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#183056 by JirkaRybka: improve locale cache handling performance 

- always prune the whole cache as string additions affect all languages
 - rebuild the language caches as needed, distributing this load among page requests
6.x
Gábor Hojtsy 2007-10-15 19:51:06 +00:00
parent 5915029580
commit 3a8f208b7a
2 changed files with 18 additions and 32 deletions
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10
includes/locale.inc
View File

@ -839,8 +839,8 @@ function locale_translate_edit_form_submit($form, &$form_state) {
drupal_set_message(t('The string has been saved.'));
// Refresh the locale cache.
locale_refresh_cache();
// Clear locale cache.
cache_clear_all('locale:', 'cache', TRUE);
$form_state['redirect'] = 'admin/build/translate/search';
return;
@ -864,7 +864,7 @@ function locale_translate_delete($lid) {
if ($langcode) {
_locale_rebuild_js($langcode);
}
locale_refresh_cache();
cache_clear_all('locale:', 'cache', TRUE);
drupal_set_message(t('The string has been removed.'));
drupal_goto('admin/build/translate/search');
}
@ -974,9 +974,9 @@ function _locale_import_po($file, $langcode, $mode, $group = NULL) {
drupal_set_message(t('The translation file %filename appears to have a missing or malformed header.', array('%filename' => $file->filename)), 'error');
}
// Rebuild locale cache.
// Clear cache and refresh JavaScript translations.
_locale_rebuild_js($langcode);
cache_clear_all("locale:$langcode", 'cache');
cache_clear_all('locale:', 'cache', TRUE);
// Rebuild the menu, strings may have changed.
menu_rebuild();

40
modules/locale/locale.module
View File

@ -321,13 +321,19 @@ function locale($string = NULL, $langcode = NULL) {
// perspective that is a really bad idea, so we have no user
// interface for this. Be careful when turning this option off!
if (variable_get('locale_cache_strings', 1) == 1) {
if (!($cache = cache_get('locale:'. $langcode, 'cache'))) {
locale_refresh_cache();
$cache = cache_get('locale:'. $langcode, 'cache');
}
if ($cache) {
if ($cache = cache_get('locale:'. $langcode, 'cache')) {
$locale_t[$langcode] = $cache->data;
}
else {
// Refresh database stored cache of translations for given language.
// We only store short strings used in current version, to improve
// performance and consume less memory.
$result = db_query("SELECT s.source, t.translation, t.language FROM {locales_source} s LEFT JOIN {locales_target} t ON s.lid = t.lid AND t.language = '%s' WHERE s.textgroup = 'default' AND s.version = '%s' AND LENGTH(s.source) < 75", $langcode, VERSION);
while ($data = db_fetch_object($result)) {
$locale_t[$langcode][$data->source] = (empty($data->translation) ? TRUE : $data->translation);
}
cache_set('locale:'. $langcode, $locale_t[$langcode]);
}
}
}
@ -346,7 +352,7 @@ function locale($string = NULL, $langcode = NULL) {
// and clear cache, to include the string into caching next time. Saved version is
// also a string-history information for later pruning of the tables.
db_query("UPDATE {locales_source} SET version = '%s' WHERE lid = %d LIMIT 1", VERSION, $translation->lid);
cache_clear_all('locale:'. $langcode, 'cache');
cache_clear_all('locale:', 'cache', TRUE);
}
}
else {
@ -354,33 +360,13 @@ function locale($string = NULL, $langcode = NULL) {
db_query("INSERT INTO {locales_source} (location, source, textgroup, version) VALUES ('%s', '%s', 'default', '%s')", request_uri(), $string, VERSION);
$locale_t[$langcode][$string] = TRUE;
// Clear locale cache so this string can be added in a later request.
cache_clear_all('locale:'. $langcode, 'cache');
cache_clear_all('locale:', 'cache', TRUE);
}
}
return ($locale_t[$langcode][$string] === TRUE ? $string : $locale_t[$langcode][$string]);
}
/**
* Refreshes database stored cache of translations.
*
* We only store short strings used in current version, to improve performance and consume less memory.
*/
function locale_refresh_cache() {
$languages = language_list('enabled');
$languages = $languages['1'];
unset($languages['en']);
foreach ($languages as $language) {
$result = db_query("SELECT s.source, t.translation, t.language FROM {locales_source} s LEFT JOIN {locales_target} t ON s.lid = t.lid AND t.language = '%s' WHERE s.textgroup = 'default' AND s.version = '%s' AND LENGTH(s.source) < 75", $language->language, VERSION);
$t = array();
while ($data = db_fetch_object($result)) {
$t[$data->source] = (empty($data->translation) ? TRUE : $data->translation);
}
cache_set('locale:'. $language->language, $t);
}
}
/**
* Returns plural form index for a specific number.
*