1 files changed, 35 insertions, 0 deletions
diff --git a/db/migrate/20201124030537_create_incident_management_on_call_rotations.rb b/db/migrate/20201124030537_create_incident_management_on_call_rotations.rb
new file mode 100644
index 00000000000..18546d97fd5
--- /dev/null
+++ b/db/migrate/20201124030537_create_incident_management_on_call_rotations.rb
@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+class CreateIncidentManagementOnCallRotations < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    unless table_exists?(:incident_management_oncall_rotations)
+      with_lock_retries do
+        create_table :incident_management_oncall_rotations do |t|
+          t.timestamps_with_timezone
+          t.references :oncall_schedule, index: false, null: false, foreign_key: { to_table: :incident_management_oncall_schedules, on_delete: :cascade }
+          t.integer :length, null: false
+          t.integer :length_unit, limit: 2, null: false
+          t.datetime_with_timezone :starts_at, null: false
+          t.text :name, null: false
+
+          t.index %w(oncall_schedule_id id), name: 'index_inc_mgmnt_oncall_rotations_on_oncall_schedule_id_and_id', unique: true, using: :btree
+          t.index %w(oncall_schedule_id name), name: 'index_inc_mgmnt_oncall_rotations_on_oncall_schedule_id_and_name', unique: true, using: :btree
+        end
+      end
+    end
+
+    add_text_limit :incident_management_oncall_rotations, :name, 200
+  end
+
+  def down
+    with_lock_retries do
+      drop_table :incident_management_oncall_rotations
+    end
+  end
+end