rabbitmq消息隊(duì)列 python怎么創(chuàng)建數(shù)據(jù)庫(kù)連接池?
python怎么創(chuàng)建數(shù)據(jù)庫(kù)連接池?MySQL connection method import MySQL dbconn without connection pool=MySQLdb.connect
python怎么創(chuàng)建數(shù)據(jù)庫(kù)連接池?
MySQL connection method import MySQL dbconn without connection pool=MySQLdb.connect連接(主機(jī)=“l(fā)ocalhost”,用戶=“root”,密碼=“pwd”,數(shù)據(jù)庫(kù)=“myDB”,端口=3306)cur=連接光標(biāo)()SQL=“從表1中選擇*”r=當(dāng)前執(zhí)行(SQL)r=當(dāng)前fetchall() 當(dāng)前關(guān)閉() 連接關(guān)閉()使用連接池后的連接方法導(dǎo)入MySQL數(shù)據(jù)庫(kù)發(fā)件人DBUtils.PooledDB文件import PooledDBpool=Pooleddb(mysqldb,5,host=“l(fā)ocalhost”,user=“root”,passwd=“PWD”,DB=“mydb”,port=3306)?5是連接池中的最小連接數(shù)