Backport EE changes for productivity analytics

Improve diff lines count efficiency

1 files changed, 5 insertions, 1 deletions

diff --git a/app/models/merge_request_diff.rb b/app/models/merge_request_diff.rb
index 2402fa8e38f..4db2b7a74e5 100644
--- a/app/models/merge_request_diff.rb
+++ b/app/models/merge_request_diff.rb
@@ -197,7 +197,7 @@ class MergeRequestDiff < ApplicationRecord
 
   def lines_count
     strong_memoize(:lines_count) do
-      diffs.diff_files.sum(&:line_count)
+      raw_diffs(limits: false).line_count
     end
   end
 
@@ -222,6 +222,10 @@ class MergeRequestDiff < ApplicationRecord
     commits.last
   end
 
+  def last_commit
+    commits.first
+  end
+
   def base_commit
     return unless base_commit_sha