Laravel 5.0，遷移：如何使整數不是主鍵？

Question

我想用下面的元素移植一張表格。

public function up() { 
    Schema::create('users', function(Blueprint $table) { 
     $table->increments('id'); 
     $table->integer('LoginID', 9)->unsigned(); 
     $table->string('username'); 
     $table->string('email')->unique(); 
     $table->string('password', 60)->unique(); 
     $table->rememberToken(); 
     $table->timestamps(); 
    }); 
} 

但是，我一直在處理下面的錯誤。 有誰知道如何使整「登錄ID不是主鍵，這樣我可以遷移見下表？任何意見讚賞。在此先感謝。

[Illuminate\Database\QueryException]
SQLSTATE[HY000]: General error: 1 table "users" has more than one primary key (SQL: create table "users" ("id" integer not null primary key autoincrement, "LoginID" integer not null primary key autoincrement, "username" varchar not null, "email" varchar not null, "password" varchar not null, "remember_token" varchar null, "created_at" date time not null, "updated_at" datetime not null))

Answer 1

你不應該叫

$table->primary('id'); 

要將id列標記爲主鍵？

Answer 2

問題是，您使用函數->integer()與第二個參數。根據docs第二個參數需要一個布爾值來設置自動增量或不：bool $autoIncrement = false）。

試試這個：

public function up() { 
    Schema::create('users', function(Blueprint $table) { 
     $table->increments('id'); 
     $table->integer('LoginID')->unsigned(); 
     $table->string('username'); 
     $table->string('email')->unique(); 
     $table->string('password', 60)->unique(); 
     $table->rememberToken(); 
     $table->timestamps(); 
    }); 
} 

Answer 3

試試這個

$table->integer('company_tel')->length(10)->unsigned(); 

或本

$table->integer('company_tel', false, true)->length(10); 

詳情請參閱https://laracasts.com/discuss/channels/general-discussion/why-am-i-getting-a-database-error-on-migration