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				|  |  | /* ---------------------------------------------------- */
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				|  |  | /*  Generated by Enterprise Architect Version 12.0 		*/
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				|  |  | /*  Created On : 06-Jan-2017 12:02:36 PM 				*/
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				|  |  | /*  Created On : 10-Jan-2017 5:32:13 PM 				*/
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				|  |  | /*  DBMS       : MySql 						*/
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				|  |  | /* ---------------------------------------------------- */
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				|  |  | 
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				|  | @ -8,25 +8,33 @@ SET FOREIGN_KEY_CHECKS=0
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				|  |  | 
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				|  |  | /* Drop Tables */
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				|  |  | 
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				|  |  | DROP TABLE IF EXISTS `sessions` CASCADE
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				|  |  | DROP TABLE IF EXISTS `muc_messages` CASCADE
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				|  |  | ;
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				|  |  | 
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				|  |  | /* Create Tables */
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				|  |  | 
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				|  |  | CREATE TABLE `sessions`
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				|  |  | CREATE TABLE `muc_messages`
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				|  |  | (
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				|  |  | 	`id` VARCHAR(50) NOT NULL COMMENT '会话标识。会话标识来源根据业务场景:1 医生间P2P会话使用随机生成的ID;2 医生间的群会话使用行政团队的ID;3 医生与患者间的咨询以患者的ID+当前咨询次数为ID',
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				|  |  | 	`name` VARCHAR(50) NOT NULL COMMENT '会话名称',
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				|  |  | 	`type` INTEGER NOT NULL COMMENT '会话类型,1表示MUC会话,2表示P2P,3表示群会话,4表示临时讨论组',
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				|  |  | 	`business_type` INT COMMENT '业务相关类型',
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				|  |  | 	`create_date` DATETIME(0) NOT NULL COMMENT '创建时间',
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				|  |  | 	`last_sender_id` VARCHAR(50) COMMENT '消息最后发送人ID',
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				|  |  | 	`last_sender_name` VARCHAR(50) COMMENT '消息最后发送人姓名',
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				|  |  | 	`last_content_type` VARCHAR(50) COMMENT '消息最后内容类型',
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				|  |  | 	`last_content` VARCHAR(1024) COMMENT '消息最后内容',
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				|  |  | 	`last_message_time` TIMESTAMP(0) COMMENT '消息最后时间',
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				|  |  | 	CONSTRAINT `PK_sessions` PRIMARY KEY (`id`)
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				|  |  | ) COMMENT='会话'
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				|  |  | 	`id` VARCHAR(32) NOT NULL COMMENT '消息ID',
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				|  |  | 	`session_id` VARCHAR(50) NOT NULL COMMENT '所属会话',
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				|  |  | 	`sender_id` VARCHAR(50) NOT NULL COMMENT '消息发送者',
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				|  |  | 	`sender_name` VARCHAR(50),
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				|  |  | 	`content_type` INTEGER NOT NULL COMMENT '消息类型,1文本,2图片,3语音,4文章,5跳转,6咨询开始,7咨询结束',
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				|  |  | 	`content` VARCHAR(1024) COMMENT '消息内容',
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				|  |  | 	`business_type` INT COMMENT '业务类型,IM不处理,只做存储与转发',
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				|  |  | 	`timestamp` TIMESTAMP(0) COMMENT '发送时间',
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				|  |  | 	CONSTRAINT `PK_messages` PRIMARY KEY (`id`)
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				|  |  | ) COMMENT='MUC会话消息'
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				|  |  | ;
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				|  |  | 
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				|  |  | /* Create Primary Keys, Indexes, Uniques, Checks */
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				|  |  | 
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				|  |  | ALTER TABLE `muc_messages` 
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				|  |  |  ADD INDEX `IXFK_messages_participants` (`session_id` ASC,`sender_id` ASC)
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				|  |  | ;
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				|  |  | 
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				|  |  | ALTER TABLE `muc_messages` 
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				|  |  |  ADD INDEX `IXFK_messages_sessions` (`session_id` ASC)
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				|  |  | ;
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				|  |  | 
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				|  |  | SET FOREIGN_KEY_CHECKS=1
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