materio-base-d7/sites/all/modules/contrib/ecommerce/ubercart/shipping/uc_usps/uc_usps.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the uc_usps module.
 */

/**
 * Implements hook_schema().
 */
function uc_usps_schema() {
  $schema = array();

  $schema['uc_usps_products'] = array(
    'description' => 'Stores product information for USPS shipping quotes.',
    'fields' => array(
      'vid' => array(
        'description' => 'The {uc_products}.vid.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'nid' => array(
        'description' => 'The {uc_products}.nid.',
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
      ),
      'container' => array(
        'description' => 'The package type in which the product will be shipped.',
        'type' => 'varchar',
        'length' => '255',
        'not null' => TRUE,
        'default' => '',
      ),
    ),
    'primary key' => array('vid'),
    'foreign keys' => array(
      'uc_products' => array(
        'table' => 'uc_products',
        'columns' => array(
          'nid' => 'nid',
          'vid' => 'vid',
        ),
      ),
    ),
  );

  return $schema;
}

/**
 * Implements hook_uninstall().
 */
function uc_usps_uninstall() {
  variable_del('uc_usps_user_id');
  variable_del('uc_usps_services');
  variable_del('uc_usps_env_services');
  variable_del('uc_usps_intl_services');
  variable_del('uc_usps_intl_env_services');
  variable_del('uc_usps_rate_markup');
  variable_del('uc_usps_rate_markup_type');
  variable_del('uc_usps_weight_markup');
  variable_del('uc_usps_weight_markup_type');
  variable_del('uc_usps_all_in_one');
  variable_del('uc_usps_insurance');
  variable_del('uc_usps_delivery_confirmation');
  variable_del('uc_usps_signature_confirmation');
  variable_del('uc_usps_online_rates');
}

/**
 * Separates markup variables into rate_markup and weight_markup.
 */
function uc_usps_update_7300() {
  // Rename variables while preserving previous setting values
  variable_set('uc_usps_rate_markup', variable_get('uc_usps_markup', ''));
  variable_set('uc_usps_rate_markup_type', variable_get('uc_usps_markup_type', ''));

  // Remove old variables
  variable_del('uc_usps_markup');
  variable_del('uc_usps_markup_type');
}