您好，在database/sql包中，我可以通过两种方式执行查询:第一种方式:使用Sql.StmtvarDeletePermissionStmt*sql.StmtDeletePermissionStmt,err=database.Prepare(`DELETEFROMpermissionWHEREpermission_id=$1`)iferr!=nil{log.Errorf("can'tpreparedeletepermissionstatement:%s",err.Error())}transaction,err:=database.Begin()//assumepostgresda