feat: sample recent business events

2026-09-18 21:12:05 +08:00
parent 5284206731
commit 8ce9f4e1fa
14 changed files with 68 additions and 18 deletions
--- a/internal/storage/mysql/migrations/000027_operational_event_metrics.up.sql
+++ b/internal/storage/mysql/migrations/000027_operational_event_metrics.up.sql
@@ -0,0 +1,4 @@
+-- 为固定事件类别的短窗口运行观测提供有界索引。
+-- 事件仍是不可变业务证据；索引不改变事件语义，也不引入外键或级联。
+ALTER TABLE orbit_events
+    ADD KEY ix_event_observe_type_occurred (type, occurred_at, id);