43 lines
2.7 KiB
SQL
43 lines
2.7 KiB
SQL
-- Bidirectional friends as two directed rows, one pending request per pair, reports.
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CREATE TABLE IF NOT EXISTS t_friend_relations (
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id BIGINT NOT NULL AUTO_INCREMENT COMMENT '行 id，表内自增',
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user_id BIGINT NOT NULL COMMENT '关系所属用户',
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friend_id BIGINT NOT NULL COMMENT '对方 user_id',
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status TINYINT NOT NULL DEFAULT 1 COMMENT '1=好友 0=非好友（仅用于单向拉黑占位）',
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remark VARCHAR(64) NOT NULL DEFAULT '' COMMENT '备注，仅自己可见',
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is_blocked TINYINT NOT NULL DEFAULT 0 COMMENT '是否拉黑对方',
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is_pinned TINYINT NOT NULL DEFAULT 0 COMMENT '会话消息置顶',
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source TINYINT NOT NULL DEFAULT 0 COMMENT '添加来源：0=未知 1=二维码 2=邮箱 3=spark_id',
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created_at DATETIME(3) NOT NULL COMMENT '成为好友或建边时间',
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updated_at DATETIME(3) NOT NULL COMMENT '最近更新时间',
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PRIMARY KEY (id),
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UNIQUE KEY uk_user_friend (user_id, friend_id),
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KEY idx_user_status (user_id, status)
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) COMMENT='单向好友边。A 与 B 互为好友时存两行，各自维护备注、拉黑、置顶';
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CREATE TABLE IF NOT EXISTS t_friend_requests (
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id BIGINT PRIMARY KEY COMMENT 'Snowflake 申请 id',
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from_user BIGINT NOT NULL COMMENT '申请人 user_id',
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to_user BIGINT NOT NULL COMMENT '被申请人 user_id',
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source TINYINT NOT NULL COMMENT '来源：1=二维码 2=邮箱 3=spark_id',
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reason VARCHAR(128) NOT NULL DEFAULT '' COMMENT '申请理由',
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remark VARCHAR(64) NOT NULL DEFAULT '' COMMENT '申请人对对方的备注，同意后写入自己的好友边',
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status TINYINT NOT NULL DEFAULT 1 COMMENT '1=待处理 2=已同意 3=已拒绝',
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created_at DATETIME(3) NOT NULL COMMENT '首次申请时间',
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updated_at DATETIME(3) NOT NULL COMMENT '最近一次申请或处理时间',
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UNIQUE KEY uk_from_to (from_user, to_user),
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KEY idx_to_status (to_user, status, updated_at)
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) COMMENT='好友申请。同一对 from→to 只保留一行，重复发起覆盖理由与备注';
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CREATE TABLE IF NOT EXISTS t_friend_reports (
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id BIGINT PRIMARY KEY COMMENT 'Snowflake 投诉 id',
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user_id BIGINT NOT NULL COMMENT '投诉人 user_id',
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target_id BIGINT NOT NULL COMMENT '被投诉人 user_id',
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reason TINYINT NOT NULL COMMENT '投诉类型：1=垃圾 2=骚扰 3=不实身份 4=其他',
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detail VARCHAR(512) NOT NULL DEFAULT '' COMMENT '投诉说明',
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created_at DATETIME(3) NOT NULL COMMENT '投诉时间',
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KEY idx_user_created (user_id, created_at),
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KEY idx_target (target_id)
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) COMMENT='好友投诉。仅记录，不自动拉黑';
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