Don't try old auth method on closed conn
Don't try old auth method on closed conn

eklitzke/mysql,helight/helight_code,wfxiang08/mysql,bookerzzz/mysql,rlowe/mysql,henrylee2cn/mysql,methane/mysql,aperera/mysql,cw2018/mysql,methane/mysql,hebihui/mysql,VividCortex/mysql,helight/helight_code,yyljlyy/mysql,helight/helight_code,sunjian1/mysql,muthusubbu459/mysql,nanata1115/mysql,segmentio/mysql,hyperworks/mysql,joshuaprunier/mysql,helight/helight_code,netroby/mysql,rafaeljusto/mysql,Frca/mysql,springning/mysql,jockchou/mysql,LightKool/mysql-go,Vorstack/mysql,helight/helight_code,segmentio/mysql,cxflag203/mysql,eXcomm/gomysql,chinanjjohn2012/mysql,roth1002/mysql,yonglehou/mysql,helight/helight_code,LightKool/mysql-go,tmulchay/mysql,helight/helight_code,helight/helight_code,VividCortex/mysql,go-sql-driver/mysql,bookerzzz/mysql,zhgo/mysql,Freeaqingme/golang-sql-driver-mysql,helight/helight_code,siriele/mysql,Go-SQL-Driver/MySQL