From 66474586af58c4e505117f0fed7382831ec008b1 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@pobox.com>
Date: Fri, 17 Dec 2010 14:51:37 -0800
Subject: Update sorting for group inbox timelines; adds
 group_inbox_group_id_created_notice_id_idx index to group_inbox table

---
 classes/User_group.php | 11 +++--------
 db/096to097.sql        |  3 +++
 db/statusnet.sql       |  5 ++++-
 3 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/classes/User_group.php b/classes/User_group.php
index 60217e960..cffc78645 100644
--- a/classes/User_group.php
+++ b/classes/User_group.php
@@ -100,15 +100,10 @@ class User_group extends Memcached_DataObject
         $inbox->selectAdd();
         $inbox->selectAdd('notice_id');
 
-        if ($since_id != 0) {
-            $inbox->whereAdd('notice_id > ' . $since_id);
-        }
-
-        if ($max_id != 0) {
-            $inbox->whereAdd('notice_id <= ' . $max_id);
-        }
+        Notice::addWhereSinceId($inbox, $since_id, 'notice_id');
+        Notice::addWhereMaxId($inbox, $max_id, 'notice_id');
 
-        $inbox->orderBy('notice_id DESC');
+        $inbox->orderBy('created DESC, notice_id DESC');
 
         if (!is_null($offset)) {
             $inbox->limit($offset, $limit);
diff --git a/db/096to097.sql b/db/096to097.sql
index 4171e9589..c3f1fb425 100644
--- a/db/096to097.sql
+++ b/db/096to097.sql
@@ -8,3 +8,6 @@ alter table notice_tag add index notice_tag_tag_created_notice_id_idx (tag, crea
 
 -- Needed for sorting reply/mentions timelines
 alter table reply add index reply_profile_id_modified_notice_id_idx (profile_id, modified, notice_id);
+
+-- Needed for sorting group messages by timestamp
+alter table group_inbox add index group_inbox_group_id_created_notice_id_idx (group_id, created, notice_id);
diff --git a/db/statusnet.sql b/db/statusnet.sql
index dfc46f79e..5898abf46 100644
--- a/db/statusnet.sql
+++ b/db/statusnet.sql
@@ -480,7 +480,10 @@ create table group_inbox (
 
     constraint primary key (group_id, notice_id),
     index group_inbox_created_idx (created),
-    index group_inbox_notice_id_idx (notice_id)
+    index group_inbox_notice_id_idx (notice_id),
+
+    -- Needed for sorting group messages by timestamp
+    index group_inbox_group_id_created_notice_id_idx (group_id, created, notice_id)
 
 ) ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin;
 
-- 
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