Rename closed_at to dismissed_at in vulnerabilites

db/migrate/20200226162156_rename_closed_at_to_dismissed_at_in_vulnerabilities.rb

+# frozen_string_literal: true
+
+class RenameClosedAtToDismissedAtInVulnerabilities < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    rename_column_concurrently :vulnerabilities, :closed_at, :dismissed_at
+  end
+
+  def down
+    undo_rename_column_concurrently :vulnerabilities, :closed_at, :dismissed_at
+  end
+end

db/post_migrate/20200226162239_cleanup_closed_at_rename_in_vulnerabilities.rb

+# frozen_string_literal: true
+
+class CleanupClosedAtRenameInVulnerabilities < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    cleanup_concurrent_column_rename :vulnerabilities, :closed_at, :dismissed_at
+  end
+
+  def down
+    undo_cleanup_concurrent_column_rename :vulnerabilities, :closed_at, :dismissed_at
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_02_24_163804) do
+ActiveRecord::Schema.define(version: 2020_02_26_162239) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_trgm"
@@ -4356,7 +4356,6 @@ ActiveRecord::Schema.define(version: 2020_02_24_163804) do
     t.bigint "start_date_sourcing_milestone_id"
     t.bigint "due_date_sourcing_milestone_id"
     t.bigint "closed_by_id"
-    t.datetime_with_timezone "closed_at"
     t.integer "state", limit: 2, default: 1, null: false
     t.integer "severity", limit: 2, null: false
     t.boolean "severity_overridden", default: false
@@ -4368,6 +4367,7 @@ ActiveRecord::Schema.define(version: 2020_02_24_163804) do
     t.integer "cached_markdown_version"
     t.bigint "confirmed_by_id"
     t.datetime_with_timezone "confirmed_at"
+    t.datetime_with_timezone "dismissed_at"
     t.index ["author_id"], name: "index_vulnerabilities_on_author_id"
     t.index ["closed_by_id"], name: "index_vulnerabilities_on_closed_by_id"
     t.index ["confirmed_by_id"], name: "index_vulnerabilities_on_confirmed_by_id"