MySQLデータ移行

for((i=91;i>=1;i--));
do
    dt=`date +'%Y%m%d' -d"-${i} days"`;
    if [ "$dt" = "20150309" ]; then
      break;
    fi
    SQL='SELECT `id` FROM `l_pro_index_'${dt}'` ORDER BY `id` ASC LIMIT 1;'
    first_id=`echo ${SQL} | mysql -hhost -uuser -ppassword -N database2`
    mysqldump -hhost -uuser2 -ppassword database l_pro_index_${dt} -w "id<${first_id}" --skip-lock-tables=true --no-create-info --quick  --complete-insert  --add-locks=false --disable-keys=false --extended-insert=false > l_pro_index_${dt}.sql
    mysql -hhost -uuser -ppassword --force database2 < ./l_pro_index_${dt}.sql
done