Database

Lucid

8 Series
75 Lessons
26h 38m

Lucid is AdonisJS' Object Relational Mapping (ORM). It's a first-party package that follows the active record pattern. With it you can easily perform CRUD operations, add database hooks, normalize data, and so much more.

Series.

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AdonisJS 6 Session Authentication in 15 Minutes
AdonisJS in 15 #5.0
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Apr 18

AdonisJS 6 Session Authentication in 15 Minutes

In this lesson, we'll learn how to add authentication to a new AdonisJS 6 application using the session guard. In these 15 minutes, you'll learn how to register a user, logout a user, verify a user's credentials and log them in, and more.

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Sorting and Filtering Pivot Table Data
Let's Learn AdonisJS 6 #5.13
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Apr 05

How To Query, Sort, and Filter by Pivot Table Data

In this lesson, we'll learn how we can query pivot table data. We'll then learn how we can also sort and filter our results by those pivot table columns as well.

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Data Pools
Let's Learn AdonisJS 6 #5.12
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Apr 05

How To Create Factory Relationships from a Pool of Data

In this lesson, we'll learn how we can refactor our fake data seeder to allow us to assign cast members and crew members to our movies via our many-to-many relationships from a single pool of cineast records.

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Relationship CRUD
Let's Learn AdonisJS 6 #5.11
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Apr 02

A Deep Dive Into Relationship CRUD with Models

In this lesson, we'll take a deep look at how we can perform CRUD operations with one-to-one, one-to-many, many-to-one, and many-to-many relationships using our Lucid Models.

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Many to Many Relationship Model Factories
Let's Learn AdonisJS 6 #5.10
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Apr 02

Many-To-Many Model Factory Relationships

In this lesson, we'll learn how we can define and use many-to-many relationships with Model Factories, including how we can define pivot table data when creating our fake records.

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Defining Many to Many Relationships
Let's Learn AdonisJS 6 #5.9
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Apr 02

Defining Many-To-Many Relationships and Pivot Columns

In this lesson, we'll learn how you can define many-to-many relationships within your Lucid ORM Models. We'll also discuss the relationship options, and how you can automatically include pivot table data with all queries.

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Using Eager and Lazy Loading to Load A Movie's Writer and Director
Let's Learn AdonisJS 6 #5.8
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Mar 26

Using Eager and Lazy Loading to Load A Movie's Writer and Director

In this lesson, we'll learn how we can use eager loading to preload our writer and director onto our movie's details. We'll then, learn how we can load our writer and director onto our movie's details using lazy loading.

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Listing and Counting a Writer's Movies
Let's Learn AdonisJS 6 #5.7
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Mar 26

Listing and Counting a Writer's Movies

In this lesson, we'll learn how we can perform multiple different relationship counts with the same relationship using the Model Query Builder. We'll count our writer's total number of released and not-released movies.

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Listing A Director's Movies with Relationship Existance Queries
Let's Learn AdonisJS 6 #5.6
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Mar 26

Listing A Director's Movies with Relationship Existence Queries

In this lesson, we'll learn how we can perform a relationship existence check to grab a list of our cineasts who have directed one or more movies. We'll then create a show page for that director, listing the movies that they directed.

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One to Many Factory Relationships
Let's Learn AdonisJS 6 #5.5
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Mar 22

Seeding Movies with One to Many Model Factory Relationships

In this lesson, we'll learn how we can use Model Factory Relationships to create a pool of cineasts to bind to our movies. This will create cineasts bound to many movies as a writer, director, or both.

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Defining One to Many Relationships with Lucid Models
Let's Learn AdonisJS 6 #5.4
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Mar 22

Defining One to Many Relationships with Lucid Models

In this lesson, we'll learn how to define one-to-many and many-to-one relationships using Lucid Models. We'll also learn how we can specify the columns that should be used for a relationship, allowing us to use one model for multiple relationships.

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Cascading and Deleting Model Relationships
Let's Learn AdonisJS 6 #5.3
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Mar 22

Cascading and Deleting Model Relationships

In this lesson, we'll learn how to account for foreign key constraints when deleting relationships using our Lucid Models. We'll then learn how we can automatically cascade deletions through to relationships.

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Querying Relationships and Eager Vs Lazy Loading
Let's Learn AdonisJS 6 #5.2
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Mar 18

Querying Relationships and Eager Vs Lazy Loading

In this lesson, we'll learn how we can query our relationships using our Lucid Models. We'll then learn what the difference is between eagerly loading a relationship (load) and lazily loading a relationship (preload).

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Factory Relationships
Let's Learn AdonisJS 6 #5.1
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Mar 18

Model Factory Relationships

In this lesson, we'll learn how to use relationships with our Model Factories; easing our capabilities to quickly generate fake data with relationships.

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Defining One to One Relationships
Let's Learn AdonisJS 6 #5.0
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Mar 18

Defining One to One Relationships Within Lucid Models

In this lesson, we'll learn how to define one-to-one relationships within our Lucid Models. We'll learn about the belongs to and has one decorators, their options, and types that make this possible.

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Generating A Movie Slug Using Model Hooks
Let's Learn AdonisJS 6 #4.17
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Mar 15

Generating A Unique Movie Slug With Model Hooks

In this lesson, we'll learn how we can use Model Hooks to generate a unique URL-safe slug based on the movie's title.

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Querying Recently Released and Releasing Soon Movies
Let's Learn AdonisJS 6 #4.16
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Mar 15

Querying Recently Released and Coming Soon Movies

In this lesson, we'll learn how to use the Model Query Builder to query our movies that have been recently released. We'll then do a separate query to get movies that are coming soon.

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Altering Factory States
Let's Learn AdonisJS 6 #4.15
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Mar 15

Tapping into Model Factory States

In this lesson, we'll dive a little bit deeper into Model Factories by introducing factory states. We'll also learn how we can use the tap method to alter a factory result prior to it persisting into the database

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Reusable Query Statements with Model Query Scopes
Let's Learn AdonisJS 6 #4.14
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Mar 11

Reusable Query Statements with Model Query Scopes

In this lesson, we'll learn about Model Query Scopes and how we can use them to create easily reusable query statements that we can apply using the Model Query Builder.

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SQL Parameters and Injection Protection
Let's Learn AdonisJS 6 #4.13
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Mar 11

SQL Parameters and Injection Protection

In this lesson, we'll learn about SQL Parameters, also called query bindings, and how using them helps safeguard our database from malicious attacks attempting to perform SQL Injection.

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