Apex Developer Guide

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Apex Developer Guide
Release Notes
Getting Started with Apex
Writing Apex
Running Apex
Invoking Apex
Apex Transactions and Governor Limits
Using Salesforce Features with Apex
Actions
Apex Cursors (Beta)
Approval Processing
Authentication
Chatter Answers and Ideas
Use Cases for the CommercePayments Namespace
Connect in Apex
Moderate Chatter Private Messages with Triggers
Data Cloud In Apex
DataWeave in Apex
Moderate Feed Items with Triggers
Experience Cloud Sites
Email
External Services
Flows
Formula Evaluation in Apex
Metadata
Permission Set Groups
Platform Cache
Salesforce Knowledge
Salesforce Files
Salesforce Connect
Apex Considerations for Salesforce Connect External Objects
Writable External Objects
External Change Data Capture Packaging and Testing
Mock SOQL Tests for External Objects
Get Started with the Apex Connector Framework
Key Concepts About the Apex Connector Framework
External IDs for Salesforce Connect External Objects
Authentication for Salesforce Connect Custom Adapters
Callouts for Salesforce Connect Custom Adapters
Paging with the Apex Connector Framework
queryMore with the Apex Connector Framework
Support queryMore by Using Server-Driven Paging
Support queryMore by Using Client-Driven Paging
Aggregation for Salesforce Connect Custom Adapters
Filters in the Apex Connector Framework
Considerations for the Apex Connector Framework
Apex Connector Framework Examples
Salesforce Reports and Dashboards API via Apex
Salesforce Sites
Support Classes
Territory Management 2.0
Integration and Apex Utilities
Debugging, Testing, and Deploying Apex
Apex Reference
Appendices
PDF

queryMore with the Apex Connector Framework

Custom adapters for Salesforce Connect don’t automatically support the queryMore method in API queries. However, your implementation must be able to break up large result sets into batches and iterate over them by using the queryMore method in the SOAP API. The default batch size is 500 records, but the query developer can adjust that value programmatically in the query call.
To support queryMore, your implementation must indicate whether more data exists than what’s in the current batch. When the Lightning Platform knows that more data exists, your API queries return a QueryResult object that’s similar to the following.
{
         "totalSize" => -1,
              "done" => false,
    "nextRecordsUrl" => "/services/data/v32.0/query/01gxx000000B5OgAAK-2000",
           "records" => [
        [   0] {
            "attributes" => {
                "type" => "Sample__x",
                 "url" => 
                     "/services/data/v32.0/sobjects/Sample__x/x06xx0000000001AAA"
            },
            "ExternalId" => "id0"
        },
        [   1] {
            "attributes" => {
                "type" => "Sample__x",
                 "url" => 
                     "/services/data/v32.0/sobjects/Sample__x/x06xx0000000002AAA"
            },
…
}