39 lines
2.3 KiB
SQL
39 lines
2.3 KiB
SQL
-- Pair-shaped t_friend_relations (user_small, user_big) → two directed rows.
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-- Skipped by cmd/migrate when t_friend_relations.user_id already exists.
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CREATE TABLE IF NOT EXISTS t_friend_relations_new (
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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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INSERT IGNORE INTO t_friend_relations_new (user_id, friend_id, status, remark, is_blocked, is_pinned, source, created_at, updated_at)
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SELECT r.user_small, r.user_big, 1, IFNULL(n.remark, ''), 0, 0, 0, r.created_at, r.created_at
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FROM t_friend_relations r
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LEFT JOIN t_friend_remarks n ON n.user_id = r.user_small AND n.friend_id = r.user_big;
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INSERT IGNORE INTO t_friend_relations_new (user_id, friend_id, status, remark, is_blocked, is_pinned, source, created_at, updated_at)
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SELECT r.user_big, r.user_small, 1, IFNULL(n.remark, ''), 0, 0, 0, r.created_at, r.created_at
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FROM t_friend_relations r
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LEFT JOIN t_friend_remarks n ON n.user_id = r.user_big AND n.friend_id = r.user_small;
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INSERT INTO t_friend_relations_new (user_id, friend_id, status, remark, is_blocked, is_pinned, source, created_at, updated_at)
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SELECT b.user_id, b.blocked_id, 0, '', 1, 0, 0, b.created_at, b.created_at
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FROM t_user_blocks b
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ON DUPLICATE KEY UPDATE is_blocked = 1, updated_at = VALUES(updated_at);
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DROP TABLE IF EXISTS t_friend_remarks;
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DROP TABLE IF EXISTS t_user_blocks;
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DROP TABLE IF EXISTS t_friend_relations;
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RENAME TABLE t_friend_relations_new TO t_friend_relations;
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