由于之前的業(yè)務(wù)，造成數(shù)據(jù)庫(kù)上產(chǎn)生了臟數(shù)據(jù)，寫(xiě)個(gè)腳本刪除重復(fù)的數(shù)據(jù)。由于是開(kāi)發(fā)測(cè)試環(huán)境，所以選擇任意刪除相同uid中的一條。由于每次執(zhí)行只刪除重復(fù)數(shù)據(jù)的一條，需要重復(fù)執(zhí)行，如果本輪沒(méi)有數(shù)據(jù)被刪就OK
#!/bin/sh
# delete all company's duplicate uid
MYSQL_BIN_PATH=/data/mysql/server/mysql_3306/bin
MYSQL_SOCK_PATH=/data/mysql/server/mysql_3306/tmp
DBUSER=dbuser
DBPWD=userpwd
DBHOSTNAME=192.168.1.105
PORT=3306
# get all company_id
for company_id in `${MYSQL_BIN_PATH}/mysql -u${DBUSER} -p${DBPWD} -h ${DBHOSTNAME} -P ${PORT} --socket=${MYSQL_SOCK_PATH}/mysql.sock -e "
SELECT company_id FROM company.companypage;"`
do
if [ $company_id != "company_id" ] ; then
# if [ $company_id -eq 2733 ] ; then
suffix=`expr ${company_id} % 100`
for user_id in `${MYSQL_BIN_PATH}/mysql -u${DBUSER} -p${DBPWD} -h ${DBHOSTNAME} -P ${PORT} --socket=${MYSQL_SOCK_PATH}/mysql.sock -e "
SELECT user_id FROM company.company_candidate_${suffix} WHERE company_id=${company_id} AND user_id>0 GROUP BY company_id, user_id HAVING COUNT(user_id) > 1;"`
do
if [ $user_id != "user_id" ] ; then
${MYSQL_BIN_PATH}/mysql -u${DBUSER} -p${DBPWD} -h ${DBHOSTNAME} -P ${PORT} --socket=${MYSQL_SOCK_PATH}/mysql.sock -e "
DELETE FROM company.company_candidate_${suffix} WHERE company_id=${company_id} and user_id=${user_id} limit 1;"
echo "delete from company_candidate_${suffix} where company_id=${company_id} and user_id=${user_id} limit 1"
fi
done
# fi
fi
done
exit 0
總結(jié)
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標(biāo)簽：迪慶 蚌埠 紹興 武威 西寧 日喀則 安康 麗江
巨人網(wǎng)絡(luò)通訊聲明：本文標(biāo)題《shell腳本操作mysql數(shù)據(jù)庫(kù)刪除重復(fù)的數(shù)據(jù)》，本文關(guān)鍵詞 shell,腳本,操作,mysql,數(shù)據(jù)庫(kù),；如發(fā)現(xiàn)本文內(nèi)容存在版權(quán)問(wèn)題，煩請(qǐng)?zhí)峁┫嚓P(guān)信息告之我們，我們將及時(shí)溝通與處理。本站內(nèi)容系統(tǒng)采集于網(wǎng)絡(luò)，涉及言論、版權(quán)與本站無(wú)關(guān)。
