22 lines
986 B
Markdown
22 lines
986 B
Markdown
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---
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title: "Rails + MySQL: Case-Sensitive strings in your database"
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kind: article
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slug: rails-mysql-case-sensitive-strings-in-your-database
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created_at: 2009-09-03
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tags:
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- Ruby on Rails
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---
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When using Rails + MySQL, you'll find that normal string (or varchar(255)) fields are case insensitive. This can be quite a nuisance, but it's easy to resolve. You need to set your table to the utf8_bin collation. By using the binary variant, you're basically enabling case sensitivity.
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:::ruby
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create_table :posts, :options => 'ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin' do |t|
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t.string :title, :limit => 100
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end
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That's all. The <code>title</code> field is now case sensitive.
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Another question I get a lot is how to change the collation and charset for an existing column. That's easy with the following query. Just make sure to pick the right column and data type:
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:::sql
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ALTER TABLE posts MODIFY `title` varchar(100) CHARACTER SET utf8 COLLATE utf8_bin;
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