1 files changed, 21 insertions, 0 deletions
diff --git a/db/migrate/20191003015155_add_self_managed_prometheus_alerts.rb b/db/migrate/20191003015155_add_self_managed_prometheus_alerts.rb
new file mode 100644
index 00000000000..94d16e921df
--- /dev/null
+++ b/db/migrate/20191003015155_add_self_managed_prometheus_alerts.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class AddSelfManagedPrometheusAlerts < ActiveRecord::Migration[5.2]
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  def change
+    create_table :self_managed_prometheus_alert_events do |t|
+      t.references :project, index: false, foreign_key: { on_delete: :cascade }, null: false
+      t.references :environment, index: true, foreign_key: { on_delete: :cascade }
+      t.datetime_with_timezone :started_at, null: false
+      t.datetime_with_timezone :ended_at
+
+      t.integer :status, null: false, limit: 2
+      t.string :title, null: false, limit: 255
+      t.string :query_expression, limit: 255
+      t.string :payload_key, null: false, limit: 255
+      t.index [:project_id, :payload_key], unique: true, name: 'idx_project_id_payload_key_self_managed_prometheus_alert_events'
+    end
+  end
+end