I have a this error en laravel : Syntax error or access violation: 1075 Incorrect table definition.How do I solve this problem?

** SQLSTATE[42000]: Syntax error or access violation: 1075 Incorrect table definition; there can be only one auto column and it must be defined as a key (SQL: create table loans (id_loan int unsigned not null auto_increment primary key, book_id bigint unsigned not null auto_increment primary key, user_id bigint unsigned not null auto_increment primary key, date_vto date not null) default character set utf8mb4 collate ‘utf8mb4_unicode_ci’).How do I solve this problem?

**

Migrations

public function up()
{
Schema::create('books', function (Blueprint $table) {
$table->increments('id_book');
$table->string('title');
$table->integer('amount');
});
}
public function up()
{
Schema::create('users', function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->string('username');
$table->string('password');
$table->string('role');

});
}
public function up()
{
Schema::create('loans', function (Blueprint $table) {
$table->increments('id_loan');
$table->bigIncrements('book_id')->unsigned();
$table->bigIncrements('user_id')->unsigned();
$table->date('date_vto');

$table->foreign('book_id')->references('id_book')->on('books')->onDelete('cascade');
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
});
}

Models books

public function loans(){
return $this->hasMany(Loans::class);
}

Models Loans

public function books()
{
return $this->belongsTo(Books::class, 'book_id', 'id_book');
}
public function users()
{
return $this->belongsTo(Users::class, 'user_id', 'id');
}

Models Users

public function loans(){
return $this->hasMany(Loans::class);
}

from Newest questions tagged laravel-5 – Stack Overflow https://ift.tt/3wdTQ49
via IFTTT

Related Posts

Codeigniter : Parse error: syntax error, unexpected ‘const’ (T_CONST), expecting variable (T_VARIABLE) in Laravel project

I’m getting following error: **Parse error: syntax error, unexpected ‘const’ (T_CONST), expecting variable (T_VARIABLE)** Note : It’s working in local but facing issue in production server. private…

Firebase receive notification while tab is active or on focus

What i want is to be able to perform an action when a user receives a notification while the browser is open and tab is active or…

Laravel’s alias loader does not find class

We have a legacy project that we cannot update and we need to make some changes in symfony’s Response.php in vendor. We have solved this by copying…

Laravel 5 – generic document management

I have a system where you can create different types of unique documents. For instance, one document is called Project Identified and this expects certain inputs. Originally,…

Laravel Nova limit the results in indexQuery

I ran intro a situation where I need to limit the results of a resource to only 3 results. To be more specific, based on the logged…

Auditoria en laravel 5.8 [closed]

Cómo puedo automatizar el registro de actividades de un usuario en laravel? Si un usuario ingresa a un app de laravel, debo guardar toda su actividas, a…

Leave a Reply

Your email address will not be published.