1 #!/bin/bash 2 # mysqldump script... 3 4 # mysqldup备份语句使用说明： 5 # mysqldump -S 数据库套接字文件 -u用户名 -p用户密码 -h mysql主机 --skip-lock-tables 数据库名称 表名称 --where "查询条件" > 导出文件名.sql 6 7 tb_bak="/root/yeah100_tables" 8 my_socket="/data/mysqldata/3307/mysql.sock" 9 my_dump="/usr/local/mysql/bin/mysqldump" 10 d=`date "+%Y%m%d"` 11 t=`date "+%Y%m%d_%H:%M:%S"` 12 13 # 备份 student_answer_block 和 student_question 表一个月前的数据 14 echo "${t} 开始备份 student_answer_block 表一个月前的数据..." >> ${tb_bak}/tb_bak.log 15 ${my_dump} -S ${my_socket} -uroot -pever2016 --skip-lock-tables yeah100 student_answer_block --where "examination_id IN ( SELECT ID FROM examinations WHERE STATISTIC_TRIGGERED = 'Y' AND STATISTIC_DATE < DATE_SUB(CURDATE(), INTERVAL 1 MONTH) AND ORG_NO IS NOT NULL ORDER BY STATISTIC_DATE DESC )" > ${tb_bak}/student_answer_block_${d}.sql 16 echo "`date "+%Y%m%d_%H:%M:%S"` 完成备份 student_answer_block 表一个月前的数据..." >> ${tb_bak}/tb_bak.log 17 echo -e "================================ ================================" >> ${tb_bak}/tb_bak.log 18 19 sleep 3 20 echo "${t} 开始备份 student_question 表一个月前的数据..." >> ${tb_bak}/tb_bak.log 21 ${my_dump} -S ${my_socket} -uroot -pever2016 --skip-lock-tables yeah100 student_question --where "examination_id IN ( SELECT ID FROM examinations WHERE STATISTIC_TRIGGERED = 'Y' AND STATISTIC_DATE < DATE_SUB(CURDATE(), INTERVAL 1 MONTH) AND ORG_NO IS NOT NULL ORDER BY STATISTIC_DATE DESC )" > ${tb_bak}/student_question_${d}.sql 22 echo "`date "+%Y%m%d_%H:%M:%S"` 完成备份 student_question 表一个月前的数据..." >> ${tb_bak}/tb_bak.log 23 sleep 3 24 25 #还原到新的数据库里 192.168.0.232:3306 数据库：yeah100bakup 26 echo "${t} 开始还原 student_answer_block 表一个月前的数据..." >> ${tb_bak}/tb_load.log 27 mysql -S /data/mysqldata/3306/mysql.sock -uroot -pever2016 yeah100bakup < ${tb_bak}/student_answer_block_${d}.sql 28 echo "`date "+%Y%m%d_%H:%M:%S"` 完成还原 student_answer_block 表一个月前的数据..." >> ${tb_bak}/tb_load.log 29 echo -e "================================ ================================" >> ${tb_bak}/tb_load.log 30 31 sleep 3 32 echo "${t} 开始还原 student_question 表一个月前的数据..." >> ${tb_bak}/tb_load.log 33 mysql -S /data/mysqldata/3306/mysql.sock -uroot -pever2016 yeah100bakup < ${tb_bak}/student_question_${d}.sql 34 echo "`date "+%Y%m%d_%H:%M:%S"` 完成还原 student_question 表一个月前的数据..." >> ${tb_bak}/tb_load.log