53 lines
2.8 KiB
PL/PgSQL
53 lines
2.8 KiB
PL/PgSQL
-- 2026_06_22_012_activity_messages.sql
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BEGIN;
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CREATE TABLE IF NOT EXISTS public.activity_messages (
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id BIGSERIAL PRIMARY KEY,
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activity_id BIGINT NOT NULL,
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user_id BIGINT NOT NULL,
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star_id BIGINT NOT NULL,
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nickname VARCHAR(50), -- 缓存昵称（写入时回查，避免读时 RPC 反查）
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avatar_url VARCHAR(500), -- 缓存头像 URL
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content VARCHAR(500) NOT NULL,
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status SMALLINT NOT NULL DEFAULT 0,
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created_at BIGINT NOT NULL,
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updated_at BIGINT NOT NULL,
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deleted_at TIMESTAMP WITH TIME ZONE, -- gorm.DeletedAt 软删除时间戳
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CONSTRAINT fk_messages_activity
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FOREIGN KEY (activity_id) REFERENCES public.activities(id) ON DELETE CASCADE,
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CONSTRAINT fk_messages_user
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FOREIGN KEY (user_id) REFERENCES public.users(id),
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CONSTRAINT fk_messages_star
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FOREIGN KEY (star_id) REFERENCES public.stars(star_id),
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CONSTRAINT chk_activity_messages_status CHECK (status BETWEEN 0 AND 2)
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);
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ALTER SEQUENCE activity_messages_id_seq RESTART WITH 10000;
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CREATE INDEX IF NOT EXISTS idx_activity_messages_activity_created
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ON public.activity_messages (activity_id, created_at DESC, id DESC)
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WHERE deleted_at IS NULL;
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CREATE INDEX IF NOT EXISTS idx_activity_messages_user_created
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ON public.activity_messages (user_id, created_at DESC)
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WHERE deleted_at IS NULL;
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CREATE INDEX IF NOT EXISTS idx_activity_messages_activity_incr
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ON public.activity_messages (activity_id, id DESC)
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WHERE deleted_at IS NULL;
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COMMENT ON TABLE public.activity_messages IS '活动留言表';
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COMMENT ON COLUMN public.activity_messages.id IS '主键，自增';
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COMMENT ON COLUMN public.activity_messages.activity_id IS 'FK -> activities.id';
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COMMENT ON COLUMN public.activity_messages.user_id IS '留言用户 ID';
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COMMENT ON COLUMN public.activity_messages.star_id IS '所属明星/星球 ID';
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COMMENT ON COLUMN public.activity_messages.nickname IS '缓存昵称（写入时回查，避免读时 RPC 反查）';
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COMMENT ON COLUMN public.activity_messages.avatar_url IS '缓存头像 URL';
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COMMENT ON COLUMN public.activity_messages.content IS '留言正文，1-500 字';
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COMMENT ON COLUMN public.activity_messages.status IS '0=正常|1=隐藏|2=已删除';
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COMMENT ON COLUMN public.activity_messages.created_at IS '留言时间，毫秒时间戳';
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COMMENT ON COLUMN public.activity_messages.updated_at IS '更新时间，毫秒时间戳';
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COMMENT ON COLUMN public.activity_messages.deleted_at IS '软删除时间戳（gorm.DeletedAt，NULL=未删除）';
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COMMIT;
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