42 lines
1.4 KiB
SQL
42 lines
1.4 KiB
SQL
-- 通知系统主表 + 统计表
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-- 创建时间: 2026-06-16
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-- 关联: spec §4.1
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-- 1. 通知主表
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CREATE TABLE IF NOT EXISTS public.notifications (
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id BIGSERIAL PRIMARY KEY,
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user_id BIGINT NOT NULL,
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star_id BIGINT NOT NULL,
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type VARCHAR(20) NOT NULL, -- like / system / activity
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title VARCHAR(200) NOT NULL,
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content VARCHAR(500),
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data JSONB,
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is_read BOOLEAN NOT NULL DEFAULT FALSE,
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is_deleted BOOLEAN NOT NULL DEFAULT FALSE,
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created_at BIGINT NOT NULL,
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read_at BIGINT
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);
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-- 2. 索引
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CREATE INDEX IF NOT EXISTS idx_notifications_user_type_created
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ON public.notifications (user_id, star_id, type, created_at DESC);
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CREATE INDEX IF NOT EXISTS idx_notifications_user_unread
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ON public.notifications (user_id, star_id, is_read, created_at DESC)
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WHERE is_deleted = FALSE;
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-- 3. 通知统计表
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CREATE TABLE IF NOT EXISTS public.notification_stats (
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user_id BIGINT NOT NULL,
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star_id BIGINT NOT NULL,
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like_unread_count INT NOT NULL DEFAULT 0,
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system_unread_count INT NOT NULL DEFAULT 0,
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activity_unread_count INT NOT NULL DEFAULT 0,
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total_unread_count INT NOT NULL DEFAULT 0,
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updated_at BIGINT NOT NULL,
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PRIMARY KEY (user_id, star_id)
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);
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-- 4. 序列起始值预留 10000（CLAUDE.md 数据库规范）
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ALTER SEQUENCE notifications_id_seq RESTART WITH 10000;
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