完善活动运营域与联调标准化

backend/migrations/0010_event_default_bindings.sql

@@ -0,0 +1,12 @@
+BEGIN;
+
+ALTER TABLE events
+ADD COLUMN current_presentation_id UUID REFERENCES event_presentations(id) ON DELETE SET NULL,
+ADD COLUMN current_content_bundle_id UUID REFERENCES content_bundles(id) ON DELETE SET NULL,
+ADD COLUMN current_runtime_binding_id UUID REFERENCES map_runtime_bindings(id) ON DELETE SET NULL;
+
+CREATE INDEX events_current_presentation_id_idx ON events(current_presentation_id);
+CREATE INDEX events_current_content_bundle_id_idx ON events(current_content_bundle_id);
+CREATE INDEX events_current_runtime_binding_id_idx ON events(current_runtime_binding_id);
+
+COMMIT;