blocks|key|5287369|text|当您运行php+artisan+migrate时，它将检查迁移表，如果迁移文件夹中没有新文件，它将不会显示任何要迁移的内容。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|5287370|如果要回滚上一次迁移，则为|5287371|。|blockquote|5287372|5287373|5287374|要回滚最新的迁移操作，可以使用rollback命令。此命令回滚最后一批迁移，其中可能包含多个迁移文件：|5287375|php+artisan+migrate:rollback|code-block|syntax|javascript|5287376|它将删除最后创建的表。|5287377|migrate:reset命令将回滚应用程序的所有迁移：|5287378|php+artisan+migrate:reset|5287379|migrate:fresh命令将删除所有表。|5287380|php+artisan+migrate:fresh

php+artisan+migrate:fresh+--seed|5287381|更多信息：document|5287382|entityMap|0|LINK|mutability|MUTABLE|url|https://laravel.com/docs/5.0/migrations#rolling-back-migrations^0|4|J|0|0|0|0|0|F|8|0|0|0|0|D|0|0|0|D|0|0|5|8|0|0^^$0|@$1|2|3|4|5|6|7|1D|8|@$9|1E|A|1F|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|1G|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|1H|8|@]|D|@]|E|$]]|$1|K|3|-4|5|6|7|1I|8|@]|D|@]|E|$]]|$1|L|3|-4|5|6|7|1J|8|@]|D|@]|E|$]]|$1|M|3|N|5|6|7|1K|8|@$9|1L|A|1M|B|C]]|D|@]|E|$]]|$1|O|3|P|5|Q|7|1N|8|@]|D|@]|E|$R|S]]|$1|T|3|U|5|6|7|1O|8|@]|D|@]|E|$]]|$1|V|3|W|5|6|7|1P|8|@$9|1Q|A|1R|B|C]]|D|@]|E|$]]|$1|X|3|Y|5|Q|7|1S|8|@]|D|@]|E|$R|S]]|$1|Z|3|10|5|6|7|1T|8|@$9|1U|A|1V|B|C]]|D|@]|E|$]]|$1|11|3|12|5|Q|7|1W|8|@]|D|@]|E|$R|S]]|$1|13|3|14|5|6|7|1X|8|@]|D|@$9|1Y|A|1Z|1|20]]|E|$]]|$1|15|3|-4|5|6|7|21|8|@]|D|@]|E|$]]]|16|$17|$5|18|19|1A|E|$1B|1C]]]]

When you run <code>php artisan migrate</code> it'll check migration table if there is no new file in the migration folder it'll show you nothing to migrate.

<blockquote>
 If you want to rollback last migration.
</blockquote>

To <code>rollback</code> the latest migration operation, you may use the rollback command. This command rolls back the last "batch" of migrations, which may include multiple migration files:

<pre><code>php artisan migrate:rollback
</code></pre>

It'll delete the last created table.

The <code>migrate:reset</code> command will roll back all of your application's migrations:

<pre><code>php artisan migrate:reset
</code></pre>

The <code>migrate:fresh</code> command will drop all tables.

<pre><code>php artisan migrate:fresh

php artisan migrate:fresh --seed
</code></pre>

more info : <a href="https://laravel.com/docs/5.0/migrations#rolling-back-migrations" rel="nofollow noreferrer">document</a>

blocks|key|2202557|text|如果您有种子数据，那么只需执行以下操作:+php+artisan+migrate:+fresh+--+seed。它有助于使用seeder数据重新迁移迁移|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2202558|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

If you have seeder data then you simply do: php artisan migrate: fresh -- seed . It help to re-migrate your migration with seeder data

blocks|key|295904|text|可悲的是不可能。最好的解决方法是使用种子程序，并在使用php+artisan+migrate:fresh之后使用php+artisan+db:seed。你为什么不想用它呢？|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|295905|entityMap^0|R|P|1K|J|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

Sadly impossible. The best workaround is to use seeders and use <code>php artisan db:seed</code> after you use <code>php artisan migrate:fresh</code>. Why don't you want to use that?

blocks|key|2202502|text|你没有很好地理解迁移机制。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2202503|2202504|，但是如果我更改了迁移文件中的某些内容，然后运行php+artisan+migrate，则不会显示要迁移的内容|blockquote|2202505|2202506|2202507|您可以编写迁移来对数据库进行一些更改，然后运行一次。如果您想对数据库进行下一次更新，则需要进行下一次迁移。|2202508|在开发过程中，您可以通过php+artisan+migrate:fresh重新运行迁移，但在生产环境中，请确保迁移完成您想要的一切。|offset|length|style|CODE|2202509|Laravel将有关迁移的信息存储在表'+migrations‘中的数据库中。如果要重置某些迁移文件，可以尝试删除或编辑该表中的一些记录。|2202510|entityMap^0|0|0|0|0|0|0|C|P|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|U|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|V|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|W|8|@]|9|@]|A|$]]|$1|G|3|-4|5|6|7|X|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|Z|8|@$L|10|M|11|N|O]]|9|@]|A|$]]|$1|P|3|Q|5|6|7|12|8|@]|9|@]|A|$]]|$1|R|3|-4|5|6|7|13|8|@]|9|@]|A|$]]]|S|$]]

You didn't understand well migrations mechanics. 

<blockquote>
 but if i change something in the migration file and then i run php artisan migrate it shows nothing to migrate
</blockquote>

You write migration to make some changes in database and run it once. If you want to do next updates to database you need next migration.

During development process you can rerun migrations by <code>php artisan migrate:fresh</code>, but on production make sure your migration makes everything you want.

Laravel stores informations about migrations in database in table 'migrations'. If you want to reset some migrations files you can try deleting or edit some records in that table.

blocks|key|3176245|text|有两件事你可以使用1。在你的数据库中有一个叫做迁移的表。从那里删除您要迁移的行。那应该在那里。2.在数据库/migrations/文件夹中创建一个文件夹。并将迁移文件放入文件夹中，然后在命令提示符下运行以下命令：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3176246|php+artisan+migrate:refresh+--path=database/migrations/folder|code-block|syntax|javascript|3176247|选项2比选项1更好，我总是用这个。所以我推荐选项2。这应该是工作|3176248|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

there is two things to do you that you can use
1. In your database there is a table called migrations. Delete the rows from there which one is you want to migrate. That should be there.
2.create a folder inside of database/migrations/folder. And put the migrations file inside the folder then in your command prompt run this below command:

<pre><code>php artisan migrate:refresh --path=database/migrations/folder
</code></pre>

option 2 is better than the option 1. I always use this. So i recommend option 2. This should be work

blocks|key|294592|text|您是否在迁移表中检查了迁移是否已经运行。如果它正在运行，那么将有一个与您的迁移相关的行。如果您对旧的迁移进行了更改，则在运行php+artisan+migrate命令时不会反映任何内容，因为它已经被迁移了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|294593|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Have you checked that the migration has already run or not in the migration table.
If its run then there will be a row respective to your migration.
If you do changes to an old migration than nothing will be reflected when you run command php artisan migrate, as it has already been migrated.

blocks|key|296042|text|对于现有(已迁移的表)的每一次修改，您都必须进行一次新的仅带修改的迁移。如果您有"users“表迁移2014_10_12_000000_create_users_table，如下所示：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|296043|+Schema::create('users',+function+(Blueprint+$table)+{
++++++++$table->bigIncrements('id');
++++++++$table->string('name');
++++++++$table->string('email')->unique();
++++++++$table->string('password');+++++++++
++++++++$table->rememberToken();
++++++++$table->timestamps();
++++});|code-block|syntax|javascript|296044|并且你需要拆分"name“列，将不得不php+artisan+make:migration+alter_table_users+--table="users"并添加你想要更改的内容：|296045|Schema::table('users',+function+(Blueprint+$table)+{
++++$table->renameColumn('name',+'first_name');+//+rename+column
++++$table->string('last_name');+//+add+new+column++});|296046|反转|296047|public+function+down()
++++{
++++++++Schema::table('users',+function+(Blueprint+$table)+{
++++++++++++$table->renameColumn('first_name',+'name');
++++++++++++$table->dropColumn('last_name');
++++++++});
++++}|296048|现在你可以使用php+artisan+migrate了|296049|文档：https://laravel.com/docs/6.x/migrations#modifying-columns|296050|entityMap|0|LINK|mutability|MUTABLE|url|https://laravel.com/docs/6.x/migrations#modifying-columns^0|1E|10|0|0|J|1O|0|0|0|0|7|J|0|3|1L|0|0^^$0|@$1|2|3|4|5|6|7|14|8|@$9|15|A|16|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|17|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|18|8|@$9|19|A|1A|B|C]]|D|@]|E|$]]|$1|M|3|N|5|H|7|1B|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|1C|8|@]|D|@]|E|$]]|$1|Q|3|R|5|H|7|1D|8|@]|D|@]|E|$I|J]]|$1|S|3|T|5|6|7|1E|8|@$9|1F|A|1G|B|C]]|D|@]|E|$]]|$1|U|3|V|5|6|7|1H|8|@]|D|@$9|1I|A|1J|1|1K]]|E|$]]|$1|W|3|-4|5|6|7|1L|8|@]|D|@]|E|$]]]|X|$Y|$5|Z|10|11|E|$12|13]]]]

For every modification on existing (already migrated tables) you will have to make a new migration with modifications only. If you have "users" table migration <code>2014_10_12_000000_create_users_table</code> like:

<pre><code> Schema::create('users', function (Blueprint $table) {
 $table-&gt;bigIncrements('id');
 $table-&gt;string('name');
 $table-&gt;string('email')-&gt;unique();
 $table-&gt;string('password'); 
 $table-&gt;rememberToken();
 $table-&gt;timestamps();
 });
</code></pre>

and you need to split "name" column, will have to <code>php artisan make:migration alter_table_users --table="users"</code> and add what you want to change:

<pre><code>Schema::table('users', function (Blueprint $table) {
 $table-&gt;renameColumn('name', 'first_name'); // rename column
 $table-&gt;string('last_name'); // add new column });
</code></pre>

Reverse

<pre><code>public function down()
 {
 Schema::table('users', function (Blueprint $table) {
 $table-&gt;renameColumn('first_name', 'name');
 $table-&gt;dropColumn('last_name');
 });
 }
</code></pre>

Nou you can use <code>php artisan migrate</code>

Documentation: <a href="https://laravel.com/docs/6.x/migrations#modifying-columns" rel="nofollow noreferrer">https://laravel.com/docs/6.x/migrations#modifying-columns</a>

blocks|key|3176360|text|没有人回答问题"Akshay+Rathod“，但是"Militaru”确切地回答了他需要什么，并将php+artisan+make:migration+alter_table_users+--table="users"+()函数中的新字段复制到下面|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|3176361|public+function+up()
++++{
++++++++Schema::table('users',+function+(Blueprint+$table)+{
++++++++++++$table->string('userimage')->nullable();
++++++++++++$table->string('contact_no')->nullable();
++++++++++++$table->string('website')->nullable();
++++++++++++$table->string('country_id')->nullable();
++++++++++++$table->string('timezone')->nullable();
++++++++++++$table->string('currency')->nullable();
++++++++++++$table->string('communication_email')->default(1);
++++++++++++$table->string('communication_phone')->default(0);
++++++++++++$table->string('allow_marketing')->default(0);
++++++++});
++++}|code-block|syntax|javascript|3176362|entityMap^0|1D|1O|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

No one replied question &quot;Akshay Rathod&quot; but &quot;Militaru&quot; replied exactly what he need <code>php artisan make:migration alter_table_users --table=&quot;users&quot;</code> and copy you new fields inside the up() function as under
<pre><code>public function up()
 {
 Schema::table('users', function (Blueprint $table) {
 $table-&gt;string('userimage')-&gt;nullable();
 $table-&gt;string('contact_no')-&gt;nullable();
 $table-&gt;string('website')-&gt;nullable();
 $table-&gt;string('country_id')-&gt;nullable();
 $table-&gt;string('timezone')-&gt;nullable();
 $table-&gt;string('currency')-&gt;nullable();
 $table-&gt;string('communication_email')-&gt;default(1);
 $table-&gt;string('communication_phone')-&gt;default(0);
 $table-&gt;string('allow_marketing')-&gt;default(0);
 });
 }
</code></pre>

I am new to laravel.
I am working on laravel version 6.
I have created migration.
It works nicely the first time, but if i change something in the migration file and then i run <code>php artisan migrate</code> it shows <code>nothing to migrate</code>.
I tried <code>php artisan migrate --path</code> as well but it does not work.
To make it work i have to delete the migration file and create it again.
I don't want to use <code>php artisan migrate:fresh</code>.

what should i do to run only one migrations file which has been changed?

"php artisan migrate" shows "nothing to migrate"

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我是新来的。我正在开发laravel版本6。我已经创建了迁移。它在第一次运行得很好，但是如果我在迁移文件中更改了一些东西，然后运行php artisan migrate，它会显示nothing to migrate。我也尝试过php artisan migrate --path，但它不起作用。要使其正常工作，我必须删除迁移文件并重新创建它。我不想使用php artisan migrate:fres

问"php artisan migrate“显示"nothing to migrate”
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回答 8

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