annotate db/migrate/041_rename_comment_to_comments.rb @ 436:4eb486dbf730 bug_169

If the remote repo URL changes, move aside the existing local mirror and start afresh. (Not yet tested: checkpointing this prior to working on a different aspect of the problem)
author Chris Cannam
date Mon, 06 Jun 2011 12:53:06 +0100
parents 513646585e45
children
rev   line source
Chris@0 1 class RenameCommentToComments < ActiveRecord::Migration
Chris@0 2 def self.up
Chris@0 3 rename_column(:comments, :comment, :comments) if ActiveRecord::Base.connection.columns(Comment.table_name).detect{|c| c.name == "comment"}
Chris@0 4 rename_column(:wiki_contents, :comment, :comments) if ActiveRecord::Base.connection.columns(WikiContent.table_name).detect{|c| c.name == "comment"}
Chris@0 5 rename_column(:wiki_content_versions, :comment, :comments) if ActiveRecord::Base.connection.columns(WikiContent.versioned_table_name).detect{|c| c.name == "comment"}
Chris@0 6 rename_column(:time_entries, :comment, :comments) if ActiveRecord::Base.connection.columns(TimeEntry.table_name).detect{|c| c.name == "comment"}
Chris@0 7 rename_column(:changesets, :comment, :comments) if ActiveRecord::Base.connection.columns(Changeset.table_name).detect{|c| c.name == "comment"}
Chris@0 8 end
Chris@0 9
Chris@0 10 def self.down
Chris@0 11 raise IrreversibleMigration
Chris@0 12 end
Chris@0 13 end