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use `lx-im`;
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create table `user`(
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`id` bigint not null auto_increment primary key comment 'id',
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`user_name` varchar(255) not null comment '用户名',
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`nick_name` varchar(255) not null comment '用户昵称',
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`head_image` varchar(255) default '' comment '用户头像',
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`head_image_thumb` varchar(255) default '' comment '用户头像缩略图',
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`password` varchar(255) not null comment '密码(明文)',
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`sex` tinyint(1) default 0 comment '性别 0:男 1::女',
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`signature` varchar(1024) not null comment '个性签名',
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`last_login_time` datetime DEFAULT null comment '最后登录时间',
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`created_time` datetime DEFAULT CURRENT_TIMESTAMP comment '创建时间',
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unique key `idx_user_name`(user_name),
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key `idx_nick_name`(nick_name)
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);
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create table `friends`(
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`id` bigint not null auto_increment primary key comment 'id',
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`user_id` bigint not null comment '用户id',
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`friend_id` bigint not null comment '好友id',
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`friend_nick_name` varchar(255) not null comment '用户昵称',
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`friend_head_image` varchar(255) default '' comment '用户头像',
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`created_time` datetime DEFAULT CURRENT_TIMESTAMP comment '创建时间',
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key `idx_user_id` (`user_id`),
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key `idx_friend_id` (`friend_id`)
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);
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create table `single_message`(
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`id` bigint not null auto_increment primary key comment 'id',
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`send_user_id` bigint not null comment '发送用户id',
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`recv_user_id` bigint not null comment '接收用户id',
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`content` text comment '发送内容',
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`type` tinyint(1) NOT NULL comment '消息类型 0:文字 1:图片 2:文件',
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`status` tinyint(1) NOT NULL comment '状态 0:未读 1:已读 ',
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`send_time` datetime DEFAULT CURRENT_TIMESTAMP comment '发送时间',
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key `idx_send_recv_user_id` (`send_user_id`,`recv_user_id`)
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);
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