link.install

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