gitlabhq/db/migrate/20111027152724_issue_conten_to_note.rb

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class IssueContenToNote < ActiveRecord::Migration
def up
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puts "Issue content is deprecated -> move to notes"
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Issue.find_each(:batch_size => 100) do |issue|
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next if issue.content.blank?
note = Note.new(
:note => issue.content,
:project_id => issue.project_id,
:noteable => issue,
:created_at => issue.created_at,
:updated_at => issue.created_at
)
note.author_id = issue.author_id
if note.save
issue.update_attributes(:content => nil)
print "."
else
print "F"
end
end
total = Issue.where("content is not null").count
if total > 0
puts "content of #{total} issues were not migrated"
else
puts "Done"
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end
end
def down
end
end