Laravel

Laravel `insert` Returns a Bool? Get Your Collection Fix

Struggling with Laravel's `insert()` method returning a boolean? Learn why this happens and discover the 'Insert and Retrieve' pattern to get your data back as a full Eloquent Collection.

A

Alexandre Dubois

Senior Laravel developer specializing in database optimization and high-performance application architecture.

7 min read4 views

The Common Confusion: Why Does `insert()` Return a Boolean?

You’ve meticulously prepared an array of data, ready to populate your database. You call Laravel's `DB::table('users')->insert($data)`, expecting to get back the newly created records, perhaps as an array of objects or even a handy Eloquent Collection. Instead, you get a simple, unceremonious `true`. What gives?

This is a classic rite of passage for many Laravel developers. The expectation clashes with the reality because of a fundamental distinction in how Laravel handles database interactions. The `insert()` method you're likely using belongs to Laravel's Query Builder, not the Eloquent ORM. Its job is to be a lean, fast, and direct interface to your database. It constructs and executes a raw SQL `INSERT` statement and reports back on one thing: whether the query was successful. It has no concept of models, relationships, or the data you just inserted beyond what's needed for the query itself.

Query Builder vs. Eloquent: The Fundamental Difference

To solve this puzzle, we must first understand the two primary ways Laravel talks to your database. They are designed for different purposes, and choosing the right one is key to writing clean and efficient code.

The Query Builder: `DB::table(...)->insert()`

Think of the Query Builder as a fluent, secure way to write raw SQL. It's database-agnostic and provides a programmatic interface for creating complex queries without writing SQL strings by hand.

When you use `DB::table('...')->insert()`, you are telling Laravel:

  • Performance First: "I need to insert these rows as quickly as possible. Don't worry about the overhead of creating model instances."
  • No Eloquent Magic: It will not automatically add `created_at` or `updated_at` timestamps.
  • No Model Events: It will not fire Eloquent events like `creating`, `created`, `saving`, or `saved`. This means any observers or model-level logic will be completely bypassed.
  • Simple Feedback: Its sole responsibility is to execute the `INSERT` statement and return `true` on success or `false` on failure.

This makes it ideal for high-volume data imports, seeding, or any scenario where raw insertion speed is the top priority.

The Eloquent ORM: `Model::create()`

Eloquent is Laravel's Object-Relational Mapper. It's a powerful and expressive way to interact with your database tables as if they were PHP objects. Each model corresponds to a table, and each instance of that model corresponds to a row.

When you use `User::create([...])`, you are engaging the full power of the ORM:

  • Model-Aware: It returns a fully-hydrated Eloquent model instance of the new record.
  • Automatic Timestamps: It automatically populates the `created_at` and `updated_at` columns.
  • Fires Model Events: It triggers all relevant model events, allowing your application to react to data changes.
  • Handles Accessors & Mutators: It respects any `get` or `set` attribute methods you've defined on your model.

The trade-off is a slight performance overhead for each record created. This is negligible for single inserts but can become significant when inserting thousands of rows in a loop.

The Fix: How to Get Your Collection After a Bulk Insert

So, how do we get the best of both worlds? We want the performance of a bulk `insert()` but the convenience of an Eloquent Collection containing our new models. The solution is the "Insert and Retrieve" pattern.

The strategy is simple: we perform the fast bulk insert, and then we immediately run a `SELECT` query to fetch the exact records we just created. The key to making this work reliably is having a unique identifier for each row that we can set before insertion.

Step 1: Prepare Your Data with a Unique Key

While you could try to retrieve records based on the data you inserted, this is brittle. What if other processes are inserting identical data? The most robust method is to use a universally unique identifier (UUID).

First, ensure your table has a UUID column. A typical migration would look like this:

// In your migration file
Schema::create('products', function (Blueprint $table) {
    $table->id();
    $table->uuid('uuid')->unique(); // The crucial column
    $table->string('name');
    $table->decimal('price', 8, 2);
    $table->timestamps();
});

Now, let's prepare our data array, adding a UUID to each record before we insert it.

use Illuminate\Support\Str;

$productsToInsert = [
    ['name' => 'Super Widget', 'price' => 19.99],
    ['name' => 'Mega Gadget', 'price' => 29.99],
    ['name' => 'Giga Gizmo', 'price' => 39.99],
];

$uuids = [];
$dataWithUuids = collect($productsToInsert)->map(function ($product) use (&$uuids) {
    $uuid = (string) Str::uuid();
    $uuids[] = $uuid;

    return array_merge($product, [
        'uuid' => $uuid,
        'created_at' => now(), // Manually add timestamps!
        'updated_at' => now(),   // Model::insert() doesn't do this automatically
    ]);
})->all();

Notice we captured the generated UUIDs in a separate `$uuids` array. This is what we'll use to retrieve our models. We also manually added timestamps, as `Model::insert()` won't do it for us.

Step 2: Perform the Bulk Insert

Now, we can use Eloquent's `insert()` method, which is a performant wrapper around the Query Builder's version but provides a slightly cleaner syntax.

use App\Models\Product;

// This will return `true`
Product::insert($dataWithUuids);

Our data is now in the database, fast and efficiently.

Step 3: Retrieve the Models as a Collection

This is the final, magical step. Using the `$uuids` array we saved earlier, we can fetch all the newly created records in a single, efficient query.

$newlyCreatedProducts = Product::whereIn('uuid', $uuids)->get();

// $newlyCreatedProducts is now an Eloquent Collection!
// You can loop over it, return it from an API, etc.

return $newlyCreatedProducts;

And there you have it! You've successfully performed a bulk insert and retrieved a fully-hydrated Eloquent Collection of your new models, ready for whatever you need to do next.

Method Comparison Table

Laravel Insert Method Comparison
MethodReturn ValuePerformanceModel EventsTimestampsBest Use Case
`DB::insert()`BooleanHighestNoNoRaw performance, seeding, logging.
`Model::insert()`BooleanHighNoNoBulk inserting from a model, when events/timestamps are not needed or handled manually.
`Model::create()`Model InstanceLower (per-call)YesYesSingle record creation, web forms, API endpoints where the new model is needed.
Insert & RetrieveEloquent CollectionHigh (2 queries)No (on insert)ManualBulk inserting and needing to work with the created models immediately.

Alternative Methods and When to Use Them

The "Insert and Retrieve" pattern is powerful, but it's not always necessary. Let's look at simpler scenarios.

For Single Records: `Eloquent::create()`

If you're only inserting one record at a time—for example, from a user registration form—don't overcomplicate things. The `create()` method is your best friend. It's clean, expressive, and gives you the model instance back directly.

$data = $request->validate([
    'name' => 'required|string|max:255',
    'email' => 'required|email|unique:users',
    'password' => 'required|min:8',
]);

$user = User::create($data); // Returns the new User model

return response()->json($user, 201);

For Small Batches: Looping with `create()`

What if you have a small number of records to insert (e.g., less than 50-100) and you need model events to fire for each one? In this case, the performance hit of looping might be acceptable.

$usersToCreate = [
    // ... array of user data
];

$createdUsers = collect($usersToCreate)->map(function ($userData) {
    return User::create($userData);
});

// $createdUsers is an Eloquent Collection of the new users.

Warning: Be mindful that this approach executes one `INSERT` query for every item in the array. This is an N+1 query problem for insertions and can be very slow for large datasets. Use it judiciously.

Conclusion: Choosing the Right Tool for the Job

The initial confusion over `insert()` returning a boolean is a valuable lesson in Laravel's architecture. It highlights the clear separation between the raw power of the Query Builder and the intelligent convenience of the Eloquent ORM. By understanding the purpose of each, you can write more efficient and intentional code.

Remember the a-ha moment: if you need performance for bulk inserts but still want your models back, the "Insert and Retrieve" pattern using UUIDs is your go-to solution. It's the perfect blend of speed and usability, turning a potential frustration into a powerful tool in your developer arsenal.