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Questions tagged [master-detail]

This type of relationship closely links objects together such that the master record controls certain behaviors of the detail and subdetail record.

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A formula number field can't be used in rollup summary

The child object has two formula number field and when I want to create a rollup summary field on parent object, one of them is not available. What can be the reason of it?
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2 votes
1 answer
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Anonymous code to run a bulk update

I have three objects, namely Tests, Grant, and Grant Contracts. Here in Tests object I have given a lookup to Grant and Grant Contract. I have also given a lookup in Grant Contract to the Grant object....
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0 answers
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Safely replace a packaged Master-Detail with Lookup

My active 1GP Managed Package app suffers from Account and Data skew (with ROW LOCKING) because we made a custom object AccountItem__c a child in a Master-Detail relation (MDR) ship with Account. As ...
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Salesforce relationship [duplicate]

When A child object having two master detail relationship with two different parent objects. Here which parent record owner will restrict the child records ?
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Can we create Junction object with one master-detail and one lookup field?

Can we create Junction object with one master-detail and one lookup field? What will be its security configuration in case Lookup relationship field is created first?
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1 answer
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Parent Object = Guest_Master__c , Child Object = Payment_Master__c On child object I have created master detail record of Parent Object

Parent Object = Guest_Master__c Child Object = Payment_Master__c On the child object I have created master-detail record of parent object Payer_Details__c I want to create Payment_Master__c & ...
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1 answer
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How to get the parent id in a master-detail relationship and assign it to the child id

I am new to apex and I have created an apex trigger that will create new residents whenever a city census(custom object) is approved. The created residents is based on the contacts object's details ...
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1 answer
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What does referring to a child relation of an object return?

Custom Object Maintenance_Request__c has master Detail relationship to Custom Object Vehicle__c (Child Relationship Name = Maintenance_Requests). In the Following code for(Vehicle__c veh : v){ ...
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Master Detail - reparenting options [duplicate]

I have a custom object Candy__c. Candy__c has an Account__c field that is a master detail to Account. I am cloning an account record and want to KEEP the old account record. Yes there will be ...
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How To Access Field f of an Object A to which Object B is having a master detail relationship using Object B?

I have a Custom Object called Vehicle__c which has a Master Detail Relationship with Contact.(Vehicles owned by contacts); Another Custom Object Called Maintenance_Request__c which has a Master Detail ...
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1 answer
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Create csv of children records on parent in master-detail relationship

I have a Master-Detail Relationship. Each Child record has a Name__c field. I want to create a child_names__c field on Parent that is a sorted-asc csv of of each Child's Name. Rollup-summary seems to ...
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1 vote
1 answer
49 views

Sharing a detail object with external users

Issue I have a detail object "License" that functions as a junction object between "Software product" and "Account". "Software product" and "Account" ...
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-2 votes
1 answer
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In report how to pull additional fields from master-detail relationship

I have an object Y with field X which is a lookup field of the same object(Y). I want to create a report that pulls many fields from my object (Y)(including field X and master-detail relational fields)...
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2 answers
113 views

Master Detail Relationship question

i have master-detail relationship between A&B object where A is master and B is child. Now when a record is created in object B by a user, it is visible by other user also. Is their any way to ...
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How to create roll-up summary field on Master Object to display Status of most recent line item?

The relationship between the objects is Master-Detail. Object1 - Ticket | Object2 - Tasks. I'd like to display Status of most recent Task (line item) record on Ticket Object. How can I achieve this? ...
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1 answer
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Unable to create Master-Detail relationship where AccountContactRelation is the master

Im creating a master-detail field on a custom object I just created and I was wondering why this standard object (AccountContactRelation) does not appear when I want to select it as the Master... Thx ...
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1 answer
81 views

Set predefined values from parent object while creating child object in master detail relationship

I have master detail relationship between Opportunity and Work Order. There is Work Order related list in Opportunity. On clicking 'New' in related list, I want to prepopulate some fields using ...
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External Id a standard field on Custom Objects

I am writing a data migration project to take data from an external system and map it into SFDC as a hierarchical structure of custom objects using the Bulk Api 2. The pattern is as follows: Insert ...
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1 answer
240 views

Delete permission on child object of Master Detail relationship

I need to give delete permission for one object. That object has Master-detail relationship with Account, and that profile has View all Permission for an Account object. The profile has Delete and ...
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3 answers
491 views

How to Query all fields of grand parent record with SOQL?

I have a App__c with n number of fields. Page__c is another custom object has few fields and a field App_Id__c which is Master-Detail to App__c object. Field__c is another custom object has fields and ...
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Two users with the same profile but able to see different field

I have two users with the same profile but they should be able to see only their own field. In my case, I have two accounts fields. Account 1 and 2. User 1 will be able to see account field 1, same ...
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2 answers
360 views

Do we need Edit access on Parent record if they have Rollup Summary

I have a child object which has a Master detail relationship with Account. There are some rollup fields on account. Now whenever I'm trying to create a new child record using a user who does not have ...
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1 answer
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Bulk API v2.0 Master Detail Record Field Import Failed

I am going to trying and summarize this as well as I can. My standard object "Contact" has an external Id field called "Client ID". This is the unique identifier for a contact/...
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1 vote
1 answer
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Error creating rows in a custom history table

We are in need of creating History Tracking for the Quote object. I am trying to make this work like the History Tracking that Salesforce already has coded in the system for Opportunities (create a ...
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4 votes
1 answer
429 views

Do Master Records (in a Master-detail Relationship) Get Locked?

Suppose the following: There's a master-detail relationship between two custom objects There are no roll-up summary fields on the master object There are no declarative automations or Apex triggers ...
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Access child object fields on custom classic email templates

In my use case, I have 2 objects called 'Object A' and 'Object B'. 'Object B' contains a master-detail relationship to Object A. I have an email alert which has been set up on 'Object A'. In the ...
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1 answer
432 views

Rollup summary field between multiple objects

I have 4 objects: Contact, Attendee, Events, and Event Category. I want to create a rollup field on the Contact object to count total number of Events (where event category = Training) attended by ...
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1 answer
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Why do we need two master-details relationships while creating many-to-many

I'm preparing to SF Dev1 exam and noted that they suggest using MD instead of Lookup. What can be the reasons using this approach?
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How to skip a mandatory field in custom layout when you create a new record

Background; I have created a custom object A which has a Master-Detail relationship field to a Parent object (Let's say it's field F). I also created a custom layout for the object A. Problem When I ...
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-1 votes
1 answer
67 views

Check constraint in master-detail [closed]

Is it possible to implement 1:1 relation between master and detail. I'm not able to create neither rollup summary on master nor trigger on detail
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2 answers
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Java Devlopment: How to Map Detail Objects to Their Master Object in Master-Detail Relationships

I have a Salesforce project in which I will be automatically popualating custom SObjects from a Java app. This will be done by pulling data down from a database, parsing it (including a JSON payload), ...
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36 views

Why Opportunity object has special features than others [duplicate]

I need a little explanation on Opportunity object. I was wondering Account and opportunity objects are in Lookup Relation but acting as Master-Detail. Also in workflows, we can update Account Records ...
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What is the recommended way to filter a child object from the parent object through SOQL

I have a child object that I need to create which would be related to Opportunity. Let's call it RepPay. I wanted to know what is the best way to create this relationship for querying purposes which I ...
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1 answer
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Internal Salesforce.com Error in while inserting records of Master - Detail Object

I have a scenario where I need to insert more than 60 detail records of a single master. In the same instance I have to insert the master record get the ID and then insert 60 different details of the ...
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0 votes
1 answer
523 views

To display an error message when a record is submitted for approval using apex trigger

Please help me with this code, Writing a Trigger to display an error message on Opportunity_Support_Request__c record which has no OSR Product and if it is submitted for Approval(by clicking on Submit ...
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2 answers
650 views

Update Parent Object Field using Apex Trigger on Insert Child Object

Question: How can I update a parent field with some information I parse from the child? Invoice__c is the Master/parent and LineItem__c is the Detail/child object. My code so far: (See WHAT I WANT TO ...
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1 answer
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Assign child to parent with objects in the same method

I need to assign the child of a parent record that is in the same method. Would I have to insert it before assigning the Id to a parent? //Add row method for both lists public ...
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2 votes
1 answer
421 views

Master-detail relationship SOQL query works in dev console but not Apex

I have a junction object that links a meeting note to contacts who attended the meeting. It is a master-detail relationship. How do I get the name of the linked contact too in Apex? It works in ...
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1 answer
113 views

Authentication required error when inserting records with master-detail relationship on force.com site

I've got a force.com public site that is accessible without user login via guest user. For some strange reason, this site works 100% when it is inserting a record alone, but throws an error when ...
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1 vote
1 answer
76 views

How to update related record with parent field in VF custom controller

What I have in my custom controller is an assignment when a user inputs a value for a certain field, the field for its parent object will update as well. For example. User inputs the school for a ...
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0 votes
2 answers
749 views

Need help with Validation Rule in Master Detail relationship

I am new to Salesforce and need help in writing a validation rule. I have a Master object that can have multiple child objects.The child object has a field 'Type' with value lets say X and Y. If one ...
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1 answer
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Master - Detail relationship New record from related list

I have an object which has a master detail relationship with Account object. I want when creating a new record for this new object from the Account related list, to suggest the current account and not ...
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1 answer
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Deny or allow the creation of a new record if in the parent object (records) - the field of the picklist type has the status "closed" or "active"

I have two objects: Training and Participant with a master-detail relationship (Training (master), Participant (detail)). When training is "canceled" (Status (Picklist) field selected ...
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281 views

Cannot Create Lookup Relationship on Custom Object

I'm trying to create a lookup relationship field however it's giving me an error saying it cannot create a Master-Detail relationship, which is not what I selected. Is there any reasion for this ...
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stripinaccessible stripping fields for system administrator

I have a generic function to validate CRUD before DML which uses stripInaccessible(). public static SObjectAccessDecision validateCRUD(AccessType access, List<SObject> records, Boolean ...
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1 vote
1 answer
200 views

Soft-Delete in Salesforce for All data[For Auditing]

We have a requirement to maintain every data(even deleted also) for approx 10-15 yrs with its Audit history. We have Salesforce-shield is enabled so maintaining Audit data is taken care of by it. ...
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0 votes
0 answers
85 views

How to populate count/sum of certain fields (Number datatype) in a custom object?

Custom object "A" should have certain fields like "Number of Contacts with training date" and "Number of Contacts Last Trained". Currently "A" has look-up ...
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0 votes
1 answer
146 views

Add products on custom objects vs. junction object - please help!

My organization awards scholarships. I have two objects: scholarship and recipient. I need to be able to track the awards that each recipient receives, without creating a new record each time the same ...
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0 votes
1 answer
22 views

How to display master variables in visualforce

I have a master-detail relationship with master object Service__c and child object Service_Task__c. The relationship API is Service_Task__r. I am using a custom controller. My visualforce page is ...
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1 answer
581 views

How to insert new records into the custom object using Data Loader which has "Master-Detail" relationship with Account?

I have an Account object and a custom object "B" where Account is Master and "B" is Child. I already have Account data and I am looking for inserting records in "B" using ...
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