From be5a564582166c850ce2fb75713a0df6dd7bd3c0 Mon Sep 17 00:00:00 2001
From: wangzhibiao <wangzhibiao@gitlab.com>
Date: Sat, 10 Oct 2026 00:23:24 +0800
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---
 .../train/v2/012_pilot_20261010_course_resource_relation.sql   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/RuoYi-Vue/sql/train/v2/012_pilot_20261010_course_resource_relation.sql b/RuoYi-Vue/sql/train/v2/012_pilot_20261010_course_resource_relation.sql
index dde96bd71..61d631d6b 100644
--- a/RuoYi-Vue/sql/train/v2/012_pilot_20261010_course_resource_relation.sql
+++ b/RuoYi-Vue/sql/train/v2/012_pilot_20261010_course_resource_relation.sql
@@ -88,6 +88,9 @@ BEGIN
         -- 历史关联已安全迁移至 train_course_resource 规范关系表，清空旧有历史字符串以防解绑后重复恢复，
         -- 物理字段 resource_id 依然保留在 train_course 表中，满足旧系统只读与字段兼容契约。
         UPDATE public.train_course SET resource_id = NULL WHERE resource_id IS NOT NULL;
+
+        -- 对齐序列生成器游标，防止历史数据占位后自增主键产生唯一键冲突 (pk_train_course_resource)
+        PERFORM setval(pg_get_serial_sequence('public.train_course_resource', 'id'), COALESCE(MAX(id), 1)) FROM public.train_course_resource;
     END IF;
 END $$;