From 9e664cf8b03f2488767ae7d0d523529b91402b45 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Tue, 7 Apr 2015 13:34:00 +0200
Subject: [PATCH] Fix not-null constraint violation inserting build step

DBIx::Class::Storage::DBI::_dbh_execute(): DBI Exception: DBD::Pg::st execute failed: ERROR:  null value in column "machine" violates not-null constraint
---
 src/script/hydra-build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/script/hydra-build b/src/script/hydra-build
index edde6e97..7013c3a4 100755
--- a/src/script/hydra-build
+++ b/src/script/hydra-build
@@ -210,7 +210,7 @@ sub doBuild {
                 my $now = time;
                 my $stepStartTime = $now;
                 my $stepStopTime = $now;
-                my $machine = undef;
+                my $machine = "";
                 txn_do($db, sub {
                     if ($buildSteps{$drvPathStep}) {
                         my $step = $build->buildsteps->find({stepnr => $buildSteps{$drvPathStep}}) or die;