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16 lines
591 B
16 lines
591 B
13 years ago
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class AddNameReversedToDomains < ActiveRecord::Migration
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def up
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# used for "%" search indexing in an ancestry fashion (materialized path pattern)
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# http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html
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add_column :domains, :name_reversed, :string, :limit => 255
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execute "UPDATE domains SET name_reversed = REVERSE(name)"
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change_column :domains, :name_reversed, :string, :limit => 255, :null => false
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add_index :domains, :name_reversed
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end
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def down
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remove_index :domains, :column => :name_reversed
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remove_column :domains, :name_reversed
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end
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end
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