From b4ce69ed8d61d1495bbca071701f2b9ce34a81ab Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Fri, 19 Nov 2010 15:49:55 +0000
Subject: [PATCH] * Index the Builds table on drvPath to prevent a full table
 scan   in findBuildDependencyInQueue in hydra_queue_runner.

---
 src/sql/hydra.sql | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/sql/hydra.sql b/src/sql/hydra.sql
index ca934430..47987de0 100644
--- a/src/sql/hydra.sql
+++ b/src/sql/hydra.sql
@@ -526,6 +526,7 @@ create index IndexBuildsOnJobset on Builds(project, jobset);
 create index IndexBuildsOnProject on Builds(project);
 create index IndexBuildsOnTimestamp on Builds(timestamp);
 create index IndexBuildsOnJobFinishedId on builds(project, jobset, job, system, finished, id DESC);
+create index IndexBuildsOnDrvPath on Builds(drvPath);
 create index IndexCachedHgInputsOnHash on CachedHgInputs(uri, branch, sha256hash);
 create index IndexCachedGitInputsOnHash on CachedGitInputs(uri, branch, sha256hash);
 create index IndexCachedSubversionInputsOnUriRevision on CachedSubversionInputs(uri, revision);