首页 > 解决方案 > 教义表 migrations_versions 列长度

问题描述

在带有 Doctrine Migrations 2.2.0 的 Symfony 5 上,我想执行一个自定义的学说迁移文件。我的实体是使用 InnoDB utf8mb4_unicode_ci (在教义.yaml 中的默认值)创建的。

当我执行时,bin/console doctrine:migrations:status --show-versions我得到:

An exception occurred while executing 'CREATE TABLE migration_versions (version VARCHAR(1024) NOT NULL, executed_at DATETIME NOT NULL COMMENT '(DC2Type:datetime_immutable)', PRIMARY KEY(version)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB':
SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 3072 bytes

所以我修改了doctrine_migrations.yaml并将version_column_length的值更改为255,但现在使用我得到的相同命令

In BaseNode.php line 425:                                                                                                                                
Invalid configuration for path "doctrine_migrations.storage.table_storage.version_column_length": The minimum length for the version column is 1024.  
                                                                                                                                                        
In ExprBuilder.php line 187:
The minimum length for the version column is 1024.  

可以将自动创建的实体表的 varchar 长度更改为 1024,因此这不是我的数据库的限制。如何自动创建具有适当列长度的 migrations_versions 表?

配置/包/doctrine.yaml

doctrine:
    dbal:
        url: '%env(resolve:DATABASE_URL)%'
        mapping_types:
          enum: string

        # IMPORTANT: You MUST configure your server version,
        # either here or in the DATABASE_URL env var (see .env file)
        #server_version: '5.7'
    orm:
        auto_generate_proxy_classes: true
        naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
        auto_mapping: true
        mappings:
            App:
                is_bundle: false
                type: annotation
                dir: '%kernel.project_dir%/src/Entity'
                prefix: 'App\Entity'
                alias: App

配置/包/doctrine_migrations.yaml

doctrine_migrations:
    migrations_paths:
        'DoctrineMigrations': '%kernel.project_dir%/src/Migrations'
    storage:
        table_storage:
            table_name: 'migration_versions'
            version_column_name: 'version'
            version_column_length: 1024
            executed_at_column_name: 'executed_at'

标签: symfonydoctrine-migrations

解决方案


我的同事通过简单地评论该行找到了解决方案 version_column_length: 1024


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