From 12edc4b8e2084b709e08253207b077422a6c85d8 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Fri, 12 Feb 2010 20:51:24 +0000
Subject: [PATCH] * Speed up the jobstatus query a little bit.

---
 src/lib/Hydra/Schema/Builds.pm | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/lib/Hydra/Schema/Builds.pm b/src/lib/Hydra/Schema/Builds.pm
index 552b8e8e..8fafa686 100644
--- a/src/lib/Hydra/Schema/Builds.pm
+++ b/src/lib/Hydra/Schema/Builds.pm
@@ -271,13 +271,16 @@ QUERY
             x.nixExprPath,
             b.id as statusChangeId, b.timestamp as statusChangeTime
           from
-            (select project, jobset, job, system, max(id) as id
+            (select  
+               (select max(id) from builds b
+                where 
+                  project = activeJobs.project and jobset = activeJobs.jobset 
+                  and job = activeJobs.job and system = activeJobs.system 
+                  and finished = 1
+               ) as id
              from $activeJobs as activeJobs
-             natural join Builds
-             where finished = 1
-             group by project, jobset, job, system)
-            as latest
-          natural join Builds x
+            ) as latest
+          join Builds x using (id)
           $joinWithStatusChange
 QUERY
     );