popsu-d7/sites/all/modules/custom_formatters/custom_formatters.install

<?php
/**
 * @file
 * Install, update and uninstall functions for the Custom Formatters module.
 */

/**
 * Implements hook_schema().
 */
function custom_formatters_schema() {
  $schema['formatters'] = array(
    'export' => array(
      'key' => 'name',
      'key name' => 'Name',
      'primary key' => 'name',
      'identifier' => 'formatter',
      'default hook' => 'custom_formatters_defaults',
      'api' => array(
        'owner' => 'custom_formatters',
        'api' => 'custom_formatters',
        'minimum_version' => 2,
        'current_version' => 2,
      ),
    ),
    'fields' => array(
      'name' => array(
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => '',
      ),
      'label' => array(
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => '',
      ),
      'description' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => FALSE,
        'default' => ''
      ),
      'mode' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
      ),
      'field_types' => array(
        'type' => 'text',
        'size' => 'medium',
        'not null' => TRUE,
      ),
      'code' => array(
        'type' => 'blob'
      ),
      'fapi' => array(
        'type' => 'blob'
      ),
    ),
    'primary key' => array('name'),
  );

  return $schema;
}

/**
 * Implements hook_uninstall().
 */
function custom_formatters_uninstall() {
  variable_del('custom_formatters_settings');
}

/**
 * Add FAPI column to Formatters table.
 */
function custom_formatters_update_7200() {
  db_add_field('formatters', 'fapi', array('type' => 'blob'));
  return t('New FAPI column added to Formatters table.');
}