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[ Dummy updates of Salesforce database records and execution governors ]

I need to trigger updates of a whole bunch of records in a Salesforce database without really updating any values. This is to make a few formulas to recalculate some fields.

Here's what I tried - a schedulable class (say I want it to run every night):

global class acmePortfolioDummyUpdate implements Schedulable
    global void execute(SchedulableContext SC) 
        for (Acme_Portfolio__c p : [Select Id From Acme_Portfolio__c]) {

update(p) is a DML statement and Salesforce limits the number of them to 150. In my case it's about a few thousands of records.

Also, I need to do this across many different portfolios. SF limits the number of scheduled classes to 10.

Any workaround for this? Thanks

Answer 1

Try Batch Apex. You can schedule Your batch using schedulable class. Correct me if I'm wrong but aren't formulas recalculated each time You read them?

Edit: Comment don't have enought space. I'm not guarantee this will compile (dont have access to org right now), but try sth like this:

global class batchClass implements Database.batchable<sObject>{ 
    global Database.QueryLocator start(Database.BatchableContext BC){
        return Database.getQueryLocator('Select Id From Acme_Portfolio__c');    

    global void execute(Database.BatchableContext BC, List<sObject> scope){
        update scope;
    global void finish(Database.BatchableContext BC){

And run this from system log:

Database.executeBatch(new batchClass());