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2026-06-20 14:22:31 +08:00
commit c2498911ab
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+-- 邮箱订阅 AFF 优惠码支持
+-- 1. 创建邮箱订阅与优惠码绑定表
+-- 2. 在 AFF 日志表添加邮箱订阅关联字段
+
+-- 创建邮箱订阅 AFF 绑定表
+CREATE TABLE "mail_subscription_aff_bindings" (
+    "id" SERIAL NOT NULL,
+    "mail_subscription_id" INTEGER NOT NULL,
+    "aff_code_id" INTEGER NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "mail_subscription_aff_bindings_pkey" PRIMARY KEY ("id")
+);
+
+-- 创建唯一索引（一个订阅只能绑定一个优惠码）
+CREATE UNIQUE INDEX "mail_subscription_aff_bindings_mail_subscription_id_key" ON "mail_subscription_aff_bindings"("mail_subscription_id");
+
+-- 创建优惠码索引
+CREATE INDEX "mail_subscription_aff_bindings_aff_code_id_idx" ON "mail_subscription_aff_bindings"("aff_code_id");
+
+-- 添加外键约束
+ALTER TABLE "mail_subscription_aff_bindings" ADD CONSTRAINT "mail_subscription_aff_bindings_mail_subscription_id_fkey" FOREIGN KEY ("mail_subscription_id") REFERENCES "mail_subscriptions"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+ALTER TABLE "mail_subscription_aff_bindings" ADD CONSTRAINT "mail_subscription_aff_bindings_aff_code_id_fkey" FOREIGN KEY ("aff_code_id") REFERENCES "aff_codes"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- 在 AFF 日志表添加邮箱订阅关联字段
+ALTER TABLE "aff_logs" ADD COLUMN "mail_subscription_id" INTEGER;
+
+-- 创建邮箱订阅索引
+CREATE INDEX "aff_logs_mail_subscription_id_idx" ON "aff_logs"("mail_subscription_id");
+
+-- 添加外键约束（允许级联设置为 NULL）
+ALTER TABLE "aff_logs" ADD CONSTRAINT "aff_logs_mail_subscription_id_fkey" FOREIGN KEY ("mail_subscription_id") REFERENCES "mail_subscriptions"("id") ON DELETE SET NULL ON UPDATE CASCADE;