Laravel 5.1 请求的未知数据库类型枚举
问题说明
在运行 php artisan migrate 时，出现以下错误
While running php artisan migrate, I got the following error
[DoctrineDBALDBALException]
请求的数据库类型未知，DoctrineDBALPlatformsMySqlPlatform 可能不支持.
[DoctrineDBALDBALException]
Unknown database type enum requested, DoctrineDBALPlatformsMySqlPlatform may not support it.
如何解决这个问题.
代码:
public function up() {
Schema::table('blogs', function (Blueprint $table) {
$table->string('wordpress_id')->nullable();
$table->string('谷歌_blog_id')->nullable()->change();
});
}
正确答案
官方 Laravel 5.1 文档指出:
The official Laravel 5.1 documentation states:
注意:当前不支持使用枚举列重命名表中的列.
Note: Renaming columns in a table with a enum column is not currently supported.
如果您尝试更改另一列并不重要，如果表包含 enum 任何地方，它都将不起作用.这是 Doctrine DBAL 问题.
It doesn't matter if you're trying to change another column, if the table contains a enum anywhere it won't work. It's a Doctrine DBAL issue.
作为一种解决方法，您可以删除该列并添加一个新列(列数据将丢失):
As a workaround you could either drop the column and add a new one (column data will be lost):
public function up()
{
Schema::table('users', function(Blueprint $table)
{
$table->dropColumn('name');
});
Schema::table('users', function(Blueprint $table)
{
$table->text('username');
});
}
或使用 DB 语句:
public function up()
{
DB::statement('ALTER TABLE projects CHANGE slug url VARCHAR(200)');
}
public function down()
{
DB::statement('ALTER TABLE projects CHANGE url slug VARCHAR(200)');
}
来源:https://github.com/laravel/framework/issues/1186
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