fix pending workload resp

quest/db.go

@@ -46,21 +46,21 @@ func (q *Quest) GetProofs(startTimestamp, endTimestamp int64, lastTaskID string,
 }
 
 func (q *Quest) GetPendingWorkload(startTimestamp int64, address string) (workload uint64, err error) {
-	proof := new(ProofModel)
-	querySQL := "SELECT " +
-		"`TaskWorkload`, `TaskReqHash`, `TaskRespHash`, `TaskManagerSignature`, `TaskContainerSignature`, `TaskMinerSignature`, `TaskProfitAccount`, `TaskWorkerAccount` " +
+	// proof := new(ProofModel)
+	querySQL := "SELECT COUNT(`TaskWorkload`)" +
+		// "`TaskWorkload`, `TaskReqHash`, `TaskRespHash`, `TaskManagerSignature`, `TaskContainerSignature`, `TaskMinerSignature`, `TaskProfitAccount`, `TaskWorkerAccount` " +
 		"FROM `proof` " +
 		"WHERE `TaskFinishTimestamp` >= ? " +
 		"AND `TaskProfitAccount` = ? ;"
 
-	err = q.db.Raw(querySQL, startTimestamp, address).First(&proof).Error
+	err = q.db.Raw(querySQL, startTimestamp, address).Scan(&workload).Error
 	if err != nil {
 		if err == gorm.ErrRecordNotFound {
 			return 0, nil
 		}
 		return 0, err
 	}
-	return proof.TaskWorkload, nil
+	return workload, nil
 }
 
 func (q *Quest) GetGlobalWorkload(startTimestamp int64) (workload uint64, err error) {