action.install

<?php

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

/**
 * Implements hook_schema().
 */
function action_schema() {
  // 'action' is a reserved SQL keyword.
  $schema['actions'] = array(
    'description' => 'Stores action information.',
    'fields' => array(
      'aid' => array(
        'description' => 'Primary Key: Unique action ID.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '0',
      ),
      'type' => array(
        'description' => 'The object that that action acts on (node, user, comment, system or custom types.)',
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
      ),
      'callback' => array(
        'description' => 'The callback function that executes when the action runs.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'parameters' => array(
        'description' => 'Parameters to be passed to the callback function.',
        'type' => 'blob',
        'not null' => TRUE,
        'size' => 'big',
      ),
      'label' => array(
        'description' => 'Label of the action.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '0',
      ),
    ),
    'primary key' => array('aid'),
  );
  return $schema;
}