WF Tracking by step

 WorkflowTrackingStatusTable WorkflowTrackingStatusTable;
 WorkflowTrackingTable       WorkflowTrackingTable, WorkflowTrackingTable2;
 WorkflowTrackingCommentTable    WorkflowTrackingCommentTable;
 WorkflowStepTable           WorkflowStepTable;
 
 select WorkflowTrackingStatusTable
     order by WorkflowTrackingStatusTable.CreatedDateTime desc
     where WorkflowTrackingStatusTable.ContextTableId == NW_CertificationAndQualification.TableId
     && WorkflowTrackingStatusTable.ContextRecId == NW_CertificationAndQualification.RecId;

 while select WorkflowTrackingTable
     where WorkflowTrackingTable.WorkflowTrackingStatusTable == WorkflowTrackingStatusTable.RecId
     //join WorkflowStepTable
     //where WorkflowStepTable.RecId == WorkflowTrackingTable.WorkflowStepTable
     //&& WorkflowTrackingTable.TrackingContext == WorkflowTrackingContext::Step
     //    && WorkflowTrackingTable.TrackingType == WorkflowTrackingType::Creation

     && WorkflowTrackingTable.TrackingContext == WorkflowTrackingContext::WorkItem
     && WorkflowTrackingTable.TrackingType == WorkflowTrackingType::Approval
 outer join WorkflowTrackingCommentTable
     where WorkflowTrackingCommentTable.TrackingId == WorkflowTrackingTable.TrackingId
 {
     select firstonly WorkflowTrackingTable2
         where WorkflowTrackingTable.TrackingContext == WorkflowTrackingContext::Step
         && WorkflowTrackingTable.TrackingType == WorkflowTrackingType::Creation
         && WorkflowTrackingTable2.StepId == WorkflowTrackingTable.StepId;

     if(WorkflowTrackingTable2.Name =="Review Stage")
     {
         NW_CertificationAndQualificationTmp.ReviewStatus = "Approval";
         NW_CertificationAndQualificationTmp.ReviewComment = WorkflowTrackingCommentTable.Comment;
         NW_CertificationAndQualificationTmp.ReviewDate_ = WorkflowTrackingTable.CreatedDateTime;
     
     }
     else if(WorkflowTrackingTable2.Name =="Head of Talent Management Approval Stage")
     {
         NW_CertificationAndQualificationTmp.TalentStatus = "Approval";
         NW_CertificationAndQualificationTmp.TalentComment = WorkflowTrackingCommentTable.Comment;
         NW_CertificationAndQualificationTmp.TalentDate_ = WorkflowTrackingTable.CreatedDateTime;
     
     }
     else if(WorkflowTrackingTable2.Name =="Head of Human Resources Approval Stage")
     {
         NW_CertificationAndQualificationTmp.HRStatus = "Approval";
         NW_CertificationAndQualificationTmp.HRComment = WorkflowTrackingCommentTable.Comment;
         NW_CertificationAndQualificationTmp.HRDate_ = WorkflowTrackingTable.CreatedDateTime;
     
     }
 }