How do I sort a list of custom types in Salesforce?
You can also sort custom types (your Apex classes) if they implement the Comparable Interface interface. When you use sort () methods on List<Id> s that contain both 15-character and 18-character IDs, IDs for the same record sort together in API version 35.0 and later.
How to make a shallow copy of a list in Salesforce?
For Apex saved using Salesforce API version 22.0 or earlier, the default value for the preserve_id argument is true, that is, the IDs are preserved. To make a shallow copy of a list without duplicating the sObject records it contains, use the clone method. This example performs a deep clone for a list with two accounts.
How to combine two lists into one list?
Both lists must be of the same type. Add all of the elements in specified set to the list that calls the method. The set and the list must be of the same type. Removes all elements from a list, consequently setting the list's length to zero. Makes a duplicate copy of a list. Returns true if the list contains the specified element.
What is the data type of list in a list?
A list can hold elements of any data type T. Creates a new instance of the List class by copying the elements from the specified list. T is the data type of the elements in both lists and can be any data type. The list containing the elements to initialize this list from.
How do I clone a list in Salesforce?
Under List View Controls, select New. Or, click Clone to make a copy of the current list view....Optionally, choose and order the columns in your list view.From the List View Controls menu, Select Fields to Display.Use the arrows to add, remove, and reorder your visible fields.Click Save.
How do I append to a list in Salesforce?
List Methodsadd(listElement) Adds an element to the end of the list.add(index, listElement) Inserts an element into the list at the specified index position.addAll(fromList) ... addAll(fromSet) ... clear() ... clone() ... contains(listElement) ... deepClone(preserveId, preserveReadonlyTimestamps, preserveAutonumber)More items...
How do I query a related list in Salesforce?
Add, Remove, or Edit Related ListsClick. , then click Setup.From Setup, click the Object Manager tab.Click an object, for example, Course.Click Page Layouts.Click an page layout, for example, HEDA Course Layout.Modify the related lists. To add a related list, in the palette, click Related Lists. ... Click Save.
What is list list SObject in Salesforce?
Lists of sObjects can be used for bulk processing of data. You can use a list to store sObjects. Lists are useful when working with SOQL queries. SOQL queries return sObject data and this data can be stored in a list of sObjects.
What is the difference between list and Set in Salesforce?
A List is an ordered collection of elements that are distinguished by their indices. List elements can be of any data type—primitive types, collections, sObjects, user-defined types, and built-in Apex types. Whereas, Set is an unordered collection of elements that do not contain any duplicates.
How many records a list can hold in Salesforce?
A list can hold 1000 elements(as per the limit).
Can you filter a related list in Salesforce?
2) Choose related list on which you want to change or modify filters and click on the wrench icon to open properties. 4) Click on ok and save the page layout. 5) Open the related list and click on filters section and the filters section will show all the filters added as columns in the related list.
Is SOSL faster than SOQL?
Performance Considerations Both SOQL WHERE filters and SOSL search queries can specify text you should look for. When a given search can use either language, SOSL is generally faster than SOQL if the search expression uses a CONTAINS term.
What is a related list in Salesforce?
The Related List - Single component shows a list of related records based on one specific object. For example, if you're looking at a contact detail page, you can specify to see the cases related to that contact, without seeing all other types of related records.
Can we convert list to set in Salesforce?
The simplest way to convert List to Set in Salesforce is given below: List
What is batch apex in Salesforce?
Batch Apex is used to run large jobs (think thousands or millions of records!) that would exceed normal processing limits. Using Batch Apex, you can process records asynchronously in batches (hence the name, “Batch Apex”) to stay within platform limits.
How many levels can be returned in a single query?
More videos on YouTube In SOQL, you can traverse up to a maximum of five levels when querying data from child object to parent.