db/migrate/080_cache_only_clipped_attachment_text.rb


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class CacheOnlyClippedAttachmentText < ActiveRecord::Migration
    def self.up
        remove_column :incoming_messages, :cached_attachment_text
        add_column :incoming_messages, :cached_attachment_text_clipped, :text
    end

    def self.down
        raise "safer not to have reverse migration scripts, and we never use them"
    end
end