CRM-18683 don't use non transaction-safe function to clear smart group cache.

Note that there is a function elsewhere that allows the code to use truncate where there is no transaction.

I have left that possibility for future consideration as there is some debate over whether truncate is faster on all sites

diff --git a/CRM/Contact/BAO/GroupContactCache.php b/CRM/Contact/BAO/GroupContactCache.php
index cdb781dcbfc311091bf4f48fa15dd801d837e668..dba6976fc1ecc971ea80d49a470e1726e5ade0aa 100644 (file)
--- a/CRM/Contact/BAO/GroupContactCache.php
+++ b/CRM/Contact/BAO/GroupContactCache.php
@@ -354,7 +354,7 @@ WHERE  id IN ( $groupIDs )
     if (!isset($groupID)) {
       if ($smartGroupCacheTimeout == 0) {
         $query = "
-TRUNCATE civicrm_group_contact_cache
+DELETE FROM civicrm_group_contact_cache
 ";
         $update = "
 UPDATE civicrm_group g