increments('id'); $table->integer('user_id')->unsigned(); $table->string('title')->index(); $table->string('slug')->index(); $table->text('description'); $table->integer('cover_id')->unsigned()->nullable(); $table->integer('track_count')->unsigned(); $table->integer('view_count')->unsigned(); $table->integer('download_count')->unsigned(); $table->integer('favourite_count')->unsigned(); $table->integer('comment_count')->unsigned(); $table->timestamps(); $table->timestamp('deleted_at')->nullable()->index(); $table->foreign('cover_id')->references('id')->on('images'); $table->foreign('user_id')->references('id')->on('users'); }); Schema::table('tracks', function($table) { $table->integer('album_id')->unsigned()->nullable(); $table->integer('track_number')->unsigned()->nullable(); $table->foreign('album_id')->references('id')->on('albums'); }); } public function down() { Schema::table('tracks', function($table) { $table->dropForeign('tracks_album_id_foreign'); $table->dropColumn('album_id'); $table->dropColumn('track_number'); }); Schema::drop('albums'); } }