Get fields in SOQL from FIeldSet

global class BatchclassName implements Database.Batchable<sObject>, Database.Stateful, Database.AllowsCallouts{  

    global Database.QueryLocator start(Database.BatchableContext bc) {

        return gAllRecords();

    public Database.QueryLocator gAllRecords(){     

try{

//Create fieldset on Object and get fields in SOQL query, BankFieldSet this fieldset name on bank object


String queryString = 'Select Id';

for(Schema.FieldSetMember fieldMember : sObjectType.Bank__c.FieldSets.BankFieldSet.getFields()){

queryString += ', '+fieldMember.getFieldPath();}

system.debug('queryString@@@'+queryString);


queryString+=' FROM Bank__c WHERE isActive__c =true AND Location__c=\'Noida\' AND IsNeeded__c= true AND Status__c IN (\'Failed\',\'Unsuceess\') LIMIT '+Integer.valueOf(Label.LabelName);

return Database.getQueryLocator(queryString);


}catch(Exception ex){

ErrorLog__c log = new ErrorLog__c();

log.Message__c = ex.getLineNumber()+' : '+ex.getMessage();

insert log;}

return null;}

 global void execute(Database.BatchableContext bc, List<Bank__c> lstofbank){}

 

 global void finish(Database.BatchableContext bc){}


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