view db/migrate/.svn/text-base/041_rename_comment_to_comments.rb.svn-base @ 255:a7002a8f0eca feature_80

Show a star (or similar) by active files, or a checkbox if permitted to edit them. Checkbox doesn't do anything yet
author Chris Cannam <chris.cannam@soundsoftware.ac.uk>
date Thu, 03 Mar 2011 19:35:02 +0000
parents 513646585e45
children
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class RenameCommentToComments < ActiveRecord::Migration
  def self.up
    rename_column(:comments, :comment, :comments) if ActiveRecord::Base.connection.columns(Comment.table_name).detect{|c| c.name == "comment"}
    rename_column(:wiki_contents, :comment, :comments) if ActiveRecord::Base.connection.columns(WikiContent.table_name).detect{|c| c.name == "comment"}
    rename_column(:wiki_content_versions, :comment, :comments) if ActiveRecord::Base.connection.columns(WikiContent.versioned_table_name).detect{|c| c.name == "comment"}
    rename_column(:time_entries, :comment, :comments) if ActiveRecord::Base.connection.columns(TimeEntry.table_name).detect{|c| c.name == "comment"}
    rename_column(:changesets, :comment, :comments) if ActiveRecord::Base.connection.columns(Changeset.table_name).detect{|c| c.name == "comment"}
  end

  def self.down
    raise IrreversibleMigration
  end
end