From 7b7e85540afb9bc07e601b7865059562ca6a107d Mon Sep 17 00:00:00 2001
From: Jared Hancock <jared@osticket.com>
Date: Tue, 23 Jun 2015 11:50:55 -0500
Subject: [PATCH] Optimise thread load query
Thanks, @torohill
---
include/class.thread.php | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)
diff --git a/include/class.thread.php b/include/class.thread.php
index 46c018282..c13014848 100644
--- a/include/class.thread.php
+++ b/include/class.thread.php
@@ -39,18 +39,14 @@ class Thread {
$sql='SELECT ticket.ticket_id as id '
.' ,count(DISTINCT attach.attach_id) as attachments '
- .' ,count(DISTINCT message.id) as messages '
- .' ,count(DISTINCT response.id) as responses '
- .' ,count(DISTINCT note.id) as notes '
+ ." ,count(DISTINCT CASE WHEN thread.thread_type = 'M' THEN thread.id ELSE NULL END) as messages "
+ ." ,count(DISTINCT CASE WHEN thread.thread_type = 'R' THEN thread.id ELSE NULL END) as responses "
+ ." ,count(DISTINCT CASE WHEN thread.thread_type = 'N' THEN thread.id ELSE NULL END) as notes "
.' FROM '.TICKET_TABLE.' ticket '
.' LEFT JOIN '.TICKET_ATTACHMENT_TABLE.' attach ON ('
.'ticket.ticket_id=attach.ticket_id) '
- .' LEFT JOIN '.TICKET_THREAD_TABLE.' message ON ('
- ."ticket.ticket_id=message.ticket_id AND message.thread_type = 'M') "
- .' LEFT JOIN '.TICKET_THREAD_TABLE.' response ON ('
- ."ticket.ticket_id=response.ticket_id AND response.thread_type = 'R') "
- .' LEFT JOIN '.TICKET_THREAD_TABLE.' note ON ( '
- ."ticket.ticket_id=note.ticket_id AND note.thread_type = 'N') "
+ .' LEFT JOIN '.TICKET_THREAD_TABLE.' thread ON ('
+ .'ticket.ticket_id=thread.ticket_id) '
.' WHERE ticket.ticket_id='.db_input($this->getTicketId())
.' GROUP BY ticket.ticket_id';
--
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