Book Image

Salesforce Lightning Platform Enterprise Architecture - Third Edition

By : Andrew Fawcett
Book Image

Salesforce Lightning Platform Enterprise Architecture - Third Edition

By: Andrew Fawcett

Overview of this book

Salesforce Lightning provides a secure and scalable platform to build, deploy, customize, and upgrade applications. This book will take you through the architecture of building an application on the Lightning platform to help you understand its features and best practices, and ensure that your app keeps up with your customers’ increasing needs as well as the innovations on the platform. This book guides you in working with the popular aPaaS offering from Salesforce, the Lightning Platform. You’ll see how to build and ship enterprise-grade apps that not only leverage the platform's many productivity features, but also prepare your app to harness its extensibility and customization capabilities. You'll even get to grips with advanced application architectural design patterns such as Separation of Concerns, Unit Testing and Dependency Integration. You will learn to use Apex and JavaScript with Lightning Web Components, Platform Events, among others, with the help of a sample app illustrating patterns that will ensure your own applications endure and evolve with the platform. Finally, you will become familiar with using Salesforce DX to develop, publish, and monitor a sample app and experience standard application life cycle processes along with tools such as Jenkins to implement CI/CD. By the end of this book, you will have learned how to develop effective business apps and be ready to explore innovative ways to meet customer demands.
Table of Contents (17 chapters)

Indexes, being selective, and query optimization

In this section, we will review when system and custom indexes maintained by the Lightning Platform are used to make queries more performant and, once larger query results are returned, the ways in which they can be most effectively consumed by your Apex logic.

Standard and custom indexes

As with other databases, Lightning Platform maintains database indexes as record data is manipulated to ensure that, when data is queried, such indexes can be used to improve query performance. Due to the Lightning Platform's multitenancy, it has its own database index implementation (instead of using the underlying Oracle database indexes) that considers the needs of each tenant...