composer.json file. The Doctrine DBAL library is used to determine the current state of the column and create the SQL queries needed to make the specified adjustments to the column:
composer require doctrine/dbal
使用上面提到的命令安装指定依赖就行了。
这个错误是我使用renamecolume修改列的名字的时候发现的。
解决laravel Class 'Doctrine\DBAL\Driver\PDOMySql\Driver' not found 错误
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