• #18677
    Salesforce | Suraj Suraj #188
    Forcetalks

    Difference between Database.QueryLocator() and Iterable in BatchApex?

    Database.QueryLocator() and Iterable in BatchApex in Salesforce – What is the difference between these two return type of start method in batch class? When we use QueryLocator and When we use Iterable?

     

    #18933
    Salesforce | Manpreet Manpreet #52
    Forcetalks

    Hi Suraj,

    “Difference between Database.QueryLocator() and Iterable in BatchApex?” – The answer depends on your need, if you want to run a batch on records that can be filtered by SOQL then QueryLocator is preferable, but if records that you want to be processed by batch cannot be filtered by SOQL then you will have to use Iterable. But most of the cases it will be achieved by query locator, so query locator is preferable so just try with it if you scope is complex and can not be achieved by SOQL then go with Iterable.

    Thanks.

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