27 lines
912 B
SQL
27 lines
912 B
SQL
-- 公告/通知已读记录表
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CREATE TABLE IF NOT EXISTS sys_notice_read (
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read_id BIGINT PRIMARY KEY,
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notice_id BIGINT NOT NULL,
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user_id BIGINT NOT NULL,
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read_time TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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CONSTRAINT uk_notice_user UNIQUE (notice_id, user_id)
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);
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COMMENT ON TABLE sys_notice_read IS '公告/通知已读记录表';
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COMMENT ON COLUMN sys_notice_read.read_id IS '阅读ID';
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COMMENT ON COLUMN sys_notice_read.notice_id IS '公告/通知ID';
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COMMENT ON COLUMN sys_notice_read.user_id IS '用户ID';
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COMMENT ON COLUMN sys_notice_read.read_time IS '阅读时间';
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-- 创建序列
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CREATE SEQUENCE IF NOT EXISTS sys_notice_read_read_id_seq
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INCREMENT 1
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MINVALUE 1
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MAXVALUE 99999999
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START 200
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CACHE 1;
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-- 索引
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CREATE INDEX IF NOT EXISTS idx_notice_read_notice_id ON sys_notice_read(notice_id);
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CREATE INDEX IF NOT EXISTS idx_notice_read_user_id ON sys_notice_read(user_id);
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