1 files changed, 41 insertions, 0 deletions
diff --git a/db/post_migrate/20230221125148_add_fk_to_p_ci_builds_metadata_partitions_on_partition_id_and_build_id.rb b/db/post_migrate/20230221125148_add_fk_to_p_ci_builds_metadata_partitions_on_partition_id_and_build_id.rb
new file mode 100644
index 00000000000..9df03f03d2b
--- /dev/null
+++ b/db/post_migrate/20230221125148_add_fk_to_p_ci_builds_metadata_partitions_on_partition_id_and_build_id.rb
@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+class AddFkToPCiBuildsMetadataPartitionsOnPartitionIdAndBuildId < Gitlab::Database::Migration[2.1]
+  disable_ddl_transaction!
+
+  SOURCE_TABLE_NAME = :p_ci_builds_metadata
+  TARGET_TABLE_NAME = :ci_builds
+  COLUMN = :build_id
+  TARGET_COLUMN = :id
+  FK_NAME = :fk_e20479742e_p
+  PARTITION_COLUMN = :partition_id
+
+  def up
+    Gitlab::Database::PostgresPartitionedTable.each_partition(SOURCE_TABLE_NAME) do |partition|
+      add_concurrent_foreign_key(
+        partition.identifier,
+        TARGET_TABLE_NAME,
+        column: [PARTITION_COLUMN, COLUMN],
+        target_column: [PARTITION_COLUMN, TARGET_COLUMN],
+        validate: false,
+        reverse_lock_order: true,
+        on_update: :cascade,
+        on_delete: :cascade,
+        name: FK_NAME
+      )
+    end
+  end
+
+  def down
+    Gitlab::Database::PostgresPartitionedTable.each_partition(SOURCE_TABLE_NAME) do |partition|
+      with_lock_retries do
+        remove_foreign_key_if_exists(
+          partition.identifier,
+          TARGET_TABLE_NAME,
+          name: FK_NAME,
+          reverse_lock_order: true
+        )
+      end
+    end
+  end
+end