--- /dev/null
+<?php
+/**
+ * Elgg 1.8.15 upgrade 2013051700
+ * add_missing_group_index
+ *
+ * Some Elgg sites are missing the groups_entity full text index on name and
+ * description. This checks if it exists and adds it if it does not.
+ */
+
+$db_prefix = elgg_get_config('dbprefix');
+
+$full_text_index_exists = false;
+$results = get_data("SHOW INDEX FROM {$db_prefix}groups_entity");
+if ($results) {
+ foreach ($results as $result) {
+ if ($result->Index_type === 'FULLTEXT') {
+ $full_text_index_exists = true;
+ }
+ }
+}
+
+if ($full_text_index_exists == false) {
+ $query = "ALTER TABLE {$db_prefix}groups_entity
+ ADD FULLTEXT name_2 (name, description)";
+ if (!update_data($query)) {
+ elgg_log("Failed to add full text index to groups_entity table", 'ERROR');
+ }
+}