Add namespace_id column to redirect_routes

The namespace_id will serve as the sharding key for the table. This
will be used to identify from which organization owns the resource.

Changelog: other

db/migrate/20250227054952_add_redirect_routes_namespace_id.rb

+# frozen_string_literal: true
+
+class AddRedirectRoutesNamespaceId < Gitlab::Database::Migration[2.2]
+  milestone '17.10'
+
+  def change
+    add_column :redirect_routes, :namespace_id, :bigint
+  end
+end

db/post_migrate/20250227091623_index_redirect_routes_on_namespace_id.rb

+# frozen_string_literal: true
+
+class IndexRedirectRoutesOnNamespaceId < Gitlab::Database::Migration[2.2]
+  disable_ddl_transaction!
+  milestone '17.10'
+
+  INDEX_NAME = 'index_redirect_routes_on_namespace_id'
+
+  def up
+    add_concurrent_index :redirect_routes, :namespace_id, name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :redirect_routes, INDEX_NAME
+  end
+end

db/post_migrate/20250227092023_add_redirect_routes_namespace_id_fk.rb

+# frozen_string_literal: true
+
+class AddRedirectRoutesNamespaceIdFk < Gitlab::Database::Migration[2.2]
+  milestone '17.10'
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :redirect_routes, :namespaces, column: :namespace_id, on_delete: :cascade
+  end
+
+  def down
+    remove_foreign_key :redirect_routes, column: :namespace_id
+  end
+end

db/schema_migrations/20250227054952

+a68b885e8301b924ce7d3ea673f5d2fec279b1972f44ca4a678e602011338163
\ No newline at end of file

db/schema_migrations/20250227091623

+4f9245487eea4d87519e7ca7eaa55010b9f05c853af66a1acfec32ad32396e84
\ No newline at end of file

db/schema_migrations/20250227092023

+0ce25e706c72362ff8dc8eb120c459f16ba2f8695ff313563be502b5a5561a9a
\ No newline at end of file

db/structure.sql

@@ -20628,7 +20628,8 @@ CREATE TABLE redirect_routes (
     source_type character varying NOT NULL,
     path character varying NOT NULL,
     created_at timestamp without time zone NOT NULL,
-    updated_at timestamp without time zone NOT NULL
+    updated_at timestamp without time zone NOT NULL,
+    namespace_id bigint
 );
 CREATE SEQUENCE redirect_routes_id_seq
@@ -34929,6 +34930,8 @@ CREATE INDEX index_raw_usage_data_on_organization_id ON raw_usage_data USING btr
 CREATE UNIQUE INDEX index_raw_usage_data_on_recorded_at ON raw_usage_data USING btree (recorded_at);
+CREATE INDEX index_redirect_routes_on_namespace_id ON redirect_routes USING btree (namespace_id);
+
 CREATE UNIQUE INDEX index_redirect_routes_on_path ON redirect_routes USING btree (path);
 CREATE UNIQUE INDEX index_redirect_routes_on_path_unique_text_pattern_ops ON redirect_routes USING btree (lower((path)::text) varchar_pattern_ops);
@@ -39084,6 +39087,9 @@ ALTER TABLE ONLY catalog_resource_versions
 ALTER TABLE ONLY merge_request_blocks
     ADD CONSTRAINT fk_1551efdd17 FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;
+ALTER TABLE ONLY redirect_routes
+    ADD CONSTRAINT fk_157ba4733c FOREIGN KEY (namespace_id) REFERENCES namespaces(id) ON DELETE CASCADE;
+
 ALTER TABLE ONLY scan_result_policies
     ADD CONSTRAINT fk_159e8f8f79 FOREIGN KEY (approval_policy_rule_id) REFERENCES approval_policy_rules(id) ON DELETE CASCADE NOT VALID;