{"id":5073,"date":"2021-10-04T04:57:38","date_gmt":"2021-10-04T04:57:38","guid":{"rendered":"https:\/\/studysection.com\/blog\/?p=5073"},"modified":"2021-10-04T05:31:55","modified_gmt":"2021-10-04T05:31:55","slug":"writing-a-script-to-be-executed-in-a-salesforce-org","status":"publish","type":"post","link":"https:\/\/studysection.com\/blog\/writing-a-script-to-be-executed-in-a-salesforce-org\/","title":{"rendered":"Writing a script to be executed in a Salesforce Org"},"content":{"rendered":"

For updating fields on Custom Object records, make a new Salesforce apex class that implements a Database.Batchable interface and then update the fields on the existing records.<\/p>\n

In the following scenario, we will take a Custom_Object__c and its field would be updated
\nglobal class UpdateCustomObjectField implements Database.Batchable, Database.Stateful{
\n \/\/ instance member to retain state across transactions
\n global Integer recordsProcessed = 0;
\n global Database.QueryLocator start(Database.BatchableContext bc){
\n system.debug('Start Called');
\n return Database.getQueryLocator('SELECT ID, FieldA, FieldB FROM Custom_Object__c' +
\n 'WHERE FieldA = \\'anyValue\\'');
\n }
\n global void execute(Database.BatchableContext bc, List<Custom_Object__c> scope){
\n system.debug('Execute Called');
\n \/\/ process each batch of records
\n List objList = new List<Custom_Object__c>();
\n for (Custom_Object__c objVariable : scope){
\n objVariable.FieldA = 'new value for FIeldA';
\n objVariable.FieldB = 'new value for FIeldB';
\n \/\/ add objVariable to list to be updated
\n objList.add(objVariable);
\n \/\/ increment the instance member counter
\n recordsProcessed = recordsProcessed + 1;
\n }
\n update objList;
\n }
\n global void finish(Database.BatchableContext bc){
\n system.debug('Finish Called');
\n System.debug('The number of records processed are : ' + recordsProcessed);
\n AsyncApexJob job = [SELECT Id, Status, NumberOfErrors, JobItemsProcessed, TotalJobItems
\n FROM AsyncApexJob
\n WHERE Id = :bc.getJobId()];
\n }
\n}<\/code><\/p>\n

To execute this class when deploying a managed package into a Salesforce Org Open Anonymous window from Developer<\/a> Console and call the above class from there by instantiating its object as :
\n UpdateCustomObjectField obj = new UpdateCustomObjectField();
\n Id batchId = Database.executeBatch(obj, 100);<\/code><\/p>\n

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For updating fields on Custom Object records, make a new Salesforce apex class that implements a Database.Batchable interface and then<\/p>\n","protected":false},"author":1,"featured_media":5074,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[41,718],"acf":[],"yoast_head":"\nWriting a script to be executed in a Salesforce Org - SS Blog<\/title>\n<meta name=\"description\" content=\"To update fields on Custom Object records, make a Salesforce apex class to implement Database. 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