[Rt-commit] [rtir] 03/05: Remove an ORDER BY

Kevin Falcone falcone at bestpractical.com
Wed Jul 3 20:19:54 EDT 2013


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falcone pushed a commit to branch 2.9-trunk
in repository rtir.

commit 97bf8744ee79e1b76d1bd9f88825f707734c1399
Author: Kevin Falcone <falcone at bestpractical.com>
Date:   Tue Jul 2 20:49:20 2013 -0400

    Remove an ORDER BY
    
    We don't need an ordered set of ids for the Ticket update and removing
    it improves MySQL 5.5's UPDATE FROM SELECT performance.
---
 etc/upgrade/2.9.0/content | 1 +
 1 file changed, 1 insertion(+)

diff --git a/etc/upgrade/2.9.0/content b/etc/upgrade/2.9.0/content
index 3768a18..65e21a5 100644
--- a/etc/upgrade/2.9.0/content
+++ b/etc/upgrade/2.9.0/content
@@ -170,6 +170,7 @@ our @Final = (
                 $values->Limit( FIELD => 'Disabled', VALUE => 0 );
                 $values->Limit( FIELD => 'Content', VALUE => $state );
                 $values->Columns('ObjectId');
+                $values->OrderBy();
 
                 my $res = $RT::Handle->SimpleUpdateFromSelect(
                     'Tickets', { Status => $state }, $values->BuildSelectQuery

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