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. |
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