backdrop-update-hook

```php /** * @file * Update hooks for mymodule. */ /** * Add new field to existing table. */ function mymodule_update_10001() { // Mirror of hook_install() schema change. db_add_field('mymodule_table', 'new_field', array( 'type' => 'varchar', 'length' => 255, 'not null' => FALSE, 'description' => 'New field added for feature X.', )); } /** * Set default config value for existing sites. */ function mymodule_update_10002() { // Mirror of hook_install() config default. config_set('mymodule.settings', 'default_value', 'example'); } /** * Add new permission to existing sites. */ function mymodule_update_10003() { // Mirror of hook_install() permission. user_role_grant_permissions(DRUPAL_AUTHENTICATED_RID, array('access mymodule feature')); } /** * Seed taxonomy terms on existing sites. */ function mymodule_update_10004() { // Mirror of hook_install() taxonomy seeding. $terms = array('Term 1', 'Term 2', 'Term 3'); foreach ($terms as $term_name) { $term = new stdClass(); $term->vid = 1; // Vocabulary ID. $term->name = $term_name; taxonomy_term_save($term); } } /** * Add menu link to existing sites. */ function mymodule_update_10005() { // Mirror of hook_install() menu link. $item = array( 'link_path' => 'mymodule/page', 'link_title' => 'My Module Page', 'menu_name' => 'main-menu', 'weight' => 0, ); menu_link_save($item); } /** * Change field type in existing table. */ function mymodule_update_10006() { // Mirror of hook_install() schema change. db_change_field('mymodule_table', 'old_field', 'old_field', array( 'type' => 'text', 'size' => 'big', 'not null' => FALSE, 'description' => 'Updated field type.', )); } /** * Create new table on existing sites. */ function mymodule_update_10007() { // Mirror of hook_install() table creation. $schema['mymodule_new_table'] = array( 'fields' => array( 'id' => array( 'type' => 'serial', ...

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