12 lines
342 B
SQL
12 lines
342 B
SQL
CREATE TABLE post_viewers
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(
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post_id INTEGER NOT NULL,
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ip INET NOT NULL,
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last_viewed_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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PRIMARY KEY(post_id, ip)
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);
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COMMENT ON COLUMN post_viewers.post_id IS '文章id';
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COMMENT ON COLUMN post_viewers.ip IS '访问ip';
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COMMENT ON COLUMN post_viewers.last_viewed_at IS '最后访问时间'; |