Rake Task Selecting Text in a Field

Hi,

Everyone can help me on how to select a text in one Field, see the list
below;

table : tablename1
field : field1
data : {:updated=>“2009-01-02”, :created=>“2009-01-01”, :price=>100.00}

inside may task:

tablename1.all.each { |tablename1|
unless translations.flatten.any? {|t| t == tablename1.field1}
puts “#{tablename1.field1}”
unused += 1
end
}

I need only to display the data which are 2009-01-01 under :created=>,
and 100.00 under :price=>.

Thanks in Advance,
Ferdie