_on_created_at_and_id", using: :btree
   add_index "web_hooks", ["project_id"], name: "index_web_hooks_on_project_id", using: :btree
 
+  add_foreign_key "ci_builds", "users", column: "erased_by_id"
 end