I have three objects:

Order__c Package__c Account

Package has a relationship with account and order.

Order has a relationship with account.

If a package has an account attached to it, how can I make it also attach to that account’s order?

    Set<Id> accountOnPack = new Set<Id>();
    List<Package__c> packs = new List<package__c>();
    for(package__c package : packages){
        if(package.order__c== null && package.received__c =true ){
            //query to grab order from accounts?
            // order__c orders = OrderQueries.getOrders(item.account__r.id);

From here I need to add these packages to the account’s order. Where would I go from here? How can I then query for the account's orders and attach it to the packages?

  • Do you want to relate account record in your order which is related to package? Commented Aug 7, 2018 at 3:47
  • There could be multiple orders attached to an account? If yes, then how would you identify which order needs to be attached to which package? Commented Aug 7, 2018 at 6:33
  • It would be the most recent order that is in the status" prepared". Commented Aug 7, 2018 at 13:42

1 Answer 1


I assume your problem statement is: If Package has Account and The Account have Ordered, then you want to relate that package to the order

   //fetch all Account Id's from the Package records:
   Map<Id, Id> packageToAccountId = new Map<Id, Id>();
   for(package__c package : packages){
        packageToAccountId.put(package.id, package.Account__c);

   //get all orders related to that Account
   //update the Orders__r relationship name accordingly
   Map<Id, Account> accountToOrderId = Map<Id, Account>(List<Account>([Select id, (Select Id from Orders__r where Account__c in :packageToAccountId.values() and package__c = '' limit 1) from Account where id in :packageToAccountId.values()]));

   //process starts here
   List<Package__c> packageToUpdate = new List<package__c>();
   for(package__c package : packages){
    Account currentAccount = accountToOrderId.get( packageToAccountId.get(package.Id) );
    if(package.order__c == null && package.received__c = true ){
        //assuming one account has only one related order. I used Limit 1 in query
        //update Orders__r relationship name accordingly
        if(currentAccount.Orders__r[0] <> null && currentAccount.Orders__r[0] <> '' )
            packageToUpdate.add(new Package__c(id = package.id, Order__c = currentAccount.Orders__r[0]Id));

Please note that the code is not tested but must fulfill your requirement. You have to update the code at some points!!

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