寫這篇主要是提供那些動不動會改錯料號
需要回復前一版料號，首先要知道如果關聯是用float時
子階料號單獨變更，被連結的其他物件也會跟著更新

所以要回復前一版，其他的連結也要一併更新，風險很大評估後再來修正
正常功能在編輯->清除Purge

以下程式用在DCO用執行按鈕，回復受影響物件

Aras.Server.Security.Identity plmIdentity = Aras.Server.Security.Identity.GetByName("Innovator Admin");
Boolean PermissionWasSet = Aras.Server.Security.Permissions.GrantIdentity(plmIdentity);

Innovator inn = this.getInnovator();


string form_id = this.getProperty("id");

string aml = @"<AML>
  <Item action='get' type='Express DCO Affected Item' select='source_id,related_id(affected_id,new_item_id)'>
    <source_id>
      <Item type='Express DCO' action='get' select='item_number'>
        <id>{0}</id>
      </Item>
    </source_id>
  </Item>
</AML>";

aml = string.Format(aml,form_id);
Item itms = inn.applyAML(aml);
if(itms.isError()==false){
    for(int i=0;i<itms.getItemCount();i++){
        Item itm = itms.getItemByIndex(i);
        Item relatedItem = itm.getPropertyItem("related_id");
        string affect_id = relatedItem.getProperty("affected_id","");
        string new_item_id = relatedItem.getProperty("new_item_id","");
        relatedItem.setProperty("new_item_id","");
        Item result = relatedItem.apply("edit");
        if(affect_id!=""){
            string affect_type = "Part";
            Item controlItem = inn.getItemById(affect_type,affect_id);
            if(controlItem!=null){
                if(controlItem.getProperty("state")=="In Change"){
                    controlItem.promote("Released","");
                }
            }
            string bulkchangeAML = @"<AML>
                                        <Item action='get' type='Bulk Change'>
                                          <parent_partno>
                                            <Item type='Part' action='get'>
                                              <id>{0}</id>
                                            </Item>
                                          </parent_partno>
                                        </Item>
                                      </AML>";
            bulkchangeAML = string.Format(bulkchangeAML,new_item_id);
            Item bulkItems = inn.applyAML(bulkchangeAML);

            if(bulkItems.isError()==false){
              List<string> delItems = new List<string>();
              for(int row=0;row < bulkItems.getItemCount();row++){
                Item itmB = bulkItems.getItemByIndex(row);
                delItems.Add(itmB.getID());
              }
              foreach(string id in delItems){
                string delAML = @"<AML>
                                    <Item action='delete' type='Bulk Change' id='{0}'>
                                    </Item>
                                  </AML>";
                delAML = string.Format(delAML,id);                 
                Item itmD = inn.applyAML(delAML);
              }
            }
            string bom_AML = @"";

            Item new_part = inn.newItem("part","get");
                new_part.setProperty("id",new_item_id);
                new_part = new_part.apply();
                //找最後變更前的版本
            string sqlFindOldRevPart = @"select id
                                        from
                                        (
                                          select id,item_number,MAJOR_REV,GENERATION,state from innovator.part 
                                          where config_id = '{0}' 
                                          and is_current='0'
                                          and (
                                            select MAX(MAJOR_REV)
                                            from innovator.part 
                                            where config_id = '{0}' 
                                            and is_current='0'
                                          ) = MAJOR_REV
                                        ) as t
                                        where t.GENERATION = (
                                          select Max(GENERATION) from innovator.part 
                                          where config_id = '{0}' 
                                          and is_current='0'
                                          and (
                                            select MAX(MAJOR_REV)
                                            from innovator.part 
                                            where config_id = '{0}' 
                                            and is_current='0'
                                          ) = MAJOR_REV
                                        )";
                  sqlFindOldRevPart = string.Format(sqlFindOldRevPart,new_part.getProperty("config_id",""));
            Item oldPart = inn.applySQL(sqlFindOldRevPart);
            //return inn.newError(oldPart.ToString());
            if(oldPart.isError()==false){
              string oldPartId = oldPart.getProperty("id","");
                Item boms = inn.newItem("Part BOM","get");
                boms.setProperty("related_id",new_item_id);
                boms = boms.apply();

                if(boms.isError()==false){
                  for(int k=0;k<boms.getItemCount();k++){
                    Item bom = boms.getItemByIndex(k);
                    string bom_id = bom.getProperty("id");
                    string sqlUpdate = @"update innovator.part_bom set RELATED_ID = '{0}' where part_bom.id='{1}'";
                    sqlUpdate = string.Format(sqlUpdate,oldPartId,bom_id);
                    inn.applySQL(sqlUpdate);
                  }
                }
                Item altBom = inn.newItem("BOM Substitute","get");
                altBom.setProperty("related_id",new_item_id);
                altBom = altBom.apply();
                if(altBom.isError()==false){
                  for(int k=0;k<altBom.getItemCount();k++){
                    Item abom = altBom.getItemByIndex(k);
                    string bom_id = abom.getProperty("id");
                    string sqlUpdate = @"update innovator.bom_substitute set RELATED_ID = '{0}' where bom_substitute.id='{1}'";
                    sqlUpdate = string.Format(sqlUpdate,oldPartId,bom_id);
                    inn.applySQL(sqlUpdate);
                  }
                }
                string affAML = @"<AML>
                  <Item action='get' type='Affected Item'>
                    <affected_id>{0}</affected_id>
                  </Item>
                </AML>";
                affAML = string.Format(affAML,new_item_id);
                Item affItems = inn.applyAML(affAML);
                if(affItems.isError()==false){
                  for(int a=0;a<affItems.getItemCount();a++){
                    Item affItem = affItems.getItemByIndex(a);
                    string updateAffSQL = @"Update innovator.Affected_Item set affected_id='{0}' where id='{1}'";
                    updateAffSQL = string.Format(updateAffSQL,oldPartId,affItem.getID());
                    inn.applySQL(updateAffSQL);
                  }
                }
            }
            
            string purgeAML = @"<AML>
                                  <Item action='purge' type='Part' id='{0}'>
                                  </Item>
                                  </AML>";
            purgeAML = string.Format(purgeAML,new_item_id);
            Item purgeItem = inn.applyAML(purgeAML);
            if(purgeItem.isError()){
              return inn.newError("AML="+purgeAML);
            }
        }
    }
}


if (PermissionWasSet) Aras.Server.Security.Permissions.RevokeIdentity(plmIdentity);
return this;