It can be explicitly change in the migration file name change also the Model name and the controller query if you use that model for a query. Also make sure that the parent table that you are referencing is on top of a child migration table or else you can't migrate it. You can chan...
您的表关系是orders-order_product-products。https://webdevetc.com/blog/laravel-naming-conventions/ ...
DB::table('users') ->where('id', $userId) ->update(['name' => '新的名字']); 这样,表中的原始值就会被更新为新的值。 对于Laravel 5.2的更多信息和详细文档,请参考Laravel 5.2官方文档。 相关搜索: Laravel :如何使用表中的外键更新布尔值 Laravel Backpack添加/更新数据透视表值 从两个不同的表...
public function up() { Schema::table('users', function (Blueprint $table) { $table->string('age')->change(); }); } 然后,在down方法中,可以撤销对列数据类型的更改。例如,将age列的数据类型改回整数: 代码语言:txt 复制 public function down() { Schema::table('users', function (Blueprint...
如果是修改,就调用change方法即可,比如想增加name字段的字符串长度: 1Schema::table('users', function (Blueprint $table) {2$table->string('name', 50)->change();3}); 比如将字段修改为可空: 1Schema::table('users', function (Blueprint $table) {2$table->string('name', 50)->nullable()-...
if (!Schema::hasTable('users')) { Schema::create('users', function (Blueprint $table) { $table->bigIncrements('id'); $table->string('name'); $table->string('email')->unique(); $table->timestamp('email_verified_at')->nullable(); $table->string('password'); $tab...
$table->string('name',100)->change(); 看,只用调用一个change方法,就搞定了。这个方法最终使用的是类似下面的SQL语句: altertable`users`alter`name`varchar(100); 当然还可以对字段的默认值约束进行修改: $table->string('deleted_at')->nullable()->change(); ...
'status_model'=>Spatie\ModelStatus\Status::class,/** The name of the column which holds the ID of the model related to the statuses.** You can change this value if you have set a different name in the migration for the statuses table.*/'model_primary_key_attribute'=>'model_id', ]...
Cache::tags([Post::table(), 'model'])->flush(); } public function saving() { } public function deleted() { } } 这里使用flush()方法只刷指定tag的缓存键,免得把别的key也刷了。这里打的标签其实是:['posts', 'model'],Post::table()定义返回Model关联的表名,看下Post这个Model: ...
So, in this example, Eloquent will assume the Post model's foreign key on the comments table is post_id.However, if the foreign key for your relationship does not follow these conventions, you may pass a custom foreign key name as the second argument to the belongsTo method:/** * Get...