function system_update_7054

Remove {cache_*}.headers columns.

Related topics

File

modules/system/system.install, line 2587

Code

function system_update_7054() {
    // Update: update_fix_d7_requirements() installs this version for cache_path
    // already, so we don't include it in this particular update. It should be
    // included in later updates though.
    $cache_tables = array(
        'cache' => 'Generic cache table for caching things not separated out into their own tables. Contributed modules may also use this to store cached items.',
        'cache_form' => 'Cache table for the form system to store recently built forms and their storage data, to be used in subsequent page requests.',
        'cache_page' => 'Cache table used to store compressed pages for anonymous users, if page caching is enabled.',
        'cache_menu' => 'Cache table for the menu system to store router information as well as generated link trees for various menu/page/user combinations.',
    );
    $schema = system_schema_cache_7054();
    foreach ($cache_tables as $table => $description) {
        $schema['description'] = $description;
        db_drop_table($table);
        db_create_table($table, $schema);
    }
}