mysql按表備份指令碼
有兩個版本,分別是linux和windows環境下的。我不會python,其實用python會簡單得多,python可以跨平臺的。
linux平臺的版本是來自於君三思的<塗抹mysql>:
==========================================================LINUX Shell指令碼===============================================================
#more /data/mysqldata/scripts/mysql_full_backup_by_table.sh
#!/bin/sh
#created by junsansi 20130505
source /data/mysqldata/scripts/mysql_env_ini
DATA_PATH=/data/mysqldata/backup/mysql_full_bytables
DATA_FILE=${DATA_PATH}/dbfullbak_by_tables_`date +%F`.sql.gz
LOG_FILE=${DATA_PATH}/dbfullbak_`date +%F`.log
MYSQL_PATH=/usr/local/mysql/bin
MYSQL_CMD="${MYSQL_PATH}/mysql -u${MYSQL_USER} -p${MYSQL_PASS} -S /data/mysqldata/${HOST_PORT}/mysql.sock"
MYSQL_DUMP="${MYSQL_PATH}/mysqldump -u${MYSQL_USER} -p${MYSQL_PASS} -S /data/mysqldata/${HOST_PORT}/mysql.sock --single-transaction -l"
echo > $LOG_FILE
echo -e "====Jobs started at `date+%F' '%T' '%w` =====\n" >> $LOG_FILE
for dbs in `${MYSQL_CMD} -e "show databases" |sed 'ld'|egrep -v "information_schema|mysql|performance_schema"`
do
mkdir -p ${DATA_PATH}/${dbs}
echo -e "**** Database:${dbs} Backup Start_Time:`date +%F' '%T' '%w` ****\n" >> ${LOG_FILE}
for tbls in `${MYSQL_CMD} -D ${dbs} -e "show tables"|sed 'ld'`
do
echo -e" ####Begin${dbs}.${tbls}Dump!Start_Time:`date +%F' '%T`" >> ${LOG_FILE}
echo -e" Execute Command:${MYSQL_DUMP} --tables ${dbs} ${tbls} |gzip > ${DATA_PATH}/${dbs}/${dbs}_${tbls}.sql.gz" >> ${LOG_FILE}
${MYSQL_DUMP} --tables ${dbs} ${tbls} |gzip > ${DATA_PATH}/${dbs}/${dbs}_${tbls}.sql.gz
echo -e" ####End${dbs}.${tbls} Dump!Stop_Time:`date +%F' '%T`\n" >> ${LOG_FILE}
echo >> ${LOG_FILE}
done
echo -e "**** Database:${dbs} Backup Stop_Time:`date +%F' '%T' '%w` ****\n" >> ${LOG_FILE}
echo -e "**** Backup file size:`du -sh ${DATA_PATH}/${dbs}` ****\n" >> ${LOG_FILE}
done
echo -e "------ Find expired backup and delete those files ------" >> ${LOG_FILE}
for tfile in $(/usr/bin/find ${DATA_PATH}/ -mtime +6)
do
if [ -d $tfile ]: then
rmdir $tfile
elif [ -f $tfile ]: then
rm -f $tfile
fi
echo -e "----- Delete file: $tfile -----" >> ${LOG_FILE}
done
echo -e "\n==== Jobs ended at `date +%F' '%T' '%w` ====\n" >> $LOG_FILE
============================================================Windows Bat指令碼=======================================================================
prompt $P$G$T$G
if %time:~0,2% lss 10 (
set ymd=%date:~0,4%-%date:~5,2%-%date:~8,2%_0%time:~1,1%
)else (
set ymd=%date:~0,4%-%date:~5,2%-%date:~8,2%_%time:~0,2%
)
set date=%date:~0,4%-%date:~5,2%-%date:~8,2%
set v_backup_file_name=xedk_%ymd%_bak.sql
set v_backup_error_name=xedk_%ymd%_error.txt
cd D:\DBbak\INPUT
D:
md %date%
rem pause
cd D:\mysql-5.6.19-winx64\bin
mysql -uxedk -P 3308 -p"admin" -N <D:\backupSc\backTabSc.sql> mysqldumpsc_%date%.bat
rem pause
cd D:\DBbak\INPUT
move D:\Quarkp2p\mysql-5.6.19-winx64\bin\mysqldumpsc_%date%.bat D:\DBbak\INPUT\%date%
rem pause
cd D:\mysql-5.6.19-winx64\bin
call \DBbak\INPUT\%date%\mysqldumpsc_%date%.bat
rem pause
cd D:\INPUT
move D:\DBbak\INPUT\*.sql D:\DBbak\INPUT\%date%\
rem pause
-----------------------------------------------------------
D:\backupSc\backTabSc.sql中的內容是:
SELECT CONCAT("mysqldump -uroot -h192.168.30.4 -p\"P\#92\^z\!\" -P 3308 --tables ", "xedk ",table_name, " > D:","\\","DBbak","\\","INPUT","\\","Table_",table_name,".sql") FROM information_schema.tables where table_schema='xedk';
=============================================================================================================================================
總結:其實兩個版本的思路都是一致的,就是讀出所有的tables的名字,然後用mysqldump按每一個table的名字進行匯出。
其他:
1、windows下面,mysql在執行sql語句時加上into outfile 'mysqldumpsc.txt';可以將sql語句的執行結果輸出到指定的檔案“mysqldumpsc.txt”中,但是這個檔案的位置預設是在mysql的datadir下面。如果指定檔案的保留位置,要注意mysql對其目錄是否有讀寫許可權
2、windows下面,如果用以下語句:mysql -uxedk -P 3308 -p"admin" -N mysqldumpsc2.txt 將執行結果輸出到mysqldumpsc2.txt中,這個檔案的預設位置是在mysql的執行路徑下。
3、用mysql -uxedk -P 3308 -p"admin" -e "show databases;" 這種方式直接在命令介面執行sql語句時,sql語句裡如果有函式,是無法被識別的。
linux平臺的版本是來自於君三思的<塗抹mysql>:
==========================================================LINUX Shell指令碼===============================================================
#more /data/mysqldata/scripts/mysql_full_backup_by_table.sh
#!/bin/sh
#created by junsansi 20130505
source /data/mysqldata/scripts/mysql_env_ini
DATA_PATH=/data/mysqldata/backup/mysql_full_bytables
DATA_FILE=${DATA_PATH}/dbfullbak_by_tables_`date +%F`.sql.gz
LOG_FILE=${DATA_PATH}/dbfullbak_`date +%F`.log
MYSQL_PATH=/usr/local/mysql/bin
MYSQL_CMD="${MYSQL_PATH}/mysql -u${MYSQL_USER} -p${MYSQL_PASS} -S /data/mysqldata/${HOST_PORT}/mysql.sock"
MYSQL_DUMP="${MYSQL_PATH}/mysqldump -u${MYSQL_USER} -p${MYSQL_PASS} -S /data/mysqldata/${HOST_PORT}/mysql.sock --single-transaction -l"
echo > $LOG_FILE
echo -e "====Jobs started at `date+%F' '%T' '%w` =====\n" >> $LOG_FILE
for dbs in `${MYSQL_CMD} -e "show databases" |sed 'ld'|egrep -v "information_schema|mysql|performance_schema"`
do
mkdir -p ${DATA_PATH}/${dbs}
echo -e "**** Database:${dbs} Backup Start_Time:`date +%F' '%T' '%w` ****\n" >> ${LOG_FILE}
for tbls in `${MYSQL_CMD} -D ${dbs} -e "show tables"|sed 'ld'`
do
echo -e" ####Begin${dbs}.${tbls}Dump!Start_Time:`date +%F' '%T`" >> ${LOG_FILE}
echo -e" Execute Command:${MYSQL_DUMP} --tables ${dbs} ${tbls} |gzip > ${DATA_PATH}/${dbs}/${dbs}_${tbls}.sql.gz" >> ${LOG_FILE}
${MYSQL_DUMP} --tables ${dbs} ${tbls} |gzip > ${DATA_PATH}/${dbs}/${dbs}_${tbls}.sql.gz
echo -e" ####End${dbs}.${tbls} Dump!Stop_Time:`date +%F' '%T`\n" >> ${LOG_FILE}
echo >> ${LOG_FILE}
done
echo -e "**** Database:${dbs} Backup Stop_Time:`date +%F' '%T' '%w` ****\n" >> ${LOG_FILE}
echo -e "**** Backup file size:`du -sh ${DATA_PATH}/${dbs}` ****\n" >> ${LOG_FILE}
done
echo -e "------ Find expired backup and delete those files ------" >> ${LOG_FILE}
for tfile in $(/usr/bin/find ${DATA_PATH}/ -mtime +6)
do
if [ -d $tfile ]: then
rmdir $tfile
elif [ -f $tfile ]: then
rm -f $tfile
fi
echo -e "----- Delete file: $tfile -----" >> ${LOG_FILE}
done
echo -e "\n==== Jobs ended at `date +%F' '%T' '%w` ====\n" >> $LOG_FILE
============================================================Windows Bat指令碼=======================================================================
prompt $P$G$T$G
if %time:~0,2% lss 10 (
set ymd=%date:~0,4%-%date:~5,2%-%date:~8,2%_0%time:~1,1%
)else (
set ymd=%date:~0,4%-%date:~5,2%-%date:~8,2%_%time:~0,2%
)
set date=%date:~0,4%-%date:~5,2%-%date:~8,2%
set v_backup_file_name=xedk_%ymd%_bak.sql
set v_backup_error_name=xedk_%ymd%_error.txt
cd D:\DBbak\INPUT
D:
md %date%
rem pause
cd D:\mysql-5.6.19-winx64\bin
mysql -uxedk -P 3308 -p"admin" -N <D:\backupSc\backTabSc.sql> mysqldumpsc_%date%.bat
rem pause
cd D:\DBbak\INPUT
move D:\Quarkp2p\mysql-5.6.19-winx64\bin\mysqldumpsc_%date%.bat D:\DBbak\INPUT\%date%
rem pause
cd D:\mysql-5.6.19-winx64\bin
call \DBbak\INPUT\%date%\mysqldumpsc_%date%.bat
rem pause
cd D:\INPUT
move D:\DBbak\INPUT\*.sql D:\DBbak\INPUT\%date%\
rem pause
-----------------------------------------------------------
D:\backupSc\backTabSc.sql中的內容是:
SELECT CONCAT("mysqldump -uroot -h192.168.30.4 -p\"P\#92\^z\!\" -P 3308 --tables ", "xedk ",table_name, " > D:","\\","DBbak","\\","INPUT","\\","Table_",table_name,".sql") FROM information_schema.tables where table_schema='xedk';
=============================================================================================================================================
總結:其實兩個版本的思路都是一致的,就是讀出所有的tables的名字,然後用mysqldump按每一個table的名字進行匯出。
其他:
1、windows下面,mysql在執行sql語句時加上into outfile 'mysqldumpsc.txt';可以將sql語句的執行結果輸出到指定的檔案“mysqldumpsc.txt”中,但是這個檔案的位置預設是在mysql的datadir下面。如果指定檔案的保留位置,要注意mysql對其目錄是否有讀寫許可權
2、windows下面,如果用以下語句:mysql -uxedk -P 3308 -p"admin" -N mysqldumpsc2.txt 將執行結果輸出到mysqldumpsc2.txt中,這個檔案的預設位置是在mysql的執行路徑下。
3、用mysql -uxedk -P 3308 -p"admin" -e "show databases;" 這種方式直接在命令介面執行sql語句時,sql語句裡如果有函式,是無法被識別的。
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