Laravel 5.5错误基表或视图已存在:1050表'用户'已存在

Question

产品规格:

• Laravel版本:5.5.3
• PHP版本:7.1
• 数据库驱动程序和版本:MariaDB 10.1.26

描述:

C:/Users/user/code/blog/>php artisan migrate

[Illuminate\Database\QueryException]
SQLSTATE[42S01]: Base table or view already exists: 1050 Table 'users' already exists (SQL: create table users (id int unsigned not null aut
o_increment primary key, name varchar(255) not null, email varchar(255) not null, password varchar(255) not null, remember_token varchar
(100) null, created_at timestamp null, updated_at timestamp null) default character set utf8mb4 collate utf8mb4_unicode_ci engine = InnoDB R
OW_FORMAT=DYNAMIC)

[PDOException]
SQLSTATE[42S01]: Base table or view already exists: 1050 Table 'users' already exists

重现步骤:

 C:/Users/user/code/blog/>laravel new website

 C:/Users/user/code/blog/>php artisan make:migration create_lists_table --create=lists

 C:/Users/user/code/blog/>php artisan migrate

问题

它创建用户表并给出错误但不创建列表

Answer 1

以下是我为解决同一问题所采取的步骤:

1. 在我写的控制台中 php artisan tinker

2. 然后,再次在控制台中, Schema::drop('users')

3. 最后php artisan migrate,一切都奏效了.

Answer 2

我通过改变我的create_users_table.php解决了我自己的问题

<?php

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateUsersTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::dropIfExists('users');
        Schema::create('users', function (Blueprint $table) {
            $table->increments('id');
            $table->string('name');
            $table->string('email')->unique();
            $table->string('password');
            $table->rememberToken();
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('users');
    }
}

Answer 3

解决这个问题的简单方法是运行以下命令

php工匠迁移：新鲜

Answer 4

以下命令解决了我的问题：

 1. php artisan tinker
 2. Schema::drop('your_table_name')
 3. php artisan migrate

Answer 5

如果数据库中存在表，您可以通过添加以下代码跳过迁移表：

public function up()
{
    if(Schema::hasTable('users')) return;       //add this line to your database file

    Schema::create('users', function (Blueprint $table) {
        $table->increments('id');
        $table->timestamps();

    });
}