Reverse the migrations.

@return void
192328
public function down()
    {
        Schema::table('laradrop_files', function ($table) {
            $table->dropColumn('parent_id');
            $table->dropColumn('lft');
            $table->dropColumn('rgt');
            $table->dropColumn('depth');
            $table->dropColumn('type');
            $table->dropColumn('meta');
            $table->dropColumn('public_resource_url');
            $table->dropColumn('alias');
            $table->dropColumn('has_thumbnail');
        });
    }
779644
public function down()
    {
        Schema::table('activity_log', function (Blueprint $table) {
            $table->dropColumn('log_name');
            $table->dropColumn('description');
            $table->dropColumn('subject_id');
            $table->dropColumn('subject_type');
            $table->dropColumn('causer_type');
            $table->dropColumn('causer_id');
            $table->dropColumn('causer_type');
            $table->dropColumn('properties');

            $table->integer('user_id')->nullable();
            $table->string('text');
            $table->string('ip_address', 64);            
        });
    }
646368
public function down()
    {
        Schema::table('users', function (Blueprint $table) {
            $table->dropColumn('auth_type');
        });

        // Uncomment the section below if the users table was created above.
//        // Drop the users table.
//        Schema::drop('users');

        Schema::table('groups', function (Blueprint $table) {
            $table->dropColumn('resync_on_login');
        });

        // Uncomment the section below if the groups table was created above.
//        // Drop the groups table.
//        Schema::drop('groups');
//        // Drop the group user link table.
//        Schema::drop('group_user');
    }
1334219
public function down()
    {
        Schema::table(config('combine-core.tablePrefix', 'combine') . '_members', function (Blueprint $table) {
            $table->dropForeign(config('combine-core.tablePrefix', 'combine') . '_members_member_category_id_foreign');
            $table->dropColumn('member_category_id');
        });
    }
846092
public function down()
    {
        $controller = DB::table('admin_controllers')->select('id')->where('controller', '=', 'search')->first();
        $action = DB::table('admin_actions')->select('id')->where('name', '=', 'Search Log')->where('controller_id', '=', $controller->id)->first();


        DB::table('user_roles_actions')->where('action_id', '=', $action->id)->delete();
        DB::table('admin_actions')->where('id', '=', $action->id)->delete();
        DB::table('admin_controllers')->where('id', '=', $controller->id)->delete();
    }
945295
public function down()
    {
        Schema::table(config('lern.record.table'), function(Blueprint $table) {
            $table->dropColumn('user_id');
            $table->dropColumn('data');
            $table->dropColumn('url');
            $table->dropColumn('method');
        });
    }
912177
public function down()
    {
        Schema::drop('mediables');

        Media::all()->each(function ($media) {
            $media->delete();
        });

        Schema::drop('media');
    }
335444
public function down()
    {
        //
        Schema::table('users', function ($table) {
            $table->dropColumn('tmpPwd');
            $table->dropColumn('status');
            $table->dropColumn('connection');
        });
    }
376148
public function down()
    {
        $controller = DB::table('admin_controllers')->select('id')->where('controller', '=', 'adminsearch')->first();
        DB::table('admin_actions')->where('controller_id', '=', $controller->id)->where('action', '=', 'index')->delete();
        DB::table('admin_controllers')->where('id', '=', $controller->id)->delete();
    }
1291663
public function down()
    {
        DB::statement('alter table sites drop index sites_default');
        DB::statement('alter table album_asset drop index album_asset_asset_id');
        DB::statement('alter table assets drop index assets_created_at_asc');
        DB::statement('alter table assets drop index assets_created_at_desc');
        DB::statement('alter table albums drop index albums_deleted_at');
        DB::statement('alter table albums drop index albums_name_asc_deleted_at');
    }
205844
public function down()
    {
        $config = config('laravel-permission.table_names');

        Schema::drop($config['role_has_permissions']);
        Schema::drop($config['user_has_roles']);
        Schema::drop($config['user_has_permissions']);
        Schema::drop($config['roles']);
        Schema::drop($config['permissions']);
    }
1296737
public function down()
    {
        if(Schema::hasColumn('laramanager_objectables', 'laramanager_object_id'))
        {
            Schema::table('laramanager_objectables', function (Blueprint $table) {
                $table->renameColumn('laramanager_object_id', 'object_id');
                $table->renameColumn('laramanager_objectable_id', 'objectable_id');
                $table->renameColumn('laramanager_objectable_type', 'objectable_type');
            });
        }
    }
756632
public function down()
    {
        $this->db->createCommand("SET foreign_key_checks = 0")->execute();
        $this->dropTable('{{%property_property_group}}');

        $this->dropTable('{{%property_translation}}');
        $this->dropTable('{{%property}}');
        $this->dropTable('{{%property_group_translation}}');
        $this->dropTable('{{%property_group}}');

        $this->dropTable('{{%property_storage}}');

        $this->dropTable('{{%static_value_translation}}');
        $this->dropTable('{{%static_value}}');

        $this->dropTable(ApplicablePropertyModels::tableName());
        $this->dropTable('{{%property_handlers}}');
        $this->db->createCommand("SET foreign_key_checks = 1")->execute();
    }
966444
public function down()
    {
        Schema::table($this->tablename, function (Blueprint $table) {
            $table->dropUnique('settings_key_unique');
            $table->Index($this->keyColumn);
        });
    }
1343229
public function down()
    {
        $activity = new Activity();
        $connection = $activity->getConnectionName();
        $table = $activity->getTableName();

        Schema::connection($connection)->dropIfExists($table);
    }
771334
public function down()
    {
        Schema::drop('postal_codes');
        Schema::drop('neighborhoods');
        Schema::drop('districts');
        Schema::drop('counties');
        Schema::drop('provinces');
    }
601730
public function down()
    {
        Schema::table('notifications', function (Blueprint $table) {
            $table->renameColumn('expires_at', 'expire_time');
        });
        Schema::table('notifications', function (Blueprint $table) {
            $table->bigInteger('from_id')->unsigned()->change();
        });
    }