Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

blogapi_update_6000 in drupal-6.x/modules/blogapi/blogapi.install

Inform users about the new permission.

blogapi_update_6001 in drupal-6.x/modules/blogapi/blogapi.install

Add blogapi_files table to enable size restriction for BlogAPI file uploads.

book_update_6000 in drupal-6.x/modules/book/book.install

Drupal 5.x to 6.x update.

book_update_bid in drupal-6.x/modules/book/book.module

Update the bid for a page and its children when it is moved to a new book.

color_update_6001 in drupal-6.x/modules/color/color.install

Warn site administrator if unsafe CSS color codes are found in the database.

comment_update_1 in drupal-6.x/modules/comment/comment.install

Changed node_comment_statistics to use node->changed to avoid future timestamps.

comment_update_6001 in drupal-6.x/modules/comment/comment.install

comment_update_6002 in drupal-6.x/modules/comment/comment.install

Changed comment settings from global to per-node -- copy global settings to all node types.

comment_update_6003 in drupal-6.x/modules/comment/comment.install

Add index to parent ID field.

comment_update_6004 in drupal-6.x/modules/comment/comment.install

Add index to to node_comment_statistics on comment_count

comment_update_6005 in drupal-6.x/modules/comment/comment.install

Add indices to uid fields.

dblog_update_6000 in drupal-6.x/modules/dblog/dblog.install

Allow longer referrers.

forum_update_6000 in drupal-6.x/modules/forum/forum.install

Create the forum vocabulary if does not exist. Assign the vocabulary a low weight so it will appear first in forum topic create and edit forms. Do not just call forum_enable() because in future versions it might do something different.

locale_update_6000 in drupal-6.x/modules/locale/locale.install

{locales_meta} table became {languages}.

locale_update_6001 in drupal-6.x/modules/locale/locale.install

Change locale column to language. The language column is added by update_fix_d6_requirements() in update.php to avoid a large number of error messages from update.php. All we need to do here is copy locale to language and then drop locale.

locale_update_6002 in drupal-6.x/modules/locale/locale.install

Remove empty translations, we don't need these anymore.

locale_update_6003 in drupal-6.x/modules/locale/locale.install

Prune strings with no translations (will be automatically re-registered if still in use)

locale_update_6004 in drupal-6.x/modules/locale/locale.install

Fix remaining inconsistent indexes.

locale_update_6005 in drupal-6.x/modules/locale/locale.install

Change language setting variable of content types.

locale_update_6006 in drupal-6.x/modules/locale/locale.install

Neutralize unsafe language names in the database.

locale_update_6007 in drupal-6.x/modules/locale/locale.install

Fix Drupal.formatPlural().

locale_update_js_files in drupal-6.x/modules/locale/locale.module

Update JavaScript translation file, if required, and add it to the page.

node_type_update_nodes in drupal-6.x/modules/node/node.module

Updates all nodes of one type to be of another type.

node_update_index in drupal-6.x/modules/node/node.module

Implementation of hook_update_index().

openid_update_6000 in drupal-6.x/modules/openid/openid.install

Add the openid_nonce table.

openid_update_6001 in drupal-6.x/modules/openid/openid.install

Bind associations to their providers.

search_update_totals in drupal-6.x/modules/search/search.module

This function is called on shutdown to ensure that search_total is always up to date (even if cron times out or otherwise fails).

statistics_update_1000 in drupal-6.x/modules/statistics/statistics.install

Changes session ID field to VARCHAR(64) to add support for SHA-1 hashes.

statistics_update_6000 in drupal-6.x/modules/statistics/statistics.install

Allow longer referrers.

system_update_1022 in drupal-6.x/modules/system/system.install

Add index on users created column.

system_update_6000 in drupal-6.x/modules/system/system.install

Remove auto_increment from {boxes} to allow adding custom blocks with visibility settings.

system_update_6001 in drupal-6.x/modules/system/system.install

Add version id column to {term_node} to allow taxonomy module to use revisions.

system_update_6002 in drupal-6.x/modules/system/system.install

Increase the maximum length of variable names from 48 to 128.

system_update_6003 in drupal-6.x/modules/system/system.install

Add index on comments status column.

system_update_6004 in drupal-6.x/modules/system/system.install

This update used to add an index on users created column (#127941). However, system_update_1022() does the same thing. This update tried to detect if 1022 had already run but failed to do so, resulting in an "index already exists" error.

system_update_6005 in drupal-6.x/modules/system/system.install

Add language to url_alias table and modify indexes.

system_update_6006 in drupal-6.x/modules/system/system.install

Drop useless indices on node_counter table.

system_update_6007 in drupal-6.x/modules/system/system.install

Change the severity column in the watchdog table to the new values.

system_update_6008 in drupal-6.x/modules/system/system.install

Add info files to themes. The info and owner columns are added by update_fix_d6_requirements() in update.php to avoid a large number of error messages from update.php. All we need to do here is copy description to owner and then drop description.

system_update_6009 in drupal-6.x/modules/system/system.install

The PHP filter is now a separate module.

system_update_6010 in drupal-6.x/modules/system/system.install

Add variable replacement for watchdog messages.

system_update_6011 in drupal-6.x/modules/system/system.install

Add language support to nodes

system_update_6012 in drupal-6.x/modules/system/system.install

Add serialized field to cache tables. This is now handled directly by update.php, so this function is a no-op.

system_update_6013 in drupal-6.x/modules/system/system.install

Rebuild cache data for theme system changes

system_update_6014 in drupal-6.x/modules/system/system.install

Record that the installer is done, so it is not possible to run the installer on upgraded sites.

system_update_6015 in drupal-6.x/modules/system/system.install

Add the form cache table.

system_update_6016 in drupal-6.x/modules/system/system.install

Make {node}'s primary key be nid, change nid,vid to a unique key. Add primary keys to block, filters, flood, permission, and term_relation.

system_update_6017 in drupal-6.x/modules/system/system.install

Rename settings related to user.module email notifications.

system_update_6018 in drupal-6.x/modules/system/system.install

Add HTML corrector to HTML formats or replace the old module if it was in use.

system_update_6019 in drupal-6.x/modules/system/system.install

Reconcile small differences in the previous, manually created mysql and pgsql schemas so they are the same and can be represented by a single schema structure.

system_update_6020 in drupal-6.x/modules/system/system.install

Create the tables for the new menu system.

system_update_6021 in drupal-6.x/modules/system/system.install

Migrate the menu items from the old menu system to the new menu_links table.

system_update_6022 in drupal-6.x/modules/system/system.install

Update files tables to associate files to a uid by default instead of a nid. Rename file_revisions to upload since it should only be used by the upload module used by upload to link files to nodes.

system_update_6023 in drupal-6.x/modules/system/system.install

system_update_6024 in drupal-6.x/modules/system/system.install

Add translation fields to nodes used by translation module.

system_update_6025 in drupal-6.x/modules/system/system.install

Increase the maximum length of node titles from 128 to 255.

system_update_6026 in drupal-6.x/modules/system/system.install

Display warning about new Update status module.

system_update_6027 in drupal-6.x/modules/system/system.install

Add block cache.

system_update_6028 in drupal-6.x/modules/system/system.install

Add the node load cache table.

system_update_6029 in drupal-6.x/modules/system/system.install

Enable the dblog module on sites that upgrade, since otherwise watchdog logging will stop unexpectedly.

system_update_6030 in drupal-6.x/modules/system/system.install

Add the tables required by actions.inc.

system_update_6031 in drupal-6.x/modules/system/system.install

Ensure that installer cannot be run again after updating from Drupal 5.x to 6.x Actually, this is already done by system_update_6014(), so this is now a no-op.

system_update_6032 in drupal-6.x/modules/system/system.install

profile_fields.name used to be nullable but is part of a unique key and so shouldn't be.

system_update_6033 in drupal-6.x/modules/system/system.install

Change node_comment_statistics to be not autoincrement.

system_update_6034 in drupal-6.x/modules/system/system.install

Rename permission "administer access control" to "administer permissions".

system_update_6035 in drupal-6.x/modules/system/system.install

Change index on system table for better performance.

system_update_6036 in drupal-6.x/modules/system/system.install

Change the search schema and indexing.

system_update_6037 in drupal-6.x/modules/system/system.install

Create consistent empty region for disabled blocks.

system_update_6038 in drupal-6.x/modules/system/system.install

Ensure that "Account" is not used as a Profile category.

system_update_6039 in drupal-6.x/modules/system/system.install

Rename permissions "edit foo content" to "edit any foo content". Also update poll module permission "create polls" to "create poll content".

system_update_6040 in drupal-6.x/modules/system/system.install

Add a weight column to the upload table.

system_update_6041 in drupal-6.x/modules/system/system.install

Change forum vocabulary not to be required by default and set the weight of the forum.module 1 higher than the taxonomy.module.

system_update_6042 in drupal-6.x/modules/system/system.install

Upgrade recolored theme stylesheets to new array structure.

system_update_6043 in drupal-6.x/modules/system/system.install

Update table indices to make them more rational and useful.

system_update_6044 in drupal-6.x/modules/system/system.install

RC1 to RC2 index cleanup.

system_update_6045 in drupal-6.x/modules/system/system.install

Update blog, book and locale module permissions.

system_update_6046 in drupal-6.x/modules/system/system.install

Ensure that the file_directory_path variable is set (using the old 5.x default, if necessary), so that the changed 6.x default won't break existing sites.

system_update_6047 in drupal-6.x/modules/system/system.install

Fix cache mode for blocks inserted in system_install() in fresh installs of previous RC.

system_update_6048 in drupal-6.x/modules/system/system.install

Increase the size of the 'load_functions' and 'to_arg_functions' fields in table 'menu_router'.

system_update_6049 in drupal-6.x/modules/system/system.install

Replace src index on the {url_alias} table with src, language.

system_update_6050 in drupal-6.x/modules/system/system.install

Clear any menu router blobs stored in the cache table.

system_update_6051 in drupal-6.x/modules/system/system.install

Create a signature_format column.

system_update_6052 in drupal-6.x/modules/system/system.install

Add a missing index on the {menu_router} table.

system_update_6053 in drupal-6.x/modules/system/system.install

Add a {system} index on type and name.

system_update_6054 in drupal-6.x/modules/system/system.install

Add semaphore table.

system_update_6055 in drupal-6.x/modules/system/system.install

Improve indexes on the {url_alias} table.

system_update_last_removed in drupal-6.x/modules/system/system.install

taxonomy_node_update_index in drupal-6.x/modules/taxonomy/taxonomy.module

Implementation of hook_nodeapi('update_index').

theme_update_page in drupal-6.x/includes/theme.maintenance.inc

Generate a themed update page.

theme_update_report in drupal-6.x/modules/update/update.report.inc

Theme project status report.

theme_update_version in drupal-6.x/modules/update/update.report.inc

Theme the version display of a project.

update_update_6000 in drupal-6.x/modules/update/update.install

Clear out stale variables from update_status.