dynamic_background_node.install in Dynamic Background 7

Installes the database scheme and handles install and uninstall of the module.

File

modules/dynamic_background_node/dynamic_background_node.install

<?php

/**
 * @file
 * Installes the database scheme and handles install and uninstall of the
 * module.
 */

/**
 * Implementation of hook_schema(), which implementes the table
 * dynamic_background_node that holds information about about the pr. node
 * selected image.
 *
 * @return array $schema
 */
function dynamic_background_node_schema() {
  $schema = array();
  $schema['dynamic_background_node'] = array(
    'description' => t(''),
    'fields' => array(
      'nid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'vid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ),
      'data' => array(
        'type' => 'text',
        'not null' => TRUE,
      ),
    ),
    'unique keys' => array(
      'vid' => array(
        'vid',
      ),
    ),
    'foreign keys' => array(
      'node_revision' => array(
        'table' => 'node_revision',
        'columns' => array(
          'vid' => 'vid',
        ),
      ),
    ),
    'primary key' => array(
      'nid',
      'vid',
    ),
  );
  return $schema;
}

/**
 * Implementation of hook_uninstall():
 */
function dynamic_background_node_uninstall() {

  // Remove database table.
  drupal_uninstall_schema('dynamic_background_node');

  // Remove settings.
  variable_del('dynamic_background_node');
  variable_del('dynamic_background_css');
  variable_del('dynamic_background_node_image_style');
}

/**
 * Update the tables primary key to include 'vid'.
 */
function dynamic_background_node_update_7000() {
  db_add_unique_key('dynamic_background_node', 'vid', array(
    'vid',
  ));
  db_drop_primary_key('dynamic_background_node');
  db_add_primary_key('dynamic_background_node', array(
    'nid',
    'vid',
  ));
}

Functions

Name	Description
dynamic_background_node_schema	Implementation of hook_schema(), which implementes the table dynamic_background_node that holds information about about the pr. node selected image.
dynamic_background_node_uninstall	Implementation of hook_uninstall():
dynamic_background_node_update_7000	Update the tables primary key to include 'vid'.