Merge branch...

Merge branch 'determine-next-desired-sharding-key-feature-category-code_review_workflow' into 'master' 

Add next desired sharding keys for code_review_workflow

See merge request !148532



Merged-by: Tiger Watson <twatson@gitlab.com>
Approved-by: Kerri Miller <kerrizor@kerrizor.com>
Approved-by: Tiger Watson <twatson@gitlab.com>
Co-authored-by: Manoj M J <mmj@gitlab.com>

db/docs/merge_request_context_commit_diff_files.yml

@@ -8,3 +8,13 @@ description: Stores diffs data for merge request context commits
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/23701
 milestone: '12.8'
 gitlab_schema: gitlab_main_cell
+desired_sharding_key:
+  project_id:
+    references: projects
+    backfill_via:
+      parent:
+        foreign_key: merge_request_context_commit_id
+        table: merge_request_context_commits
+        sharding_key: project_id
+        belongs_to: merge_request_context_commit
+    awaiting_backfill_on_parent: true