--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/tracker/tracker.install	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,225 @@
+<?php
+
+/**
+ * @file
+ * Install, update, and uninstall functions for tracker.module.
+ */
+
+/**
+ * Implements hook_uninstall().
+ */
+function tracker_uninstall() {
+  variable_del('tracker_index_nid');
+  variable_del('tracker_batch_size');
+}
+
+/**
+ * Implements hook_enable().
+ */
+function tracker_enable() {
+  $max_nid = db_query('SELECT MAX(nid) FROM {node}')->fetchField();
+  if ($max_nid != 0) {
+    variable_set('tracker_index_nid', $max_nid);
+    // To avoid timing out while attempting to do a complete indexing, we
+    // simply call our cron job to remove stale records and begin the process.
+    tracker_cron();
+  }
+}
+
+/**
+ * Implements hook_schema().
+ */
+function tracker_schema() {
+  $schema['tracker_node'] = array(
+    'description' => 'Tracks when nodes were last changed or commented on.',
+    'fields' => array(
+      'nid' => array(
+        'description' => 'The {node}.nid this record tracks.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'published' => array(
+        'description' => 'Boolean indicating whether the node is published.',
+        'type' => 'int',
+        'not null' => FALSE,
+        'default' => 0,
+        'size' => 'tiny',
+      ),
+      'changed' => array(
+        'description' => 'The Unix timestamp when the node was most recently saved or commented on.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+    ),
+    'indexes' => array(
+      'tracker' => array('published', 'changed'),
+    ),
+    'primary key' => array('nid'),
+    'foreign keys' => array(
+      'tracked_node' => array(
+        'table' => 'node',
+        'columns' => array('nid' => 'nid'),
+      ),
+    ),
+  );
+
+  $schema['tracker_user'] = array(
+    'description' => 'Tracks when nodes were last changed or commented on, for each user that authored the node or one of its comments.',
+    'fields' => array(
+      'nid' => array(
+        'description' => 'The {node}.nid this record tracks.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'uid' => array(
+        'description' => 'The {users}.uid of the node author or commenter.',
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'published' => array(
+        'description' => 'Boolean indicating whether the node is published.',
+        'type' => 'int',
+        'not null' => FALSE,
+        'default' => 0,
+        'size' => 'tiny',
+      ),
+      'changed' => array(
+        'description' => 'The Unix timestamp when the node was most recently saved or commented on.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+    ),
+    'indexes' => array(
+      'tracker' => array('uid', 'published', 'changed'),
+    ),
+    'primary key' => array('nid', 'uid'),
+    'foreign keys' => array(
+      'tracked_node' => array(
+        'table' => 'node',
+        'columns' => array('nid' => 'nid'),
+      ),
+      'tracked_user' => array(
+        'table' => 'users',
+        'columns' => array('uid' => 'uid'),
+      ),
+    ),
+  );
+
+  return $schema;
+}
+
+/**
+ * @addtogroup updates-6.x-to-7.x
+ * @{
+ */
+
+/**
+ * Create new tracker_node and tracker_user tables.
+ */
+function tracker_update_7000() {
+  $schema['tracker_node'] = array(
+    'description' => 'Tracks when nodes were last changed or commented on',
+    'fields' => array(
+      'nid' => array(
+        'description' => 'The {node}.nid this record tracks.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'published' => array(
+        'description' => 'Boolean indicating whether the node is published.',
+        'type' => 'int',
+        'not null' => FALSE,
+        'default' => 0,
+        'size' => 'tiny',
+      ),
+      'changed' => array(
+        'description' => 'The Unix timestamp when the node was most recently saved or commented on.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+    ),
+    'indexes' => array(
+      'tracker' => array('published', 'changed'),
+    ),
+    'primary key' => array('nid'),
+    'foreign keys' => array(
+      'tracked_node' => array(
+        'table' => 'node',
+        'columns' => array('nid' => 'nid'),
+      ),
+    ),
+  );
+
+  $schema['tracker_user'] = array(
+    'description' => 'Tracks when nodes were last changed or commented on, for each user that authored the node or one of its comments.',
+    'fields' => array(
+      'nid' => array(
+        'description' => 'The {node}.nid this record tracks.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'uid' => array(
+        'description' => 'The {users}.uid of the node author or commenter.',
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'published' => array(
+        'description' => 'Boolean indicating whether the node is published.',
+        'type' => 'int',
+        'not null' => FALSE,
+        'default' => 0,
+        'size' => 'tiny',
+      ),
+      'changed' => array(
+        'description' => 'The Unix timestamp when the node was most recently saved or commented on.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+    ),
+    'indexes' => array(
+      'tracker' => array('uid', 'published', 'changed'),
+    ),
+    'primary key' => array('nid', 'uid'),
+    'foreign keys' => array(
+      'tracked_node' => array(
+        'table' => 'node',
+        'columns' => array('nid' => 'nid'),
+      ),
+      'tracked_user' => array(
+        'table' => 'users',
+        'columns' => array('uid' => 'uid'),
+      ),
+    ),
+  );
+
+  foreach ($schema as $name => $table) {
+    db_create_table($name, $table);
+  }
+
+  $max_nid = db_query('SELECT MAX(nid) FROM {node}')->fetchField();
+  if ($max_nid != 0) {
+    variable_set('tracker_index_nid', $max_nid);
+  }
+}
+
+/**
+ * @} End of "addtogroup updates-6.x-to-7.x".
+ */