sutty/db/migrate/20210807004941_add_create_at_to_access_logs.rb

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# frozen_string_literal: true
# Cambia los msec a datetime para poder agregar por tiempos
class AddCreateAtToAccessLogs < ActiveRecord::Migration[6.1]
def up
add_column :access_logs, :created_at, :datetime, precision: 6
create_trigger(compatibility: 1).on(:access_logs).before(:insert) do
'new.created_at := to_timestamp(new.msec)'
end
ActiveRecord::Base.connection.execute('update access_logs set created_at = to_timestamp(msec);')
end
def down
remove_column :access_logs, :created_at
end
end