From f114c6b1684695f94224619e6991f81f93a70f5c Mon Sep 17 00:00:00 2001
From: lkddi <lkddi@163.com>
Date: Sun, 1 Mar 2026 14:07:42 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=EF=BC=9A=E6=96=B0=E5=A2=9E?=
 =?UTF-8?q?=E7=8B=AC=E7=AB=8B=E8=BF=81=E7=A7=BB=E5=B0=86=20reserved=5Funti?=
 =?UTF-8?q?l=20=E6=94=B9=E4=B8=BA=20nullable?=
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上次 add_type_reason 迁移已在生产跑过（无 change），
导致 permanent 类型插入 NULL 时报 1048 错误。
新建专用迁移用 DB::statement ALTER TABLE 直接生效，
绕过 doctrine/dbal ->change() 的潜在兼容问题。
---
 ...d_until_nullable_in_username_blacklist.php | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 database/migrations/2026_03_01_140713_make_reserved_until_nullable_in_username_blacklist.php

diff --git a/database/migrations/2026_03_01_140713_make_reserved_until_nullable_in_username_blacklist.php b/database/migrations/2026_03_01_140713_make_reserved_until_nullable_in_username_blacklist.php
new file mode 100644
index 0000000..553924a
--- /dev/null
+++ b/database/migrations/2026_03_01_140713_make_reserved_until_nullable_in_username_blacklist.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * 文件功能：将 username_blacklist.reserved_until 修改为可空列
+ *
+ * permanent 类型的永久禁用词无到期时间，reserved_until 必须支持 NULL。
+ * 同时用 DB::statement 直接 ALTER，确保在所有 MySQL 模式下都能生效。
+ */
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration
+{
+    /**
+     * 执行迁移：将 reserved_until 列修改为 NULL 允许。
+     */
+    public function up(): void
+    {
+        DB::statement(
+            "ALTER TABLE `username_blacklist`
+             MODIFY `reserved_until` TIMESTAMP NULL DEFAULT NULL
+             COMMENT '保留截止时间（temp 类型有效；permanent 类型为 NULL）'"
+        );
+    }
+
+    /**
+     * 回滚：恢复为 NOT NULL（会导致现有 NULL 行出错，生产慎用）。
+     */
+    public function down(): void
+    {
+        // 先把现有 NULL 行补一个兜底值，再改回 NOT NULL
+        DB::statement("UPDATE `username_blacklist` SET `reserved_until` = NOW() + INTERVAL 365 DAY WHERE `reserved_until` IS NULL");
+        DB::statement("ALTER TABLE `username_blacklist` MODIFY `reserved_until` TIMESTAMP NOT NULL");
+    }
+};