update.inc

Drupal database update API.

This file contains functions to perform database updates for a Drupal installation. It is included and used extensively by update.php.

File

core/includes/update.inc

Functions

Name	Description
update_already_performed	Determines if a module update has already been performed.
update_build_dependency_graph	Constructs a graph which encodes the dependencies between module updates.
update_check_incompatibility	Tests the compatibility of a module or theme.
update_check_requirements	Checks update requirements and reports errors and (optionally) warnings.
update_do_one	Implements callback_batch_operation().
update_fix_compatibility	Disables any extensions that are incompatible with the current core version.
update_get_update_function_list	Returns an organized list of update functions for a set of modules.
update_get_update_list	Returns a list of all the pending database updates.
update_invoke_post_update	Executes a single hook_post_update_NAME().
update_is_missing	Determines if a module update is missing or unavailable.
update_language_list	Returns a list of languages set up on the site during upgrades.
update_replace_permissions	Replace permissions during update.
update_resolve_dependencies	Resolves dependencies in a set of module updates, and orders them correctly.
update_retrieve_dependencies	Invokes hook_update_dependencies() in all installed modules.
update_set_schema	Forces a module to a given schema version.
update_system_schema_requirements	Returns whether the minimum schema requirement has been satisfied.