Build, set the views data cache if empty and return the views data.
array The views_data of all tables.
function _views_fetch_data_build() {
$cache = module_invoke_all('views_data');
foreach (module_implements('views_data_alter') as $module) {
$function = $module . '_views_data_alter';
$function($cache);
}
_views_data_process_entity_types($cache);
// Keep a record with all data.
views_cache_set('views_data', $cache, TRUE);
// Save data in seperate cache entries.
foreach ($cache as $key => $data) {
$cid = 'views_data:' . $key;
views_cache_set($cid, $data, TRUE);
}
return $cache;
}