# File app/controllers/metarep_controller.rb, line 189
  def update_column_description
   if session[:user_id]
     @column = Column.find(params[:id]) 
     @change = Change.new({:object_path => @column.Table.Schema.Database.database_nm + '/' + @column.Table.Schema.schema_nm + '/' + @column.Table.table_nm + '/' + @column.column_nm, :data_changed => "column_desc", 
      :user_id => session[:user_id],                
      :new_value => params[:value], :date => Time.now})                                                                                                       
      @change.save
      @column.column_desc = params[:value]
      @column.save
      redirect_to :action => 'showColumn', :id => params[:id]
    end
  end