10 lines
		
	
	
		
			504 B
		
	
	
	
		
			MySQL
		
	
	
	
	
	
		
		
			
		
	
	
			10 lines
		
	
	
		
			504 B
		
	
	
	
		
			MySQL
		
	
	
	
	
	
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								DROP TABLE IF EXISTS `leaf_alloc`;
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								CREATE TABLE `leaf_alloc` (
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								  `biz_tag` varchar(128)  NOT NULL DEFAULT '' COMMENT '区分业务',
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								  `max_id` bigint(20) NOT NULL DEFAULT '1' COMMENT '该biz_tag目前所被分配的ID号段的最大值',
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								  `step` int(11) NOT NULL COMMENT '每次分配的号段长度',
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								  `description` varchar(256)  DEFAULT NULL COMMENT '文字描述',
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								  `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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								  PRIMARY KEY (`biz_tag`)
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								) ENGINE=InnoDB;
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