comparison modules/trigger/trigger.install @ 0:ff03f76ab3fe

initial version

+<?php
+
+/**
+ * @file
+ * Install, update and uninstall functions for the trigger module.
+ */
+
+/**
+ * Implements hook_schema().
+ */
+function trigger_schema() {
+  // The total index length (hook and aid) must be less than 333. Since the aid
+  // field is 255 characters, the hook field can have a maximum length of 78.
+  $schema['trigger_assignments'] = array(
+    'description' => 'Maps trigger to hook and operation assignments from trigger.module.',
+    'fields' => array(
+      'hook' => array(
+        'type' => 'varchar',
+        'length' => 78,
+        'not null' => TRUE,
+        'default' => '',
+        'description' => 'Primary Key: The name of the internal Drupal hook; for example, node_insert.',
+      ),
+      'aid' => array(
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+        'description' => "Primary Key: Action's {actions}.aid.",
+      ),
+      'weight' => array(
+        'type' => 'int',
+        'not null' => TRUE,
+        'default' => 0,
+        'description' => 'The weight of the trigger assignment in relation to other triggers.',
+      ),
+    ),
+    'primary key' => array('hook', 'aid'),
+    'foreign keys' => array(
+      'action' => array(
+        'table' => 'actions',
+        'columns' => array('aid' => 'aid'),
+      ),
+    ),
+  );
+  return $schema;
+}
+
+/**
+ * Implements hook_install().
+ */
+function trigger_install() {
+  // Do initial synchronization of actions in code and the database.
+  actions_synchronize();
+}
+
+/**
+ * Alter the "hook" field and drop the "op field" of {trigger_assignments}.
+ *
+ * Increase the length of the "hook" field to 78 characters and adds operation
+ * names to the hook names, and drops the "op" field.
+ */
+function trigger_update_7000() {
+  db_drop_primary_key('trigger_assignments');
+  db_change_field('trigger_assignments', 'hook', 'hook', array('type' => 'varchar', 'length' => 78, 'not null' => TRUE, 'default' => '', 'description' => 'Primary Key: The name of the internal Drupal hook; for example, node_insert.'));
+
+  $result = db_query("SELECT hook, op, aid FROM {trigger_assignments} WHERE op <> ''");
+
+  foreach ($result as $record) {
+    db_update('trigger_assignments')
+      ->fields(array('hook' => $record->hook . '_' . $record->op))
+      ->condition('hook', $record->hook)
+      ->condition('op', $record->op)
+      ->condition('aid', $record->aid)
+      ->execute();
+  }
+  db_drop_field('trigger_assignments', 'op');
+
+  db_add_primary_key('trigger_assignments', array('hook', 'aid'));
+}
+
+/**
+ * @addtogroup updates-7.x-extra
+ * @{
+ */
+
+/**
+ * Increase the length of the "hook" field to 78 characters.
+ *
+ * This is a separate function for those who ran an older version of
+ * trigger_update_7000() that did not do this.
+ */
+function trigger_update_7001() {
+  db_drop_primary_key('trigger_assignments');
+  db_change_field('trigger_assignments', 'hook', 'hook', array('type' => 'varchar', 'length' => 78, 'not null' => TRUE, 'default' => '', 'description' => 'Primary Key: The name of the internal Drupal hook; for example, node_insert.', ), array('primary key' => array('hook', 'aid')));
+}
+
+/**
+ * Renames nodeapi to node.
+ */
+function trigger_update_7002() {
+  $result = db_query("SELECT hook, aid FROM {trigger_assignments}");
+
+  foreach($result as $record) {
+    $new_hook = str_replace('nodeapi', 'node', $record->hook);
+    db_update('trigger_assignments')
+      ->fields(array('hook' => $new_hook))
+      ->condition('hook', $record->hook)
+      ->condition('aid', $record->aid)
+      ->execute();
+  }
+}
+
+/**
+ * @} End of "addtogroup updates-7.x-extra".
+ */