Laravel change foreign key name

Laravel foreign key

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
    $table->foreignId('user_id')->constrained();
});

Create foreign key laravel migration

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});

Laravel adding Foreign Key Constraints

$table->foreignId('user_id')
      ->constrained("users") <- // You don't need to specify table if it matched laravel naming conventions.
      ->onUpdate('cascade')
      ->onDelete('cascade');

Source: laravel.com

Laravel change foreign key name

//Note : Before Renaming Foreign, You Must Need To Delete Old Foreign And Assign New One
class RenameColumn extends Migration
{

    public function up()
    {
        Schema::table('holidays', function(Blueprint $table) {
            $table->dropForeign('holidays_account_id_foreign');
            $table->renameColumn('account_id ', 'engagement_id');

            $table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
        });
    }

    public function down()
    {
        Schema::table('holidays', function(Blueprint $table) {
            $table->dropForeign('holidays_engagement_id_foreign');
            $table->renameColumn('account_id ', 'engagement_id');

            $table->foreign('account_id')->references('id')->on('accounts')->onDelete('cascade');
        });
    }
}

Source: stackoverflow.com

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