Visualforce Page:
<apex:page controller="bulkclcs" >
<apex:form >
<apex:commandButton value="Insert 15000 records" action="{!insertbulk}"/>
<apex:commandButton value="Delete them" action="{!deletebulk}"/>
</apex:form>
</apex:page>
Apex Class:
public with sharing class bulkclcs {
public PageReference deletebulk() {
delbatchcls obj = new delbatchcls();
database.executebatch(obj,100);
return null;
}
public PageReference insertbulk() {
globalbatchcls obj = new globalbatchcls();
database.executebatch(obj);
return null;
}
}
----------------------------------------------------------
global class globalbatchcls implements Database.batchable<sobject>{
global List<Account> start(Database.batchableContext bc){
LIst<Account> lst= new List<Account>();
for(integer i=0; i<15000; i++){
Account a = new Account();
a.name='Test'+i;
lst.add(a);
}
return lst;
}
global void execute(Database.batchableContext bc, List<Account> lst){
insert lst;
}
global void finish(Database.batchableContext bc){
}
}
---------------------------------------------------------------------------
global class delbatchcls implements database.batchable<sobject>{
global database.querylocator start(Database.BatchableContext bc ){
string searchedString = 'Test';
System.debug('Select id from Account where name LIKE \'%'+ searchedString + '%\'');
return database.getquerylocator('Select id from Account where name LIKE \'%'+ searchedString + '%\'');
}
global void execute(Database.BatchableContext bc, List<Account> lst ){
delete lst;
}
global void finish(Database.BatchableContext bc ){
}
}
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