link.install

   1 <?php
   2 // $Id$
   3
   4 /**
   5  * @file
   6  * Install file for the link module.
   7  */
   8
   9 /**
  10  * Implementation of hook_install().
  11  */
  12 function link_install() {
  13   drupal_load('module', 'content');
  14   content_notify('install', 'link');
  15 }
  16
  17 /**
  18 * Implementation of hook_uninstall().
  19 */
  20 function link_uninstall() {
  21   drupal_load('module', 'content');
  22   content_notify('uninstall', 'link');
  23 }
  24
  25 /**
  26 * Implementation of hook_enable().
  27 */
  28 function link_enable() {
  29   drupal_load('module', 'content');
  30   content_notify('enable', 'link');
  31 }
  32
  33 /**
  34 * Implementation of hook_disable().
  35 */
  36 function link_disable() {
  37   drupal_load('module', 'content');
  38   content_notify('disable', 'link');
  39 }
  40
  41 /**
  42  * Removed link.module created tables, move data to content.module tables
  43  *
  44  * Even though most everyone will not be using this particular update, several
  45  * folks have complained that their upgrades of link.module do not work because
  46  * of this function being missing when schema expects it. - JCF
  47  * And on further review, I'm removing the body, since some of those calls
  48  * no longer exist in Drupal 6.  Remember to upgrade from 4.7 to 5 first, and
  49  * *then* from 5 to 6.  kthx! -JCF
  50  */
  51 function link_update_1() {
  52   $ret = array();
  53   // GNDN
  54   return $ret;
  55 }
  56
  57
  58 /**
  59  * Ensure that content.module is updated before link module.
  60  */
  61 function link_update_6000() {
  62   if ($abort = content_check_update('link')) {
  63     return $abort;
  64   }
  65   return array();
  66 }
  67
  68 /**
  69  * Change the database schema to allow NULL values.
  70  */
  71 function link_update_6001() {
  72   $ret = array();
  73
  74   // Build a list of fields that need updating.
  75   $update_fields = array();
  76   foreach (content_types_install() as $type_name => $fields) {
  77     foreach ($fields as $field) {
  78       if ($field['type'] == 'link') {
  79         // We only process a given field once.
  80         $update_fields[$field['field_name']] = $field;
  81       }
  82     }
  83   }
  84
  85   // Update each field's storage to match the current definition.
  86   foreach ($update_fields as $field) {
  87     $db_info = content_database_info($field);
  88     foreach ($db_info['columns'] as $column) {
  89       db_change_field($ret, $db_info['table'], $column['column'], $column['column'], $column);
  90       $ret[] = update_sql("UPDATE {". $db_info['table'] ."} SET ". $column['column'] ." = NULL WHERE ". $column['column'] ." = '' OR ". $column['column'] ." = 'N;'");
  91     }
  92   }
  93
  94   // Let CCK re-associate link fields with Link module and activate the fields.
  95   content_associate_fields('link');
  96
  97   return $ret;
  98 }