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Ruby on Rails：Rake db错误：在mysql上迁移

[英]ruby on rails : error with rake db:migrate on mysql

原文 2011-03-22 07:21:41 7 1 ruby-on-rails

i am having a trouble while rake db:migrate command . 我在耙db：migrate命令时遇到了麻烦。 i have around 90 fields in my table nd the database i am using is mysql on windows 7.. while migrating it gives me error that row size too large please change the column size, i even changed the limits to (65535) of the fields in the column and it still gives me the same error . 我的表中有大约90个字段，而我正在使用的数据库是Windows 7上的mysql。在迁移它时，出现行大小太大的错误，请更改列大小，我甚至将字段的限制更改为（65535）在列中，它仍然给我同样的错误。 i need to use mysql only please advise me what should i do to over come this problem. 我只需要使用mysql，请告诉我该怎么做才能克服这个问题。

1 个解决方案

There is a maximum varchar size combined for the entire table, you will have to use TEXT columns instead. 整个表的最大varchar大小组合在一起，您将不得不使用TEXT列。 This applies to InnoDB tables, I'm not sure about others. 这适用于InnoDB表，我不确定其他表。

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