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# Convert legacy Markdown-emphasized notes to the current, non-emphasized format
#
# _mentioned in 54f7727c850972f0401c1312a7c4a6a380de5666_
#
# becomes
#
# mentioned in 54f7727c850972f0401c1312a7c4a6a380de5666
class ConvertLegacyReferenceNotes < ActiveRecord::Migration[4.2]
def up
quoted_column_name = ActiveRecord::Base.connection.quote_column_name('system')
execute %Q{UPDATE notes SET note = trim(both '_' from note) WHERE #{quoted_column_name} = true AND note LIKE '\_%\_'}
end
def down
# noop
end
end
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