Eliminate N+1 queries referencing issues

To load issue 1, we see that in #38033 that about 835 ms of the SQL queries were due to loading ProjectFeature. We should be able to cut this down by eagerly loading this information. Closes #38033

Eliminate N+1 queries referencing issues
0a2f93aa · Stan Hu · f0b089cf · 0a2f93aa · 0a2f93aa
Commit 0a2f93aa authored Sep 18, 2017 by Stan Hu
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sh-project-feature-eager-load.yml changelogs/unreleased/sh-project-feature-eager-load.yml +5 -0

issue_parser.rb lib/banzai/reference_parser/issue_parser.rb +2 -1

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--- a/changelogs/unreleased/sh-project-feature-eager-load.yml
+++ b/changelogs/unreleased/sh-project-feature-eager-load.yml
+---
+title: Eliminate N+1 queries referencing issues
+merge_request:
+author:
+type: fixed
--- a/lib/banzai/reference_parser/issue_parser.rb
+++ b/lib/banzai/reference_parser/issue_parser.rb
@@ -34,7 +34,8 @@ module Banzai
                { namespace: :owner },
                { group: [:owners, :group_members] },
                :invited_groups,
-                :project_members
+                :project_members,
+                :project_feature
              ]
            }
          ),