mysql批量修改表格儲存體引擎

參數列表：

[db] [db_host] [db_user] [db_passwd]

 

 

#! /bin/bash

if [ $1 ]
then
        echo database $1;
else
        echo 'backup database tables to gzip files sh bak_db_table.sh db [db_host] [db_user] [db_passwd]'; exit;
fi

[ $1 ] && db=$1
[ $2 ] && dbh=$2
[ $3 ] && dbu=$3
[ $4 ] && dbp=$4

[ $dbh ] && dbh="-h"$dbh
[ $dbu ] && dbu="-u"$dbu
[ $dbp ] && dbp="-p"$dbp

list=(`echo show tables|/opt/modules/mysql/bin/mysql $dbh $dbu $dbp $db`)

tbcount=$((${#list[@]}-2))

if [ $tbcount= -2 ] # Hg9{1+2;4fTZ ;_J}>]?bA,=SJ'0/
then
        echo empty tables in $db or connent failed! ; exit 1;
fi
        echo table count: $tbcount

 

for (( i = 1 ; i < ($tbcount+1) ; i ++ ))
do
        table=${list[$i]}
        echo alter table $db.$table
        echo "alter table $db.$table type=MyISAM;"|/opt/modules/mysql/bin/mysql $dbh $dbu $dbp;
        #sleep 10
done