From aaacf9eda36f5cdcc77cec20d6f49fbb6f925105 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Mon, 16 Apr 2012 00:46:19 +0200
Subject: [PATCH] Speed up the listing of jobset evals by caching some info in
 the DB

This denormalises the database, but it's the best we can do until
PostgreSQL has materialised views.
---
 src/sql/upgrade-7.sql | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 src/sql/upgrade-7.sql

diff --git a/src/sql/upgrade-7.sql b/src/sql/upgrade-7.sql
new file mode 100644
index 00000000..419c8785
--- /dev/null
+++ b/src/sql/upgrade-7.sql
@@ -0,0 +1,7 @@
+alter table JobsetEvals
+    add column nrBuilds integer,
+    add column nrSucceeded integer;
+
+update JobsetEvals e set
+    nrBuilds = (select count(*) from JobsetEvalMembers m where e.id = m.eval)
+    where hasNewBuilds = 1;