Merge branch 'determine-sharding-key-feature-category-feature_flags' into 'master'

Add sharding keys for feature_flags

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/142506



Merged-by: Leonardo da Rosa <ldarosa@gitlab.com>
Approved-by: Hunter Stewart <hustewart@gitlab.com>
Co-authored-by: Dylan Griffith <dyl.griffith@gmail.com>

db/docs/operations_feature_flags.yml

@@ -7,4 +7,12 @@ feature_categories:
 description: TODO
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/7433
 milestone: '11.4'
-gitlab_schema: gitlab_main
+gitlab_schema: gitlab_main_cell
+allow_cross_joins:
+- gitlab_main_clusterwide
+allow_cross_transactions:
+- gitlab_main_clusterwide
+allow_cross_foreign_keys:
+- gitlab_main_clusterwide
+sharding_key:
+  project_id: projects

db/docs/operations_feature_flags_clients.yml

@@ -7,4 +7,12 @@ feature_categories:
 description: https://docs.gitlab.com/ee/operations/feature_flags.html
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/7433
 milestone: '11.4'
-gitlab_schema: gitlab_main
+gitlab_schema: gitlab_main_cell
+allow_cross_joins:
+- gitlab_main_clusterwide
+allow_cross_transactions:
+- gitlab_main_clusterwide
+allow_cross_foreign_keys:
+- gitlab_main_clusterwide
+sharding_key:
+  project_id: projects

db/docs/operations_user_lists.yml

@@ -7,4 +7,12 @@ feature_categories:
 description: https://docs.gitlab.com/ee/operations/feature_flags.html#user-list
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/28822
 milestone: '13.0'
-gitlab_schema: gitlab_main
+gitlab_schema: gitlab_main_cell
+allow_cross_joins:
+- gitlab_main_clusterwide
+allow_cross_transactions:
+- gitlab_main_clusterwide
+allow_cross_foreign_keys:
+- gitlab_main_clusterwide
+sharding_key:
+  project_id: projects