Merge branch '493768-sharding-key-not-null-work_item_parent_links' into 'master'

Add NOT NULL for sharding key on work_item_parent_links

See merge request !177413



Merged-by: Michał Zając <mzajac@gitlab.com>
Approved-by: Shubham Kumar <shukumar@gitlab.com>
Approved-by: Michał Zając <mzajac@gitlab.com>
Co-authored-by: Shane Maglangit <smaglangit@gitlab.com>

db/post_migrate/20250124055844_add_work_item_parent_links_namespace_id_not_null_constraint.rb

+# frozen_string_literal: true
+
+class AddWorkItemParentLinksNamespaceIdNotNullConstraint < Gitlab::Database::Migration[2.2]
+  disable_ddl_transaction!
+  milestone '17.9'
+
+  def up
+    add_not_null_constraint :work_item_parent_links, :namespace_id, validate: false
+  end
+
+  def down
+    remove_not_null_constraint :work_item_parent_links, :namespace_id
+  end
+end

db/post_migrate/20250124055903_prepare_work_item_parent_links_namespace_id_not_null_validation.rb

+# frozen_string_literal: true
+
+class PrepareWorkItemParentLinksNamespaceIdNotNullValidation < Gitlab::Database::Migration[2.2]
+  disable_ddl_transaction!
+  milestone '17.9'
+
+  CONSTRAINT_NAME = :check_e9c0111985
+
+  def up
+    prepare_async_check_constraint_validation :work_item_parent_links, name: CONSTRAINT_NAME
+  end
+
+  def down
+    unprepare_async_check_constraint_validation :work_item_parent_links, name: CONSTRAINT_NAME
+  end
+end

db/schema_migrations/20250124055844

+38f97ea8b802cadc8a9229b28e873c3341b3fe541a2d9fba227cfacb59d86175
\ No newline at end of file

db/schema_migrations/20250124055903

+5f17ac64ac5efe1e338631f6e028ccfed095aeb916ebabd39fa7b2d299fb62f9
\ No newline at end of file

db/structure.sql

@@ -26594,6 +26594,9 @@ ALTER TABLE web_hook_logs
 ALTER TABLE vulnerability_finding_evidences
     ADD CONSTRAINT check_e8f37f70eb CHECK ((project_id IS NOT NULL)) NOT VALID;
+ALTER TABLE work_item_parent_links
+    ADD CONSTRAINT check_e9c0111985 CHECK ((namespace_id IS NOT NULL)) NOT VALID;
+
 ALTER TABLE project_relation_exports
     ADD CONSTRAINT check_f461e3537f CHECK ((project_id IS NOT NULL)) NOT VALID;