#81033 by webchick and neclimdul. Uninstall module API.

includes/install.inc

@@ -350,6 +350,18 @@ function drupal_install_module($module) {
   }
 }
 
+/**
+ * Calls the uninstall function and updates the system table for a given module.
+ *
+ * @param $module
+ *   The module to uninstall.
+ */
+function drupal_uninstall_module($module) {
+  module_load_install($module);
+  module_invoke($module, 'uninstall');
+  drupal_set_installed_schema_version($module, SCHEMA_UNINSTALLED);
+}
+
 /**
  * Verify the state of the specified file.
  *

modules/aggregator/aggregator.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function aggregator_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -112,3 +115,18 @@ function aggregator_install() {
       break;
   }
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function aggregator_uninstall() {
+  db_query('DROP TABLE {aggregator_category}');
+  db_query('DROP TABLE {aggregator_category_feed}');
+  db_query('DROP TABLE {aggregator_category_item}');
+  db_query('DROP TABLE {aggregator_feed}');
+  db_query('DROP TABLE {aggregator_item}');
+  variable_del('aggregator_allowed_html_tags');
+  variable_del('aggregator_summary_items');
+  variable_del('aggregator_clear');
+  variable_del('aggregator_category_selector');
+}

modules/book/book.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function book_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -28,3 +31,10 @@ function book_install() {
       break;
   }
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function book_uninstall() {
+  db_query('DROP TABLE {book}');
+}

modules/contact/contact.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function contact_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -30,3 +33,13 @@ function contact_install() {
       break;
   }
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function contact_uninstall() {
+  db_query('DROP TABLE {contact}');
+  variable_del('contact_default_status');
+  variable_del('contact_form_information');
+  variable_del('contact_hourly_threshold');
+}

modules/drupal/drupal.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function drupal_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -52,3 +55,20 @@ function drupal_install() {
       break;
   }
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function drupal_uninstall() {
+  db_query('DROP TABLE {client}');
+  db_query('DROP TABLE {client_system}');
+  variable_del('drupal_authentication_service');
+  variable_del('drupal_directory');
+  variable_del('drupal_register');
+  variable_del('drupal_server');
+  variable_del('drupal_system');
+  variable_del('drupal_statistics');
+  variable_del('drupal_client_service');
+  variable_del('drupal_default_da_server');
+  variable_del('drupal_default_da_server_only');
+}

modules/forum/forum.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function forum_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -26,3 +29,18 @@ function forum_install() {
       break;
   }
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function forum_uninstall() {
+  db_query('DROP TABLE {forum}');
+  db_query("DELETE FROM {node} WHERE type = 'forum'");
+  variable_del('forum_containers');
+  variable_del('forum_nav_vocabulary');
+  variable_del('forum_hot_topic');
+  variable_del('forum_per_page');
+  variable_del('forum_order');
+  variable_del('forum_block_num_0');
+  variable_del('forum_block_num_1');
+}

modules/locale/locale.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function locale_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -69,3 +72,12 @@ function locale_install() {
   }
   db_query("INSERT INTO {locales_meta} (locale, name, enabled, isdefault) VALUES ('en', 'English', '1', '1')");
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function locale_uninstall() {
+  db_query('DROP TABLE {locales_meta}');
+  db_query('DROP TABLE {locales_source}');
+  db_query('DROP TABLE {locales_target}');
+}

modules/poll/poll.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function poll_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -63,3 +66,12 @@ function poll_install() {
       break;
   }
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function poll_uninstall() {
+  db_query('DROP TABLE {poll}');
+  db_query('DROP TABLE {poll_votes}');
+  db_query('DROP TABLE {poll_choices}');
+}

modules/profile/profile.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function profile_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -63,3 +66,12 @@ function profile_install() {
       break;
   }
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function profile_uninstall() {
+  db_query('DROP TABLE {profile_fields}');
+  db_query('DROP TABLE {profile_values}');
+  variable_del('profile_block_author_fields');
+}

modules/search/search.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function search_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -58,3 +61,14 @@ function search_install() {
       break;
   }
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function search_uninstall() {
+  db_query('DROP TABLE {search_dataset}');
+  db_query('DROP TABLE {search_index}');
+  db_query('DROP TABLE {search_total}');
+  variable_del('minimum_word_size');
+  variable_del('overlap_cjk');
+}

modules/statistics/statistics.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function statistics_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':
@@ -36,3 +39,17 @@ function statistics_install() {
       break;
   }
 }
+
+/**
+ * Implementation of hook_uninstall().
+ */
+function statistics_uninstall() {
+  db_query('DROP TABLE {accesslog}');
+  variable_del('statistics_count_content_views');
+  variable_del('statistics_enable_access_log');
+  variable_del('statistics_flush_accesslog_timer');
+  variable_del('statistics_day_timestamp');
+  variable_del('statistics_block_top_day_num');
+  variable_del('statistics_block_top_all_num');
+  variable_del('statistics_block_top_last_num');
+}

modules/system/system.install

 <?php
 // $Id$
 
+/**
+ * Implementation of hook_install().
+ */
 function system_install() {
   switch ($GLOBALS['db_type']) {
     case 'mysql':