From 1bdef6cf43c1c6bd8f58a2533468db09b098213c Mon Sep 17 00:00:00 2001
From: Matthew Somerville <matthew-github@dracos.co.uk>
Date: Tue, 15 Aug 2017 17:35:53 +0100
Subject: Store duplicate reverse lookups upon dupe setting.

This avoids the need to search the whole table to find a report's
duplicates. And is easier than constructing an index or upgrading
PostgreSQL.
---
 t/app/model/problem.t | 2 ++
 1 file changed, 2 insertions(+)

(limited to 't/app/model/problem.t')

diff --git a/t/app/model/problem.t b/t/app/model/problem.t
index 718b980b0..b0719d6a6 100644
--- a/t/app/model/problem.t
+++ b/t/app/model/problem.t
@@ -776,6 +776,8 @@ subtest 'check duplicate reports' => sub {
     $problem1->set_extra_metadata(duplicate_of => $problem2->id);
     $problem1->state('duplicate');
     $problem1->update;
+    $problem2->set_extra_metadata(duplicates => [ $problem1->id ]);
+    $problem2->update;
 
     is $problem1->duplicate_of->title, $problem2->title, 'problem1 returns correct problem from duplicate_of';
     is scalar @{ $problem2->duplicates }, 1, 'problem2 has correct number of duplicates';
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