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miligraf/rename_read_column_to_state.rb

Created December 8, 2016 01:40
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rename_read_column_to_state.rb
class RenameReadColumToState < ActiveRecord::Migration
def change
add_column :messages, :state, :integer, default: 0
execute "UPDATE messages SET state = CAST(read AS INTEGER);"
remove_column :messages, :read
end
end
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