fix tx

liuxiaolong

2019-10-11 9bddcbcaacca649c4e0686afdde8d5804b17ad9c

 dbself.go

@@ -119,11 +119,12 @@
         result := tx.Exec(sql)
         err = result.Error
         if err !=nil {
            return false,result.Error
            return false,err
         }
         if result.RowsAffected == 0{
            logger.Error("ExecuteSqlByGorm fail")
            return false,errors.New("ExecuteSqlByGorm fail")
            err = errors.New("ExecuteSqlByGorm fail")
            return false,err
         }
      }
      tx.Commit()