database/migrations/2018_10_10_075224_create_priorities_table.php
<?php
use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;
use Illuminate\Support\Facades\DB;
class CreatePrioritiesTable extends Migration
{
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
// Remove priority column from the tasks table.
if (Schema::hasTable('tasks')
&& Schema::hasColumn('tasks', 'priority')) {
Schema::table('tasks', function (Blueprint $table) {
$table->dropColumn('priority');
});
}
// Add priorities table.
if (!Schema::hasTable('priorities')) {
Schema::create('priorities', function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->timestamps();
});
}
}
/**
* Reverse the migrations.
*
* @return void
*/
public function down()
{
// Add priority column to the tasks table.
if (Schema::hasTable('tasks')
&& !Schema::hasColumn('tasks', 'priority')) {
Schema::table('tasks', function (Blueprint $table) {
$table->string('priority');
});
}
// Remove priorities table.
Schema::dropIfExists('priorities');
}
}