chore: 补录 002a 诊断脚本入库,修正 git_workflow.md 1.1 节路径

2026-05-18 11:00:59 +08:00
parent 2480d4a738
commit c9e527ff5b
2 changed files with 32 additions and 1 deletions
@@ -0,0 +1,31 @@
+-- ============================================================
+-- 002a_diagnostic_episode_number.sql
+-- 诊断脚本：将 episodes.episode_number 从全局 UNIQUE 改为 (air_year, episode_number) 复合 UNIQUE
+-- 执行方式: psql -U postgres -d milsci_dev -f 002a_diagnostic_episode_number.sql
+-- 前置条件：先设 $env:PGCLIENTENCODING="UTF8"
+-- ============================================================
+
+-- 三项诊断（任一异常停下找制片人）
+SELECT
+  'total_rows'           as check_name,
+  count(*)               as value
+FROM episodes
+UNION ALL
+SELECT
+  'null_air_date'        as check_name,
+  count(*)               as value
+FROM episodes
+WHERE air_date IS NULL
+UNION ALL
+SELECT
+  'duplicate_year_epnum' as check_name,
+  count(*)               as value
+FROM (
+  SELECT
+    EXTRACT(YEAR FROM air_date)::int as air_year,
+    episode_number
+  FROM episodes
+  WHERE original_episode_id IS NULL
+  GROUP BY 1, 2
+  HAVING count(*) > 1
+) as dup;