Bug 1022923 - Add index to bug_user_last_visit.last_visit_ts

Bugzilla/DB/Schema.pm

@@ -1729,7 +1729,8 @@ use constant ABSTRACT_SCHEMA => {
         ],
         INDEXES => [
             bug_user_last_visit_idx => {FIELDS => ['user_id', 'bug_id'],
-                                        TYPE => 'UNIQUE'}
+                                        TYPE => 'UNIQUE'},
+            bug_user_last_visit_last_visit_ts_idx => ['last_visit_ts'],
         ],
     },
 };

Bugzilla/Install/DB.pm

@@ -714,6 +714,11 @@ sub update_table_definitions {
     # 2013-08-26 sgreen@redhat.com - Bug 903895
     _fix_components_primary_key();
 
+    # 2014-06-09 dylan@mozilla.com - Bug 1022923
+    $dbh->bz_add_index('bug_user_last_visit',
+                       'bug_user_last_visit_last_visit_ts_idx',
+                       ['last_visit_ts']);
+
     ################################################################
     # New --TABLE-- changes should go *** A B O V E *** this point #
     ################################################################