Allowing cross db transactions and joins between clusterwide and main

Changelog: other

db/gitlab_schemas/gitlab_main_cell.yaml

@@ -3,10 +3,12 @@ description: Schema for all Cell-local tables, ex. namespaces, projects, etc.
 allow_cross_joins:
   - gitlab_shared
   - gitlab_main
+  - gitlab_main_clusterwide
 allow_cross_transactions:
   - gitlab_internal
   - gitlab_shared
   - gitlab_main
+  - gitlab_main_clusterwide
 allow_cross_foreign_keys:
   - gitlab_main
 cell_local: true

db/gitlab_schemas/gitlab_main_clusterwide.yaml

@@ -2,19 +2,13 @@ name: gitlab_main_clusterwide
 description: Schema for all Cluster-wide tables, ex. application_settings, etc.
 allow_cross_joins:
   - gitlab_shared
-  # temporarily allow cross-joins between clusterwide till all tables
-  # are moved to either _clusterwide or _cell
   - gitlab_main
+  - gitlab_main_cell
 allow_cross_transactions:
   - gitlab_internal
   - gitlab_shared
-  # temporarily allow cross-transaction between clusterwide till all tables
-  # are moved to either _clusterwide or _cell
   - gitlab_main
-  # Temporarily allow cross-transaction with cell
-  # until offenses for each table is resolved.
-  - gitlab_main_cell:
-      specific_tables: []
+  - gitlab_main_cell
 allow_cross_foreign_keys:
   # temporarily allow FKs between clusterwide till all tables
   # are moved to either _clusterwide or _cell