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
includes/update.incFunctions
| Name | Description |
|---|---|
| update_already_performed | Determines if a module update has already been performed. |
| update_batch | Starts the database update batch process. |
| 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_do_one | Implements callback_batch_operation(). |
| update_finished | Implements callback_batch_finished(). |
| update_fix_compatibility | Disable any items in the {system} table that are not core compatible. |
| update_fix_d7_block_deltas | A helper function that modules can use to assist with the transformation from numeric block deltas to string block deltas during the 6.x -> 7.x upgrade. |
| update_fix_d7_install_profile | Register the currently installed profile in the system table. |
| update_fix_d7_requirements | Perform Drupal 6.x to 7.x updates that are required for update.php to function properly. |
| update_get_d6_session_name | Constructs a session name compatible with a D6 environment. |
| 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_is_missing | Determines if a module update is missing or unavailable. |
| update_parse_db_url | Parse pre-Drupal 7 database connection URLs and return D7 compatible array. |
| update_prepare_d7_bootstrap | Performs extra steps required to bootstrap when using a Drupal 6 database. |
| 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. |
Constants
| Name | Description |
|---|---|
| REQUIRED_D6_SCHEMA_VERSION | Minimum schema version of Drupal 6 required for upgrade to Drupal 7. |
Classes
| Name | Description |
|---|---|
| DrupalUpdateException | @class Exception class used to throw error if a module update fails. |
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Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/includes!update.inc/7.x