/**
  * Run the migrations.
  *
  * @return void
  */
 public function up()
 {
     Schema::create('conference_sponsors', function (Blueprint $table) {
         $table->increments('id');
         $table->integer('conference_id');
         $table->integer('sponsor_id');
         $table->string('sponsorship');
         $table->timestamps();
         $table->timestamp('published')->nullable();
         $table->softDeletes();
     });
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 1, 'sponsorship' => 'Gold', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 2, 'sponsorship' => 'Ruby', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 3, 'sponsorship' => 'Diamond', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 4, 'sponsorship' => 'Gold', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 5, 'sponsorship' => 'Ruby', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 6, 'sponsorship' => 'Gold', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 7, 'sponsorship' => 'Diamond', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 8, 'sponsorship' => 'Gold', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 9, 'sponsorship' => 'Gold', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 10, 'sponsorship' => 'Ruby', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 11, 'sponsorship' => 'Diamond', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
     ConferenceSponsor::create(['conference_id' => 1, 'sponsor_id' => 12, 'sponsorship' => 'Gold', 'published' => Carbon::create(2015, 00, 15, 07, 30, 00)]);
 }