4.12. logging 日志表的设计

最新推荐文章于 2023-02-06 21:36:38 发布

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最新推荐文章于 2023-02-06 21:36:38 发布

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原文链接：https://yq.aliyun.com/articles/292779

本文介绍了日志表的设计方案，包括使用不同的枚举类型来区分日志标签、产生时间、类别和级别等字段，并展示了如何通过年份和月份进行数据分区的方法。

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4.12. logging 日志表的设计

CREATE TABLE `logging` (
	`id` INT(10) UNSIGNED NOT NULL AUTO_INCREMENT,
	`tag` ENUM('unknow','www','user','admin') NOT NULL DEFAULT 'unknow' COMMENT '日志标签',
	`time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '产生时间',
	`facility` ENUM('bank','unionpay','sms','email') NOT NULL COMMENT '类别',
	`priority` ENUM('info','warning','error','critical','exception','debug') NOT NULL COMMENT '级别',
	`message` VARCHAR(512) NOT NULL COMMENT '内容',
	PRIMARY KEY (`id`)
)
COMMENT='日志表'
COLLATE='utf8_general_ci'
ENGINE=InnoDB
AUTO_INCREMENT=2;

分区日志表

		
delimiter $$

CREATE TABLE `logging` (
  `tag` enum('unknow','login','info','admin','cron','manual') NOT NULL DEFAULT 'unknow' COMMENT '日志标签',
  `asctime` datetime NOT NULL COMMENT '产生时间',
  `facility` enum('account','bank','unionpay','sms','email','unknow') NOT NULL DEFAULT 'unknow' COMMENT '类别',
  `priority` enum('info','warning','error','critical','exception','debug') NOT NULL DEFAULT 'debug' COMMENT '级别',
  `message` varchar(512) NOT NULL COMMENT '内容',
  `operator` varchar(50) NOT NULL DEFAULT 'computer' COMMENT '操作者'
) ENGINE=InnoDB DEFAULT CHARSET=utf8
/*!50100 PARTITION BY RANGE (YEAR(asctime))
SUBPARTITION BY HASH (MONTH(asctime))
(PARTITION p0 VALUES LESS THAN (1990) ENGINE = InnoDB,
 PARTITION p1 VALUES LESS THAN (2000) ENGINE = InnoDB,
 PARTITION p2 VALUES LESS THAN MAXVALUE ENGINE = InnoDB) */$$

分表+分区，每年分表一次，每个分区中保存一个月的数据

delimiter $$

CREATE TABLE `logging_2013` (
  `tag` enum('unknow','login','info','admin','cron','manual') NOT NULL DEFAULT 'unknow' COMMENT '日志标签',
  `asctime` datetime NOT NULL COMMENT '产生时间',
  `facility` enum('account','bank','unionpay','sms','email','unknow') NOT NULL DEFAULT 'unknow' COMMENT '类别',
  `priority` enum('info','warning','error','critical','exception','debug') NOT NULL DEFAULT 'debug' COMMENT '级别',
  `message` varchar(512) NOT NULL COMMENT '内容',
  `operator` varchar(50) NOT NULL DEFAULT 'computer' COMMENT '操作者'
) ENGINE=InnoDB DEFAULT CHARSET=utf8
/*!50100 PARTITION BY LIST (MONTH(asctime))
SUBPARTITION BY KEY (facility)
(PARTITION part0 VALUES IN (1) ENGINE = InnoDB,
 PARTITION part1 VALUES IN (2) ENGINE = InnoDB,
 PARTITION part2 VALUES IN (3) ENGINE = InnoDB,
 PARTITION part3 VALUES IN (4) ENGINE = InnoDB,
 PARTITION part4 VALUES IN (5) ENGINE = InnoDB,
 PARTITION part5 VALUES IN (6) ENGINE = InnoDB,
 PARTITION part6 VALUES IN (7) ENGINE = InnoDB,
 PARTITION part7 VALUES IN (8) ENGINE = InnoDB,
 PARTITION part8 VALUES IN (9) ENGINE = InnoDB,
 PARTITION part9 VALUES IN (10) ENGINE = InnoDB,
 PARTITION part10 VALUES IN (11) ENGINE = InnoDB,
 PARTITION part11 VALUES IN (12) ENGINE = InnoDB) */$$

命名分区

delimiter $$

CREATE TABLE `logging_2012` (
  `tag` enum('unknow','login','info','admin','cron','manual') NOT NULL DEFAULT 'unknow' COMMENT '日志标签',
  `asctime` datetime NOT NULL COMMENT '产生时间',
  `facility` enum('account','bank','unionpay','sms','email','unknow') NOT NULL DEFAULT 'unknow' COMMENT '类别',
  `priority` enum('info','warning','error','critical','exception','debug') NOT NULL DEFAULT 'debug' COMMENT '级别',
  `message` varchar(512) NOT NULL COMMENT '内容',
  `operator` varchar(50) NOT NULL DEFAULT 'computer' COMMENT '操作者'
) ENGINE=InnoDB DEFAULT CHARSET=utf8
/*!50100 PARTITION BY LIST (MONTH(asctime))
SUBPARTITION BY KEY (facility)
(PARTITION January VALUES IN (1) ENGINE = InnoDB,
 PARTITION February VALUES IN (2) ENGINE = InnoDB,
 PARTITION March VALUES IN (3) ENGINE = InnoDB,
 PARTITION April VALUES IN (4) ENGINE = InnoDB,
 PARTITION May VALUES IN (5) ENGINE = InnoDB,
 PARTITION June VALUES IN (6) ENGINE = InnoDB,
 PARTITION July VALUES IN (7) ENGINE = InnoDB,
 PARTITION August VALUES IN (8) ENGINE = InnoDB,
 PARTITION September VALUES IN (9) ENGINE = InnoDB,
 PARTITION October VALUES IN (10) ENGINE = InnoDB,
 PARTITION November VALUES IN (11) ENGINE = InnoDB,
 PARTITION December VALUES IN (12) ENGINE = InnoDB) */$$

原文出处：Netkiller 系列手札
本文作者：陈景峯
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