Drupal example source code file (cck.install)

This example Drupal source code file (cck.install) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

32, array, description, field, function, length, name, not, null, of, the, type, varchar

The cck.install Drupal example source code

<?php
/**
 * Implementation of hook_install().
 */
function cck_install() {
  
}

/**
 * Implementation of hook_uninstall().
 */
function cck_uninstall() {
  db_query("DELETE FROM {variable} WHERE name LIKE 'cck_extra_weights_%'");
}

/**
 * Implementation of hook_schema.
 * 
 * Create a table to hold data for field settings CCK is managing,
 * like custom PHP code for Allowed values and default values that we 
 * don't want in core.
 */
function cck_schema() {
 
  $schema['cck_field_settings'] = array(
    'fields' => array(
      'field_name' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'description' => 'The name of the field.',
      ),
      'entity_type' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => '',
        'description' => 'The name of the entity type, NULL for field settings.',
      ),
      'bundle' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => FALSE,
        'description' => 'The name of the bundle, NULL for field settings.',
      ),
     'language' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => FALSE,
        'description' => 'The name of the language, NULL for field settings.',
      ),     
      'setting_type' => array(
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'description' => 'The type of setting that CCK is managing (field, instance, widget, display).',
      ),
      'setting' => array(
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'description' => 'The name of the setting that CCK is managing (default_value_php, allowed_values_php, etc).',
      ),
      'setting_option' => array(
        'type' => 'text',
        'size' => 'medium',
        'not null' => FALSE,
        'description' => 'The custom value for this setting.',
      ),
    ),
  );
  return $schema;
}

function cck_update_7000() {
  if (!db_field_exists('cck_field_settings', 'entity_type')) {
    $field = array(
      'type' => 'varchar',
      'length' => 32,
      'not null' => TRUE,
      'default' => '',
      'description' => 'The name of the entity type, NULL for field settings.',
    );
    db_add_field('cck_field_settings', 'entity_type', $field);
  }
  if (!db_field_exists('cck_field_settings', 'language')) {
    $field = array(
      'type' => 'varchar',
      'length' => 32,
      'not null' => FALSE,
      'description' => 'The name of the language, NULL for field settings.',
    );     
    db_add_field('cck_field_settings', 'language', $field);
  }
}