Inside this article we will see the concept i.e How To Drop Column From Migration in Laravel Tutorial. Article contains the classified information about Laravel Remove Column From Table In Migration.
If you are looking to find a solution i.e How To Drop Column in Laravel Using Migration then you are at the right place to learn and implement.
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Let’s get started.
Laravel Installation
Open terminal and run this command to create a laravel project.
composer create-project laravel/laravel myblog
It will create a project folder with name myblog inside your local system.
To start the development server of laravel –
php artisan serve
URL: http://127.0.0.1:8000
Assuming laravel already installed inside your system.
Example #1: Remove Column Using Migration
Let’s create a migration file.
$ php artisan make:migration change_posts_table
It will create a file i.e xxx_change_posts_table.php inside /database/migrations folder.
<?php use Illuminate\Database\Migrations\Migration; use Illuminate\Database\Schema\Blueprint; use Illuminate\Support\Facades\Schema; return new class extends Migration { /** * Run the migrations. * * @return void */ public function up() { Schema::table('posts', function (Blueprint $table) { $table->dropColumn('body'); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::dropIfExists('posts'); } };
Concept
$table->dropColumn('body');
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Next, run this command.
$ php artisan migrate
Once you migrate, it will drop body column from table posts.
Example #2: Remove Multiple Column Using Migration
Again, consider the same migration file.
$ php artisan make:migration change_posts_table
It will create a file i.e xxx_change_posts_table.php inside /database/migrations folder.
<?php use Illuminate\Database\Migrations\Migration; use Illuminate\Database\Schema\Blueprint; use Illuminate\Support\Facades\Schema; return new class extends Migration { /** * Run the migrations. * * @return void */ public function up() { Schema::table('posts', function (Blueprint $table) { $table->dropColumn(['body', 'title']); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::dropIfExists('posts'); } };
Concept
$table->dropColumn(['body', 'title']);
Next, run this command.
$ php artisan migrate
Once you migrate, it will drop body, title column from table posts.
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Example #3: Remove Column If Exists Using Migration
Again, consider the same migration file for posts table.
$ php artisan make:migration change_posts_table
It will create a file i.e xxx_change_posts_table.php inside /database/migrations folder.
<?php use Illuminate\Database\Migrations\Migration; use Illuminate\Database\Schema\Blueprint; use Illuminate\Support\Facades\Schema; return new class extends Migration { /** * Run the migrations. * * @return void */ public function up() { if (Schema::hasColumn('posts', 'body')){ Schema::table('posts', function (Blueprint $table) { $table->dropColumn('body'); }); } } /** * Reverse the migrations. * * @return void */ public function down() { Schema::dropIfExists('posts'); } };
Concept
if (Schema::hasColumn('posts', 'body')){
Schema::table('posts', function (Blueprint $table) {
$table->dropColumn('body');
});
}
Next, run this command.
$ php artisan migrate
Once you migrate, it will check if column body exists. And if Yes, then it drops that from posts table.
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We hope this article helped you to learn about How To Drop Column From Migration in Laravel Tutorial in a very detailed way.
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