infile: new deferredClose func instead of lambda funcs
infile: new deferredClose func instead of lambda funcs

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